| Patent Number |
Title Of Patent |
Date Issued |
| D315801 |
Operating room light fixture |
March 26, 1991 |
|
| 7442820 |
Process for the preparation of platinum acetylacetonato complexes |
October 28, 2008 |
| Preparation of halogenide-free Platinum(II)acetylacetonate [Pt(acac).sub.2] Platinum(II) hexafluoroacetylacetonate [Pt(hfac).sub.2], Platinum(II) trifluoroacetylacetonate [Pt(tfac).sub.2] or Platinum(II)-alkylsubstituted acetylacetonates by the reaction of a halogen free platinum (IV |
| 7331498 |
Method for refining and homogeneously distributing alloying partners and for removing undesirabl |
February 19, 2008 |
| Method for refining and homogeneously distributing alloying partners and for removing undesired reaction products such as oxides and/or slag in or from soft solder during the production of fine solder powder, in which the solder alloy is melted in a high temperature-resistant plant and/o |
| 7309796 |
Process for the preparation of 1,2-diaminocyclohexane-platinum(II) complexes |
December 18, 2007 |
| A process for the preparation of diaminocyclohexane-platinum(II)-dicarboxylates has the following steps: B Conversion of K.sub.2PtX.sub.2 with 1,2-diaminocyclohexane (DACH) to (2): ##STR00001## C Conversion of (2) with too little quantity of silver salt Ag.sub.nA to (3): ##STR00002# |
| 7056126 |
Contact arrangement and use thereof |
June 6, 2006 |
| A contact body, especially for switching contacts, has a substrate and a contact layer. The substrate is formed as a wire and the contact layer is arranged directly on the wire. |
| 6089051 |
Warp-knit fabric of noble metal-containing wires, and method for the production thereof |
July 18, 2000 |
| Fine-mesh warp-knit fabrics of noble metal-containing wires with high specific surface areas, having good mechanical stability, are produced by warp-knitting noble metal-containing wires to form closed stitches, such that the warp-knit fabric has at least 14 stitches per inch, and such t |
| 5931867 |
Radially expandable support device |
August 3, 1999 |
| A radially expandable support structure for holding open lumina within a body, especially in a blood vessel, has a tube-shaped body with a wall surface extending between a first and a second end which is formed from elongate members connected to each other. The elongate members include a |
| 5883352 |
Welding process |
March 16, 1999 |
| Intermediate material in the form of a metal strip with a contact area is provided with a projection on the bottom surface of its core area, i.e., on the surface to be joined to a contact carrier strip of copper or a copper alloy. The bottom surface of the strip facing the contact carrie |
| 5766405 |
Apparatus for producing a laminated strip of a metal foil and a plastic film |
June 16, 1998 |
| A process and apparatus for producing a laminate containing a metal foil strip and a plastic film strip, in which the two strips have stamped structures repeated at regular intervals in the longitudinal direction of the strips and are disposed at contiguous points in the laminate, a |
| 5723027 |
Method for preparing a powder in a plasma arc and device for carrying out said method |
March 3, 1998 |
| A method for the continuous preparation of a powder by reacting at least two reagents in a plasma arc, in which a first and a second reagent are fed to the plasma arc, which is maintained by a voltage applied between a first and a second electrode. At least the first reagent is electrica |
| 5700418 |
Method of manufacture of components made of sintered indium-tin-oxide solid-solution crystals |
December 23, 1997 |
| A component made of sintered oxides of indium and tin and a method of manufacturing such a component. The mean size of the oxide particles is larger than 2 .mu.m. The empirical density of the component is more than 95% of theoretical. The component is characterized in that at least 97 |
| 5656110 |
Process and apparatus for producing a laminated strip of a metal foil and a plastic film |
August 12, 1997 |
| A process and apparatus for producing a laminate containing a metal foil strip and a plastic film strip, in which the two strips have stamped structures repeated at regular intervals in the longitudinal direction of the strips and are disposed at contiguous points in the laminate, a |
| 5549810 |
Bath for the electrodeposition of palladium-silver alloys |
August 27, 1996 |
| Aqueous ammoniacal baths containing polyamines and mercaptoalkane carboxylic acids and/or mercaptoalkane sulfonic acids for the electrodeposition of palladium-silver alloys are provided, which are particularly suited as electrical contacts. The baths have very good stability and perm |
