| Patent Number |
Title Of Patent |
Date Issued |
| T954012 |
Transparent impact polystyrene plastics |
January 4, 1977 |
| butadiene and styrene (and like monomers) are copolymerized with modifiers to produce linear, randomized copolymers with a block styrene content of about 40 to 80 weight per cent and a bound styrene content of about 70 to 95 per cent. They are sufficiently free of block butadiene to be |
| T953011 |
Transparent impact polystyrene plastics of multiple block copolymers |
December 7, 1976 |
| A transparent copolymer of butadiene and styrene of the BSBS type is produced which contains 60 to 90 per cent of block styrene, or preferably 70 to 85 per cent of block styrene. The copolymer is suitable for use in the manufacture of packaging films and molded items, including egg c |
| RE40308 |
Multi-purpose injection and production well system |
May 13, 2008 |
| A method and apparatus for simultaneously producing fluid from one or more zones of an oil or gas well, while injecting fluid into one or more other zones of the well, and for converting a depleted production zone into an injection zone, by remotely shifting sleeves in the apparatus to |
| H1966 |
Integrated motor/gear pump |
June 5, 2001 |
| Pinion and ring gears intermeshed at one location within a pump chamber are rotationally supported therein by a cylindrical bearing portion of a housing sealingly enclosing said pump chamber between side plates of the housing within which stator windings are mounted in operative alignmen |
| D347168 |
Dispensing container |
May 24, 1994 |
|
| D346549 |
Dispensing container |
May 3, 1994 |
|
| D342444 |
Dispensing container |
December 21, 1993 |
|
| D342443 |
Dispensing container |
December 21, 1993 |
|
| D342442 |
Dispensing container |
December 21, 1993 |
|
| D267927 |
Dispensing container |
February 15, 1983 |
|
| 7367391 |
Liner anchor for expandable casing strings and method of use |
May 6, 2008 |
| Expandable casing has an expandable slip used for completion of a mono-diameter wellbore. The expandable casing is run through the upper casing and has an upper end that overlaps a lower end of the upper casing to form a fluid flow path between the expandable casing and the upper cas |
| 7322994 |
Anastomosis instrument and method |
January 29, 2008 |
| A surgical instrument for performing an anastomosis includes a housing having proximal and distal ends and a shaft extending from the distal end of the housing. The instrument also includes an actuator attached to the housing and a disposable loading unit configured for selective attachm |
| 7252261 |
Ultra-light pneumatic leaf expanding shaft |
August 7, 2007 |
| A generally cylindrical expansible shaft includes an outer profile, and a generally cylindrical inner body having a longitudinal axis and at least one first coupling element. At least two semi-circular leaf elements may be movably coupled to the first coupling element of the inner body b |
| 7193420 |
Insulated sleeve with conductive electrodes to reduce borehole effects for an induction tool |
March 20, 2007 |
| A well logging tool and method are disclosed comprising a conductive mandrel, an antenna array disposed around the conductive mandrel, wherein the antenna array comprises a plurality of antennas disposed on insulating supports and at least one contact spacer, the at least one contact |
| 7127046 |
Voice-activated call placement systems and methods |
October 24, 2006 |
| System and method for deriving call routing information utilizing a network control data base system and voice recognition for matching spoken word sound patterns to routing numbers needed to set up calls. Public access is provided to a common database via a common access number or c |
| 7081071 |
Weightlifting belt hook |
July 25, 2006 |
| A weightlifting belt hook to support additional weight during weight training. The apparatus is attached to the user's weightlifting belt via a hook and holds disk weights generally at the level of the thighs. A downwardly extending stabilizing member configured to extend over the pe |
| 7025747 |
Valve assembly including diameter reduction structure for trocar |
April 11, 2006 |
| A valve assembly and diameter reduction structure for trocar employing a movable diameter reduction structure. The diameter reduction structure is positioned in proximity to a first seal and includes a plurality of stand off members movable between a first position, a second position, an |
| 7023212 |
Insulated sleeve with conductive electrodes to reduce borehole effects for an induction tool |
April 4, 2006 |
| A well logging tool and method are disclosed comprising a conductive mandrel, an antenna array disposed around the conductive mandrel, wherein the antenna array comprises a plurality of antennas disposed on insulating supports and at least one contact spacer, the at least one contact |
| 6942671 |
Surgical sealing apparatus |
September 13, 2005 |
| A sealing apparatus includes a housing mountable to an elongate shaft having an axial lumen and defining a pathway therein a. A sealing member defines a cavity and has at least a portion thereof disposed within the housing. The sealing member is adapted to traverse the pathway of the |
| 6933726 |
Apparatus and methods for reducing borehole current effects |
August 23, 2005 |
| A well logging tool includes a conductive mandrel; an antenna array disposed around the conductive mandrel, wherein the antenna array comprises a plurality of antennas disposed on insulating supports and at least one contact spacer, the at least one contact spacer having at least one |
