| Patent Number |
Title Of Patent |
Date Issued |
| RE33644 |
Ferromagnetic element with temperature regulation |
July 23, 1991 |
| A ferromagnetic element has current passed through it either by direct electrical connections or by induction. The current through the ferromagnetic element may be far greater than is necessary to heat the element above its effective Curie temperature. As the element is heated and is |
| D426524 |
Circuit board holder |
June 13, 2000 |
|
| D424588 |
Soldering and desoldering tool |
May 9, 2000 |
|
| D424077 |
Soldering and desoldering tool controller |
May 2, 2000 |
|
| D381880 |
Dual element heater |
August 5, 1997 |
|
| 6201930 |
Chip removal and replacement system |
March 13, 2001 |
| A chip removal and replacement system is designed for safely and easily removing or reattaching components from a printed circuit board. The system includes an automatic suction system for lifting a component which has been removed. A nozzle connection and replacement mechanism is pr |
| 5690847 |
Pivotal tweezer having gears and self-regulating curie-point heaters |
November 25, 1997 |
| A tweezer-like heater structure includes a pair of arms that can be pivoted towards one another and a pair of legs having ferromagnetic temperature self regulating Curie point heaters at the ends of the legs, the legs being removably connectable to electrical connectors located in the ar |
| 5481799 |
Process for producing a self-heating auto regulating connector |
January 9, 1996 |
| This invention relates to heat-recoverable devices that are self-heating and auto-regulating. The heat-recoverable articles of this invention comprise the combination of a heat-recoverable material and lossy heating particles, such as ferromanetic or ferrimagnetic particles, which produc |
| 5427846 |
System for producing heat in alternating magnetic fields |
June 27, 1995 |
| This invention provides a system for providing heating in an alternating magnetic field using lossy heat producing magnetic particles. This invention discloses a system comprising a combination of particles wherein the first particles are lossy heat producing particles, which have a |
| 5425731 |
Instrument for cutting, coagulating and ablating tissue |
June 20, 1995 |
| An instrument for cutting, ablating and coagulating tissue has a rod of ferromagnetic material fusion welded to the base of a conical tip of copper with the rod adjacent the base of the conic being of lesser diameter than the base to provide a region to accept a potted coil of wire a |
| 5406055 |
Apparatus for expanding/shrinking articles |
April 11, 1995 |
| An apparatus for producing a heat recoverable plastic article such as a tube by deforming the article from a heat-stable configuration to a heat-unstable configuration. The heat-unstable configuration will return to the heat-stable configuration when the article is heated to above the |
| 5388873 |
Coupling device useful for joining or capping plastic pipe |
February 14, 1995 |
| A coupling device for joining ends of pipes together or capping an end of a single pipe. The device includes a metal insert having serrations for engaging an inner surface of a plastic pipe, a deformable coupling member which overlies the pipe and a metal ring of smaller inner diameter t |
| 5345164 |
Power factor corrected DC power supply |
September 6, 1994 |
| An improved power factor DC power supply in accordance with the present invention (100 or 200) employs a power factor correcting network ( 120), a full-wave rectifier means (122), a pair of filter capacitors (124 and 126 ) , and three current steering diodes (128, 130 and 132). The power |
| 5338920 |
Method of manufacturing and joining electro-fusion fitting |
August 16, 1994 |
| An electro-fusion fitting includes a body, and a magnetic alloy member which is continuous in the axial direction is embedded in the vicinity of a joint surface of the body. A shield member is arranged on the outer surface of the body in a portion where a cold zone is to be formed. The |
| 5329085 |
Temperature self regulating heaters and soldering irons |
July 12, 1994 |
| A Curie point heater primarily for use in a soldering iron and initially designed to operate with currents in the megahertz range is restructured to operate in the kilohertz range. Further in one embodiment of the heater, the coil exciting the heater is mounted in the handle of the iron. |
| 5319173 |
Temperature auto-regulating, self-heating recoverable articles |
June 7, 1994 |
| This invention relates to heat-recoverable devices that are self-heating and auto-regulating. The heat-recoverable articles of this invention comprise the combination of a heat-recoverable material and lossy heating particles, such as ferromanetic or ferrimagnetic particles, which produc |
| 5315215 |
High-voltage switching circuit |
May 24, 1994 |
| A pair of transistors (110 and 112) configured with their channels connected in series. The gate of the "upper" transistor (110) is coupled to a relatively low-voltage, DC power supply voltage by a voltage-clamping and current-steering diode (144); to a relatively high-voltage, DC power |
| 5315214 |
Dimmable high power factor high-efficiency electronic ballast controller integrated circuit with |
May 24, 1994 |
| An embodiment of the present invention is a dimmable, high power factor, high efficiency electronic ballast comprising, on a single integrated circuit chip, a shunt regulator, a voltage reference, a high-temperature shutdown, an undervoltage lockout, a timer for start-up and restarting, |
| 5300750 |
Thermal induction heater |
April 5, 1994 |
| A heater employs a ferromagnetic or like material heated by a varying magnetic field to heat the ferromagnetic material wherein the ferromagnetic material has a large cross-section comprised of many members of small cross-section insulated from one another and wherein for medical app |
