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| Number | Title | Issue Date |
| 8061380 | Automatic flow shut-off system A tripper unit for actuating a device (e.g. valve-closing actuator) upon contact with water. Basically, the tripper unit is comprised of a housing having a replaceable cartridge therein which, in turn, is wrapped with an adsorbent paper which prevents a plunger from... | 11/22/2011 |
| 7967291 | Detent to prevent jamming of a document sorting machine A document sorting machine having at least one pocket for stacking documents according to a common criteria. Each pocket has a gate for diverting the document from the transport of the machine and into the designated pocket. The pocket also has a kicker for moving t... | 06/28/2011 |
| 7820923 | Method and apparatus for weighing moving articles A weigh-on-the-fly WOF module for weighing a mail piece as it is being sorted by a mail sort machine. The piece is delivered to entry pinch rollers in the WOF module which, in turn, deliver the piece into pinch at an acceleration roller. The thickness of the piece i... | 10/26/2010 |
| 7562673 | Automatic flow shut-off system An automatic system which includes a tripper unit for actuating a device (e.g. valve-closing actuator) upon contact with water. Basically, the tripper unit is comprised of a housing having a cartridge therein which prevents a plunger from moving downward. When a lea... | 07/21/2009 |
| 7424896 | Automatic flow shut-off system An automatic system which includes a tripper unit for actuating a device (e.g. valve-closing actuator) upon contact with water. Basically, the tripper unit is comprised of a housing having a cartridge therein which, in turn, is wrapped with an adsorbent paper which ... | 09/16/2008 |
| 7087653 | Modification of a methanol plant for converting natural gas to liquid hydrocarbons A gas-to-liquid (GTL) process and system for converting a natural gas) into liquid hydrocarbons (e.g. diesel, naphtha, distillates, etc.) wherein the equipment subsystems from existing gas-to-methanol plants are re-utilized in the (GTL) process. The syngas generator... | 08/08/2006 |
| 6776349 | Damper for controlling air flow through a passage A damper for allowing some degree of air flow (winter ventilation) through a roof mounted, conduit to aid in preventing the growth of black mold in an attic while aiding in heat retention during colder periods of the year. The low profile damper is comprised of a ho... | 08/17/2004 |
| 6732881 | Liquefied gas storage tank A large, box-like polygonal tank for storing liquefied gas on land or on ground based structures (GBS) and a method of constructing the tank. The tank is comprised of an internal, truss-braced, rigid frame, having a cover on the frame for containing the stored liqui... | 05/11/2004 |
| 6588506 | Method and apparatus for gravel packing a well A well screen and method for gravel packing a wellbore interval wherein a low-viscosity slurry can be used to distribute the gravel. A well screen having a plurality of spaced intermediate manifolds is lowered into the interval and slurry is pumped down t... | 07/08/2003 |
| 6564865 | Oil and gas production with downhole separation and reinjection of gas A system for producing a mixed gas-oil stream which contains solid particulates wherein gas is to be separated and compressed downhole in a turbine-driven compressor before the gas is injected into a subterranean formation. The stream is passed through an... | 05/20/2003 |
| 6494258 | Downhole gas-liquid separator for production wells A method and system for producing a mixed gas-oil stream wherein at least a portion of the gas is separated downhole by an auger separator which is comprised of an upstream and a downstream section. As the mixed stream flows through a converging passagewa... | 12/17/2002 |
| 6450736 | Movable supports for pipelines A pipeline supported by a plurality of spaced, movable supports. The supports are not anchored but are movable with respect to the surface of the earth (e.g. tundra) thereby allowing the pipeline to move in response to temperature/pressure changes in said... | 09/17/2002 |
| 6318717 | Singulator for document feeder A singulator for feeding documents one at a time onto the transport of a processing machine. The singulator includes a pick-off means and a stripper means for preventing multi-feeds of documents. The stripper means is comprised of two independent stripper... | 11/20/2001 |