| 6776636 |
PBR with TEC bypass and wet disconnect/connect feature |
August 17, 2004 |
| A wet connect/disconnect arrangement is disclosed for a downhole system that allows installation of various tools and/or a string and subsequent electrical connection to the downhole system in a wet environment. Several embodiments are disclosed, all of which produce a clean, reliable |
| 6755253 |
Pressure control system for a wet connect/disconnect hydraulic control line connector |
June 29, 2004 |
| A pressure control system for a wet connect/disconnect hydraulic control line connector includes a reservoir and a piston in said reservoir. The reservoir contains hydraulic fluid or equivalent and the piston is biased by hydrostatic pressure or an atmospheric chamber and hydrostatic |
| 6726697 |
Anastomosis instrument and method |
April 27, 2004 |
| A surgical instrument for performing an anastomosis includes a housing having proximal and distal ends and a shaft extending from the distal end of the housing. The instrument also includes an actuator attached to the housing and a disposable loading unit configured for selective attachm |
| 6521000 |
Process for forming scrubbed stretch denim fabric |
February 18, 2003 |
| A woven fabric formed of dyed blended cotton/polyester warp yarns and polyester stretch fill yarns is finished by passing the fabric through a brusher and singer and then through a finishing pad box to apply the finish. Immediately after application of the finish to the yarns, the fa |
| 6481503 |
Multi-purpose injection and production well system |
November 19, 2002 |
| A method and apparatus for simultaneously producing fluid from one or more zones of an oil or gas well, while injecting fluid into one or more other zones of the well, and for converting a depleted production zone into an injection zone, by remotely shifting sleeves in the apparatus to |
| 6440146 |
Anastomosis instrument and method |
August 27, 2002 |
| A surgical instrument for performing an anastomosis includes a housing having a proximal end and a distal end; a shaft extending from the housing distal end; and a disposable loading unit configured and dimensioned to retain a plurality of surgical fasteners, the disposable loading unit |
| 6404876 |
System and method for voice activated dialing and routing under open access network control |
June 11, 2002 |
| System and method for deriving call routing information utilizing a network control data base system and voice recognition for matching spoken word sound patterns to routing numbers needed to set up calls. Public access is provided to a common database via a common access number or code. |
| 6391039 |
Anastomosis instrument and method |
May 21, 2002 |
| A surgical instrument for performing an anastomosis includes a housing having a proximal end and a distal end; a shaft extending from the housing distal end; and a disposable loading unit configured and dimensioned to retain a plurality of surgical fasteners, the disposable loading unit |
| 6246296 |
Pulse width modulator (PWM) with high duty cycle using bootstrap capacitor |
June 12, 2001 |
| A pulse width modulation (PWM) amplifier of the type including power transistors connected in totem-pole fashion and a bootstrap capacitor used to bias at least one of the power transistors into the conductive state. The improvement wherein the bootstrap capacitor is refreshed only to th |
| 6231030 |
Minimal topsoil disturbance log skidder |
May 15, 2001 |
| A two wheeled trailed vehicle intended to be towed by a conventional frontal hitch attachment to the rear of an all terrain vehicle (ATV) or other relatively lightweight four wheel drive vehicle has a fixed, rigid, rear vertical hoist supporting an electric winch operated lift cable run |
| 6142225 |
Selective mono bore diverter system |
November 7, 2000 |
| The invention provides a selective system of placing a guide stock into a wellbore by braided line, coil tubing or drill pipe. The device facilitates selective intervention by providing a selective orientation key an angular relationship to the lateral through a system of selective k |
| 6083234 |
Anastomosis instrument and method |
July 4, 2000 |
| A surgical instrument for performing an anastomosis includes a housing having a proximal end and a distal end; a shaft extending from the housing distal end; and a disposable loading unit configured and dimensioned to retain a plurality of surgical fasteners, the disposable loading unit |
| 6042601 |
Apparatus for vascular hole closure |
March 28, 2000 |
| An apparatus for facilitating wound closure of an opening in tissue includes a handle portion dimensioned to be gripped by the hand of a user, an elongate body portion connected to the handle portion and extending distally therefrom, a jaw mechanism including a stationary jaw affixed to |
| 5980493 |
Modular trocar system and methods and assembly |
November 9, 1999 |
| A modular trocar system which includes an obturator assembly, and a cannula assembly defining a longitudinal passageway therethrough configured and dimensioned to slidably receive the obturator assembly, the cannula assembly including a housing which includes a valve assembly and a first |
| 5895377 |
Valve system for cannula assembly |
April 20, 1999 |
| Valve assembly for sealed reception of an elongated object includes a valve body having at least one opening configured and dimensioned to permit entry of an elongated object and defining a central longitudinal axis, an elongated seal member formed of a resilient material and defining an |