| 5514261 |
Electroplating bath for the electrodeposition of silver-tin alloys |
May 7, 1996 |
| Silver-tin alloys can be deposited by the galvanic method from a cyanide-free bath which is prepared using silver as the nitrate or diammine complex, tin as the soluble tin(II) or tin(IV) compound and mercaptoalkane-carboxylic acids and -sulfonic acids, Uniform and adhering coatings |
| 5486721 |
Lead frame for integrated circuits |
January 23, 1996 |
| Lead frames completely surface-plated with palladium have a nickel-phosphorus or copper-tin layer between the base element, made for example of copper, and the palladium layer. Such lead frames exhibit good bondability and good solderability without tinning. |
| 5438175 |
Electric outlet element having double flash |
August 1, 1995 |
| A thin galvanically deposited gold-containing surface layer is backed by a support layer containing a palladium alloy and having a thickness between 0.05 .mu.m and 0.5 .mu.m. In a preferred embodiment the surface layer and the support layer have a combined thickness of less than 0.5 .mu. |
| 5421084 |
Manufacture of electrical contacts |
June 6, 1995 |
| To manufacture a starting material for electrical contacts, such as relay contacts, a contact sandwich in the form of a metal strip made of a material of good electrical conductivity is bonded to a contact support strip consisting essentially of copper by resistance welding. The bonding |
| 5372683 |
Method and apparatus for the electrolytic extraction of metals from a solution containing metal |
December 13, 1994 |
| For the electrolytic extraction of metal from a solution containing metal ions and situated in a first cell, metal is cathodically deposited by means of an anode on an electrically conductive endless band immersed partially into the solution, and is redissolved anodically in the elec |
| 5356674 |
Process for applying ceramic coatings using a plasma jet carrying a free form non-metallic eleme |
October 18, 1994 |
| Process for applying a coating of ceramic material on a substrate by plasma spraying. The material to be sprayed, which is incorporated in the plasma jet, includes a chemical compound one constituent of which is a non-metallic element from the group N, C, B or from main groups VI or VII |
| 5264156 |
Resistor composition for producing thick film resistors |
November 23, 1993 |
| A resistor composition comprising a pyrochlore-related oxide a glass frit and, anorthite as a finely-divided filler. The resistor composition exhibits high tolerance in respect to firing temperatures. Thick film resistors obtained therefrom by firing on, for example, aluminum oxide s |
| 5244601 |
Resistor composition and its use |
September 14, 1993 |
| Resistor composition to produce thick film resistors, preferably the resistor films in sensors for temperature measurement, includes glass frit and an oxide which is at least one of CaCu.sub.3 Ru.sub.4 O.sub.12 and LaCu.sub.3 Ru.sub.4 O.sub.12. |
| 5236033 |
Method for producing a body from a material susceptible to thermal cracking and casting mold for |
August 17, 1993 |
| Methods are known for producing a body from a material susceptible to thermal cracking, in particular from an alloy, by casting a melt of the material in a mold with thermally insulated side walls and a bottom of material with good thermal conducting properties and cooling the melt in |
| 5232891 |
Process for the manufacture of a gauze for a catalytic converter and a gauze for a catalytic con |
August 3, 1993 |
| Catalytic gauzes which have an enlarged surface can be manufactured from a wire made of 90Pt/10Rh, for example, by coating the wire with a base metal, thermally treating the wire under partial conversion of the 90Pt/10Rh into solid solutions with the base metal, dissolving the base m |
| 5129572 |
Process for the manufacture of a metallic composite wire |
July 14, 1992 |
| A rod made of a hard material is inserted into a pipe made of a relatively soft material, and a two-element arrangement having an intermediate size is obtained by hot-rolling and drawing. In these steps, the cross section is reduced by at least 50%. Subsequently, another pipe of the soft |
| 5128848 |
Operating light |
July 7, 1992 |
| Given is an operating light, with one or several spotlights, each with a light source, that is shielded by a counter reflector in the direction of radiation. The stream of light is focused by the counter reflector and a reflector onto an optical system closing off the housing in the dire |
| 5069824 |
Oxides of the pyrochlore family and electrically resistant materials that contain them |