| 6318480 | Drilling of laterals from a wellbore A method and apparatus for drilling a lateral from a primary wellbore having a short radius-of-curvature. The lateral is drilled by a downhole drilling unit which differs from prior art units of this type in that instead of connecting the drill bit direct... | 11/20/2001 |
| 6283204 | Oil and gas production with downhole separation and reinjection of gas A system for producing a mixed gas-oil stream which contains solid particulates wherein gas is to be separated and compressed downhole in a turbine-driven compressor before the gas is injected into a subterranean formation. The stream is passed through a ... | 09/04/2001 |
| 6260619 | Oil and gas production with downhole separation and compression of gas A method and system for producing a mixed gas-oil stream through a tubing wherein at least a portion of the gas is separated from the stream and flowed through a restriction in the tubing to cool the separated gas and reduce its pressure to thereby retain... | 07/17/2001 |
| 6257331 | Downhole setting tool A downhole assembly for setting a well tool (e.g. packer) comprising a setting tool which has a draw rod made in two portions which are slidably connected to allow relative movement therebetween. The upper portion is releasably latched to the well tool wh... | 07/10/2001 |
| 6216786 | Method for forming a fracture in a viscous oil, subterranean formation A method for forming a fracture in a viscous oil subterranean formation wherein a data-fracturing operation is carried out to first determine the "leak-off" rate for the formation and then the formation is fractured with a slurry wherein the liquid from t... | 04/17/2001 |
| 6176248 | Submerged hydraulic value actuator with leak protection A submerged, valve assembly for controlling flow of fluid (e.g. ballast water) to and from a reservoir (e.g. a ballast tank of a ship. The valve assembly is comprised of a valve which is controlled by a hydraulic valve actuator. A fluid-tight housing encl... | 01/23/2001 |
| 6089832 | Through-tubing, retrievable downhole pump system A downhole pump system which allows the pump unit to be retrieved and re-installed through the production tubing while leaving the tubing, electrical cable, and the remainder of the components of the pump system in place. Preferably, the pump unit is run ... | 07/18/2000 |
| 6073696 | Method and assembly for treating and producing a welbore using dual tubing strings A method and assembly for treating a portion (e.g. horizontal) of a wellbore for removing solids and for producing fluids therefrom. The assembly is comprised of dual flowpaths (e.g. tubing strings) extend from the surface into the portion of the wellbore... | 06/13/2000 |
| 6062308 | Well header for use in frigid environments A header capable of fluidly connecting a plurality of spaced terminals (e.g. wellheads} to a centralized location in a frigid environment while eliminating or substantially alleviating freezing within the header. The flowpath through the header is such th... | 05/16/2000 |
| 6039116 | Oil and gas production with periodic gas injection A method and apparatus for operating a well which has a wellbore which passes into both an oil and gas production zone and a gas injection zone. An oil and gas stream is produced from the production zone through the wellbore to the surface where gas is se... | 03/21/2000 |
| 6009940 | Production in frigid environments A method and apparatus for producing (e.g. heavy oil) through a wellbore which passes through a permafrost layer. To maintain an acceptable flow temperature inside the production tubing, a heating element (e.g. electrical power cable having its leads shor... | 01/04/2000 |
| 5947200 | Method for fracturing different zones from a single wellbore A method for fracturing a plurality of different subterranean production zones which are spaced along a wellbore wherein flow is established into a first or lower zone while a removable sleeve blocks flow into the other upper zones. The first zone is frac... | 09/07/1999 |
| 5944101 | Apparatus for milling a window in well tubular An apparatus for milling a window in a well tubular, e.g. a well casing, which is comprised of a whipstock and a cooperating mill. The mill has a nose portion depending from the bottom thereof and has cutting surfaces on both the bottom and the sides. The... | 08/31/1999 |
| 5926024 | System and method for measuring fluid properties by forming a coaxial transmission line in a cased well Apparatus for insertion in a well which is producing fluids from multiple zones for measuring the concentration of water in the fluids flowing through the well to determine which zone may be producing excessive quantities of water. The apparatus transmits... | 07/20/1999 |