| 5821659 |
Homopolar transformer for conversion of electrical energy |
October 13, 1998 |
| The DC voltage of electrical energy applied to a homopolar machine, is corted by transformer windings in response to rotor rotation within the magnetic field of the homopolar machine, to a different voltage level for supply to a load. |
| 5807338 |
Modular trocar system and methods of assembly |
September 15, 1998 |
| A modular trocar system is provided which includes an obturator assembly, and a cannula assembly defining a longitudinal passageway therethrough configured and dimensioned to slidably receive the obturator assembly, the cannula assembly including a housing which includes a valve assembly |
| 5669885 |
Trocar assembly with spring-loaded mechanism |
September 23, 1997 |
| A novel safety trocar assembly includes a cannula having a cannula housing with a cannula sleeve and an obturator assembly which includes (i) an obturator housing, (ii) an obturator sleeve connected to the obturator housing, (iii) an elongated obturator portion at least partially dispose |
| 5657963 |
Seal assembly for accommodating introduction of surgical instruments |
August 19, 1997 |
| A seal assembly is provided which includes a housing and resilient first seal member associated with the housing. The first seal member is preferably a gasket having an aperture formed therein for receiving surgical instrumentation adapted to cooperate with a dilating means having an |
| 5618309 |
Cannula assembly having conductive cannula |
April 8, 1997 |
| A conductive cannula assembly is disclosed to dissipate possible, accumulated electrical charges through body tissue. The cannula assembly includes cannula housing means and cannula means formed of a material having an electrical conductivity value which is at least fifty percent the |
| 5603702 |
Valve system for cannula assembly |
February 18, 1997 |
| Valve assembly for sealed reception of an elongated object includes a valve body having at least one opening configured and dimensioned to permit entry of an elongated object and defining a central longitudinal axis, an elongated seal member formed of a resilient material and defining an |
| 5569206 |
Trocar adapter seal |
October 29, 1996 |
| An adapter seal is provided which is adapted to be mounted to a cannula assembly. The adapter seal preferably defines a channel which is adapted to cooperate with walls extending upward from a cannula housing. In a second embodiment, a button is provided that may be repositioned such tha |
| 5492304 |
Seal assembly for accommodating introduction of surgical instruments |
February 20, 1996 |
| A seal assembly is provided which includes a housing and resilient first seal means associated with the housing. The first seal means is preferably a gasket having an aperture formed therein for receiving surgical instrumentation adapted to cooperate with a dilating means having an e |
| 5387196 |
Cannula assembly having conductive cannula |
February 7, 1995 |
| A conductive cannula assembly is disclosed to dissipate possible, accumulated electrical charges through body tissue. The cannula assembly includes cannula housing means and cannula means formed of a material having an electrical conductivity value which is at least fifty percent the |
| 5134705 |
System and method for concurrency simulation |
July 28, 1992 |
| A system and method which assumes that the process being evaluated is written in a highly concurrent language or at least is capable of high degree of concurrent operations. The parameters employed in the simulated concurrent performance have a direct affect on performance time. |
| 5125625 |
Quick vent closure assembly for pressurized water reactor |
June 30, 1992 |
| This invention pertains to a method and apparatus for venting pressure from within a pressurized housing. It incorporates a sealing assembly that is secured within a housing and restrained against a pressurized channel by a nut. By loosening the nut, restraint on the sealing assembly is |
| 5115382 |
Headlamp apparatus |
May 19, 1992 |
| A headlamp apparatus including an adjustable headband, a lamp assembly, and rechargeable batteries in a remote belt attachable battery housing. The headband includes adjustable circumferal and longitudinal band members, with both band members structured for a wide range of independent si |
| 4819726 |
Method for indicating the position of a cement wiper plug prior to its bottomhole arrival |
April 11, 1989 |
| A method and apparatus for indicating the position of a cement wiper plug in a wellbore during liner or casing cementing operations. The arrival of the cement wiper plug at a shearable, temporary restriction means in a pipe string is sensed by an increase in pipe string pressure at the |
| 4792709 |
Winding for operation of a three-phase stepping motor from a two-phase drive |
December 20, 1988 |
| A three-phase stepping motor having magnetically interacting stationary and moving members, the stationary member having first, second, and third sets of stator poles, each stator pole having thereon a coil for magnetic energization thereof. The coils on the first set of stator poles and |
| 4773115 |
Sewer cleaning device |
September 27, 1988 |
| Apparatus for removing obstructions from pipelines, such as sewers, comprises support means, motor means carried by the support means, cutter means adapted to be operated by the motor means, and means for locking the support means in a pipe, adjacent an obstruction whereby the apparatus |