| 5231267 |
Method for producing heat-recoverable articles and apparatus for expanding/shrinking articles |
July 27, 1993 |
| A method of producing a heat recoverable plastic article such as a tube by deforming the article from a heat-stable configuration to a heat-unstable configuration. The heat-unstable configuration will return to the heat-stable configuration when the article is heated to above the heat |
| 5227596 |
Self regulating connecting device containing fusible material |
July 13, 1993 |
| In accordance with the present invention, a heater element which includes a layer of ferromagnetic material is included in a connecting device along with a fusible material such as a solder preform. The connecting device includes, for example, a hollow sleeve formed of heat shrinkable ma |
| 5223689 |
Profiles to insure proper heating function |
June 29, 1993 |
| A peak power measurement as a function of various system parameters is made to determine completion of a proper heating operation; in one embodiment by measuring peak power delivered to a level as a function of temperature within a specified time period for a specific load; and in anothe |
| 5208443 |
Temperature auto-regulating, self-heating recoverable articles |
May 4, 1993 |
| This invention relates to heat-recoverable devices that are self-heating and auto-regulating. The heat-recoverable articles of this invention comprise the combination of a heat-recoverable material and lossy heating particles, such as ferromanetic or ferrimagnetic particles, which produc |
| 5194708 |
Transverse electric heater |
March 16, 1993 |
| A temperature self-regulating heater has a thin first layer of high magnetic permeability, a second layer of electrially conductive non-magnetic material forming a substrate and a heat conductive dielectric disposed between the layers. A varying (preferably r.f.) magnetic field is im |
| 5189271 |
Temperature self-regulating induction apparatus |
February 23, 1993 |
| A heat shrinkable sleeve or the like is heated by a ferromagnetic member which in turn is heated by a varying magnetic field, the ferromagnetic having a Curie temperature above the shrink temperature of the sleeve whereby when the sleeve is heated to its shrink temperature it tightly |
| 5182427 |
Self-regulating heater utilizing ferrite-type body |
January 26, 1993 |
| A self-regulating heater is provided by placing ferrite-type body member, which is highly lossy when exposed to a high frequency magnetic field and has a predetermined Curie temperature, on or around a central conductor which is connected or is adapted to be connected to a power source w |
| 5175409 |
Self-soldering flexible circuit connector |
December 29, 1992 |
| A flexible circuit which may be a strap or a board or the like has a plurality of conductors exposed on one surface in a predetermined array and a heater disposed on the opposed surface so as to heat the exposed conductors. The exposed conductors may have solder or the heat activated |
| 5167545 |
Connector containing fusible material and having intrinsic temperature control |
December 1, 1992 |
| An electrical connector including a member, a heater element comprising a coating of ferromagnetic material on the member and a fusible material. The fusible material is melted when the ferromagnetic material is heated inductively by an alternating magnetic field. The connector can be |
| 5163856 |
Multipin connector |
November 17, 1992 |
| A relatively flat, rectangular multipin connector has a terminal end to each pin adapted to receive the stripped end of a wire to be soldered thereto. Both surfaces of the pin may be arcuate in cross-section, one surface being concave and adapted to receive a wire to be soldered ther |
| 5143272 |
Desoldering device |
September 1, 1992 |
| A desoldering tool has a removable heater cartridge and a base unit having an assembly interior including a solder collection chamber and a removable vacuum source for developing a vacuum in and above the chamber and a removable porous solder retention pad located between the vacuum sour |
| 5134265 |
Rapid heating, uniform, highly efficient griddle |
July 28, 1992 |
| A basically commercially fast heat highly efficient griddle has interchangeable griddle plates including magnetically permeable materials having Curie temperatures which may be the same or different to provide different cooking temperatures, the plates being heated by induction coils |
| 5133710 |
Thermal seed for treatment of tumors |
July 28, 1992 |
| A heater (seed) and system for subjecting body tissue to closely controlled hyperthermia or higher temperatures includes a core of ferromagnetic material having a high resistivity or resistivity of a non-conductor enclosed with a bio-compatible non-magnetic conductive sheath and excited |
| 5128602 |
Parallel supply for multiple loads from a single power supply |
July 7, 1992 |
| A single constant voltage power supply concurrently supplies a plurality of independent loads each with an independently selectable constant current load without interaction between the loads (currents) by employing a plurality of parallel connected circuits of electrical lengths equal t |
| 5128504 |
Removable heating article for use in alternating magnetic field |
July 7, 1992 |
| This invention provides a system for providing heat to a substrate in an alternating magnetic field using lossy heating particles. This invention in particular discloses an article which is a combination of a base material and lossy heating particles capable of producing the desired heat |
| 5126521 |