December 3, 1991 |
| Electrically conductive oxides of the pyrochlore family based on copper and/or silver, lead, bismuth, and ruthenium, characterized by the formula M.sub.x M'.sub.y (Pb,Bi).sub.2-x-y Ru.sub.2 O.sub.7-z, wherein M=copper and/or silver, M'=calcium, strontium, and/or barium, 0.ltoreq.x.lt |
| 5052019 |
Pulse-generating sensor unit for remote sensing system |
September 24, 1991 |
| In a digital remote-sensing system, in which the time intervals between pulses are modulated according to the value of the parameter being measured, an overly sensitive sensing element 30 may generate a pulse outside of the desired "time window", which might then be misinterpreted. T |
| 5038261 |
Operating lamp with adjustable mounting |
August 6, 1991 |
| An operating-room light fixture features a cardanic mounting connected to an overhead beam or other stationary support by joints or linkages which rotate about horizontal and vertical axes. After setting of the optimal illumination zone into the operating plane, that zone's coordinates, |
| 4937714 |
Lighting system with halogen bulb |
June 26, 1990 |
| A lighting system, including a light source having a light bulb and a reflector, has an interference filter applied to a portion of the outer surface of the light bulb. The interference filter has a high transparency for visible light and a high reflectivity for infrared radiation. The a |
| 4937496 |
Xenon short arc discharge lamp |
June 26, 1990 |
| A xenon short arc discharge lamp has a lamp bulb (1) of quartz glass, into which two rod-shaped electrodes (4, 5) protrude, the spacing of which is shorter than the diameter of the shaft (8) of the cathode (5); the cathode (5) is provided with a conical, obtuse tip (9). By doping with a |
| 4924132 |
Temperature sensitive quartz oscillator crystal with temperature coefficient controlled in manuf |
May 8, 1990 |
| The principal surfaces of an oscillator quartz crystal body for a temperature sensor oscillator are plane, parallel and of substantially the same size and are oriented with respect to the usual x-y-z coordinate system of electric, mechanical and optic axes so that the angle .phi. of |
| 4923816 |
Gassing incubator |
May 8, 1990 |
| A gassing incubator for cultivating human or animal cells or tissues is known that has an inner case which can be closed by a door and is surrounded by a thermally insulating outer case. The outer case is spaced away from the side walls, back wall and roof of the inner case. Electrical |
| 4916643 |
System for remote sensing of a physical parameter |
April 10, 1990 |
| A temperature remote-measurement system features a central evaluation unit 10 for all measuring points connected to two conductors 12, 14, forming a main data bus. In the embodiment shown, three addressable bus switches 18-1, 18-2, and 18-3 are connected to the data bus. To each bus swit |
| 4910431 |
Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture |
March 20, 1990 |
| To protect the quartz of a quartz glass bulb (2) from attack by alkaline earth oxides emitted from electrodes (6) of the lamp, and prevent deterioration of the quartz in use of the lamp with respect to transmission of ultraviolet (UV) radiation, particularly in the short wave length |
| 4884008 |
Auto-adjustable operating room light |
November 28, 1989 |
| To provide for automatic adjustment of the light field of an operating room light in accordance with manual positioning of the light, an electrical servo control loop positions the respective lamps and/or deflection mirrors of circularly placed light sources (2) in the housing (1) to |
| 4880988 |
Light and weathering testing apparatus |
November 14, 1989 |
| To simplify separation of infrared (IR) radiation from visible and ultraviolet (UV) radiation emitted from a xenon lamp (2), the lamp is surrounded by a cylindrical filter (1) reflecting IR radiation inwardly of the filter but passing UV and visible spectral radiation therethrough. IR |
| 4876868 |
Method for forming an object of metal by cold pressing |
October 31, 1989 |
| A method for forming in a single step metal slugs of tantalum, niobium or a base alloy of one of these metals, by cold pressing. A lubricant film is either an oxide coating on the metal, into which a polytetrafluorethylene of low molecular weight is embedded, or it is a film of chlor |
| 4874252 |
Electronic thermometer |
October 17, 1989 |
| An electronic thermometer has an oscillator, the frequency determining element of which is a temperature sensitive piezoelectric element (2), used as a measuring sensor, which is located inside a sealed housing (3). The piezoelectric element is provided with two termial electrodes (4, 5) |