| 5869325 | Use of bacteria to break gels used in well treatment fluids A method for carrying out a well treatment in a well (e.g. fracturing, sand control, etc.) wherein a high-viscosity treatment fluid containing a gel (e.g. a polymeric gelling agent) is flowed down the well along with a bacteria selected from the generic c... | 02/09/1999 |
| 5865392 | Coiled-tubing reel having a mechanical restraint A coiled-tubing system having a reel onto which steel tubing is wound in layered coils. A layon roller comprised of a compliant material is maintained in physical contact with the tubing on the reel to prevent premature unwinding of the tubing during oper... | 02/02/1999 |
| 5865249 | Method and apparatus for washing a horizontal wellbore with coiled tubing A method and apparatus for removing solids from a substantially horizontal section of a wellbore which allows the use of coiled tubing as a workstring without requiring the removal of the production tubing from the wellbore. Guide tubing, which is left in... | 02/02/1999 |
| 5783741 | Capillary furnace for improved peak resolution in gas isotope chromatography An isotope ratio monitoring gas chromatograph-mass spectrometer (irm-GC/MS) unit for generating a chromatogram having improved resolution for peaks representative of individual carbon dioxide isotopes measured when a complex GC amenable organic sample (e.... | 07/21/1998 |
| 5769955 | Portable system for launching/catching pipeline pigs A portable launcher/receiver which allows the high capital costs of pigging facilities to be distributed over a plurality of sites. The launcher is transported to the site on a mobile trailer to a docking station where it is aligned with and is releasably... | 06/23/1998 |
| 5755840 | Method for providing oxygen in gas process A process for providing oxygen to a feed gas wherein the oxygen is first absorbed from an oxygen-containing gas (e.g. air) and then desorbed into the feed gas (e.g. natural gas). The oxygen is adsorbed from air by passing the air in contact with an oxygen... | 05/26/1998 |
| 5746582 | Through-tubing, retrievable downhole submersible electrical pump and method of using same A method and a pumping system for lifting formation fluids from a production zone in a wellbore which allows the pump unit to be retrieved through the production tubing while leaving the tubing, electrical cable, and the remainder of the components of the... | 05/05/1998 |
| 5669332 | Portable chute for immobolizing an animal A portable chute for immobilizing an animal (e.g. a dairy cow) which has a front gate, a rear gate, and a stanchion for immobilizing the animal, all of which are operable by a single operator from a single location at the rear of the chute. The chute is p... | 09/23/1997 |
| 5658134 | Compressor with suction valve in piston A compressor which provides for minimum clearance in the compression chamber while substantially reducing the heat normally experienced by the piston during the compression stroke of a compressor of this type. The suction valve(s) of the compressor is con... | 08/19/1997 |
| 5642737 | Device for alleviating snoring An anti-snore device for alleviating snoring which includes an upper member and a lower member which can be molded to fit over a wearer's dental contours (i.e. upper and lower teeth) similarly as do athletic mouthguards. A simple latching means comprised ... | 07/01/1997 |
| 5622486 | Radially-valve compressor with adjustable clearance A radially-valved compressor wherein the fixed clearance of the compressor can be quickly and easily adjusted by adjusting the position of the suction and/or discharge valves in relation to their respective compression chambers. The valves are slidably po... | 04/22/1997 |
| 5609241 | Training idler assembly for a conveyor system A training idler assembly for use with a conveyor belt which quickly responses to mis-tracking of the belt to thereby return the belt to its centered position. The idler roller is rigged through cables to hinged guide rollers which engage either side of t... | 03/11/1997 |
| 5607015 | Method and apparatus for installing acoustic sensors in a wellbore A method and apparatus for installing an array of sensors in a wellbore wherein the sensors are incorporated into the lower end of a transmission cable which, in turn, is used to lower the array into the wellbore. A load-bearing cable is simultaneously ru... | 03/04/1997 |