System for producing heat in alternating magnetic fields |
June 30, 1992 |
| This invention provides a system for providing heating in an alternating magnetic field using lossy heat producing magnetic particles. This invention disclosed a system comprising a combination of particles wherein the first particles are lossy heat producing particles, which have a |
| 5125690 |
Pipe joining system and method |
June 30, 1992 |
| In a plastic pipe joining system a plastic sleeve is provided to extend on both sides beyond the region of contact or closest approach to one another of pipes to be joined with the sleeve being fused to both pipes, the sleeve heated to Curie temperature of high mu material excited by an |
| 5107095 |
Clam shell heater employing high permeability material |
April 21, 1992 |
| A connector which acts upon itself contains a fusible bonding material the connector forming a part of a temperature autoregulating electrical heater whereby upon application of a generally constant a.c. current to the heater, the temperature of the heater rises to and is maintained at |
| 5098319 |
Multipin connector |
March 24, 1992 |
| A relatively flat, rectangular multipin connector has a terminal end to each pin adapted to receive the stripped end of a wire to be soldered thereto. Both surfaces of the pin may be arcuate in cross-section, one surface being concave and adapted to receive a wire to be soldered ther |
| 5093545 |
Method, system and composition for soldering by induction heating |
March 3, 1992 |
| This invention provides a method for soldering using induction heating, which is accomplished by the use of lossy heating particles in or on the solder. The method of this invention provides direct heating of the solder itself through induction heating of the magnetic particles in an |
| 5087804 |
Self-regulating heater with integral induction coil and method of manufacture thereof |
February 11, 1992 |
| A self-regulating heater including a body of electrically non-conductive material, an induction coil embedded within the body, lossy heating particles dispersed within the body and connection terminals for supplying power to the induction coil. The lossy heating particles produce heat wh |
| 5087256 |
Thermal atherectomy device |
February 11, 1992 |
| A thermal atherectomy catheter has a tip of high magnetic permeability cylindrical stem with an enlarged head at one end and an enlarged collar at the other end, a coil of wire wrapped about the stem adjacent the head and removed from said collar, a sleeve of ferromagnetic material dispo |
| 5073625 |
Self-regulating porous heating device |
December 17, 1991 |
| A self-regulating porous heater regulates the temperature of fluid passing through it. This device includes at least one layer of a porous material which has a magnetic permeability inversely related to temperature over a given range. Due to conductor skin effects, changes in permeabilit |
| 5053595 |
Heat shrink sleeve with high mu material |
October 1, 1991 |
| A connector which acts upon itself contains a fusible bonding the connector forming a part of a temperature autoregulating electrical heater whereby upon application of a generally constant a.c. current to the heater, the temperature of the heater rises to and is maintained at slightly a |
| 5047025 |
Thermal atherectomy device |
September 10, 1991 |
| A catheter is provided with a heated temperature self regulating tip for insertion in an artery to ablate an atherosclerotic plaque obstruction particularly in coronary and peripheral arteries. The heater is located at the distal end of the catheter and has a winding of fine wire around |
| 5045666 |
Self-soldering flexible circuit connector |
September 3, 1991 |
| A flexible circuit which may be a strap or a board or the like has a plurality of conductors exposed on one surface in a predetermined array and a heater disposed on the opposed surface so as to heat the exposed conductors. The exposed conductors may have solder or the heat activated |
| 5040717 |
Solder delivery system |
August 20, 1991 |
| A solder delivery system including a carrier of compliant, dimensionally passive, high-temperature material, the carrier remaining generally dimensionally passive during heating and having a detent therein including fusible material, preferably in the form of a solder paste, positioned |
| 5025128 |
Rivet with integral heater |
June 18, 1991 |
| A blind rivet or bolt is rendered fluid tight by applying heat activated sealant to some or all of the surfaces of the rivet that contact surfaces of the structure into which the rivet is inserted. The sealant is activated by a temperature self regulating heater formed by applying fe |
| 5007574 |
Desoldering device |
April 16, 1991 |
| A desoldering tool has a removable cartridge and a base unit having an assembly interior including a solder collection chamber and a removable vacuum source for developing a vacuum in the bottom of the chamber under a removable porous solder retention pad, the cartridge having a temperat |
| 4987291 |
Heater straps |
January 22, 1991 |
| An elongated flexible heater strip is provided having a transmission line section and a heater section employing a high mu material to control temperature at the Curie temperature of the high mu material; the above elements and a return buss being confined in a conductive sheath having a |
| 4914267 |
Connector containing fusible material and having intrinsic temperature control |
April 3, 1990 |
| A connector (33) which acts upon itself contains a fusible bonding material (35,37) the connector (33) forming a part of a temperature autoregulating electrical heater whereby upon application of a generally constant a.c. current to the heater, the temperature of the heater rises to and |