| 4872179 |
Laser apparatus with a multipass resonator |
October 3, 1989 |
| A laser device includes a multipass resonator which has, in the beam path between two resonator end mirrors, at least two opposite beam folding mirrors with confronting mirror surfaces. At least one of the beam folding mirrors is limited in its width and at least one has a beam discharge |
| 4861168 |
Electronic thermometer |
August 29, 1989 |
| An electronic thermometer has an oscillator, the frequency determining element of which is a temperature sensitive piezoelectric element, used as a measuring sensor, which is located in a sealed housing of electrically insulating material. The piezoelectric element is provided with two |
| 4848923 |
Method and system to transmit signals being generated by a measuring sensor, and specifically a |
July 18, 1989 |
| Temperature measurement is effectively carried out by converting pulses derived from a pulse generator, in which the pulse gaps change as a result of a measured condition, for example temperature, by converting electrical pulses received from the pulse generator into light pulses, and th |
| 4844746 |
Method of producing a tantalum stock material of high ductility |
July 4, 1989 |
| A method is described for the production of a ductile tantalum stock material for high-speed deformation use. A bar-shaped body is made from directly reduced tantalum powder of a given purity and is remelted repeatedly as a consumable electrode in an electron beam furnace. The obtain |
| 4836071 |
Modular punch apparatus for punching complex shapes from a metal ribbon or tape |
June 6, 1989 |
| To permit high-speed punching of complex shapes in extremely thin metal strips or ribbons, particularly for miniaturized semiconductor terminal elements, while using standardizing modular punch press components sush as a die, a stripper element and a punch carrier, with minimum longitudi |
| 4830668 |
Acidic bath for electroless deposition of gold films |
May 16, 1989 |
| In an aqueous bath for electroless deposition of gold films, of the type containing a source of gold in oxidized form, a reducing agent, a stabilizer of 2-mercaptobenzothiazole or a derivative thereof, the improvement comprising said source of gold being a gold complex which is the r |
| 4818626 |
Method for producing sintered metalized aluminum nitride ceramic bodies |
April 4, 1989 |
| To permit using a single firing step, sintered aluminum nitride ceramic bodies provided with firmly adhering electrically conductive films or resistive layers can be produced by sintering of the green ceramic bodies and the films or layers in common, if these films or layers additionally |
| 4812613 |
Beam guiding optical system for laser radiation |
March 14, 1989 |
| A beam guiding optical system for laser radiation, especially for the radiation of a medical laser, for the continuous adjustment of focal length is described, which is distinguished by the fact that aberrations are largely prevented. The beam guiding optical system preferably has a |
| 4778537 |
Method of making a thermocouple and so-made thermocouple |
October 18, 1988 |
| To make a jacketed thermoelement, two metal wires, one of which is pure platinum, preferably of at least 99.9, and even higher purity, and the other being a platinum/rhodium alloy are included in a ceramic element. The wires are first threaded into capillary openings of a cylindrical |
| 4778202 |
Tubular component made out of quartz glass with a flange |
October 18, 1988 |
| Tubular components made out of quartz glass or fused quartz, such as tubes, bells, hoods, or pans, with a flange fused or welded onto them are known. To improve cooling such a tubular component, especially the sealing surfaces of the flange, heat conduction and heat radiation in the vici |
| 4765874 |
Laminated electrode the use thereof |
August 23, 1988 |
| Laminated electrodes and a method for their preparation are described, these electrodes being composed of electrically conductive plastic having catalytic particles, composed of a catalyst deposited on supporting particles, pressed partially into the plastic. They can be used as oxygen |
| 4759710 |
Apparatus for melting a solder by vapor-phase treatment |
July 26, 1988 |
| Apparatus for melting by vapor-phase treatment a solder applied to an object. The liquid serving for vapor production, which is situated in a vessel, is heated by electrical heating means which are disposed exclusively outside of the vessel and are completely enveloped by a liquid he |
