US2667932A
(en)
*
|
1948-02-17 |
1954-02-02 |
Jr Albert G Bodine |
Sonic system for augmenting the extraction of oil from oil bearing strata
|
US2551434A
(en)
|
1949-04-05 |
1951-05-01 |
Shell Dev |
Subsurface pump for flooding operations
|
US2691300A
(en)
|
1951-12-17 |
1954-10-12 |
Phillips Petroleum Co |
Torque computer
|
US2918127A
(en)
*
|
1956-08-02 |
1959-12-22 |
Jr Albert G Bodine |
Method of cleaning out well pump tubing and the like
|
US3203257A
(en)
|
1962-02-23 |
1965-08-31 |
Gen Motors Corp |
Escapement controlled actuator
|
US3343409A
(en)
|
1966-10-21 |
1967-09-26 |
Shell Oil Co |
Method of determining sucker rod pump performance
|
US3585484A
(en)
|
1970-01-06 |
1971-06-15 |
D T E Imperial Corp |
Axial ampere-turn balancing in multiple, segregated secondary winding transformers
|
US3765234A
(en)
|
1970-07-09 |
1973-10-16 |
J Sievert |
Method for determining the net torque and the instantaneous horsepower of a pumping unit
|
US3741686A
(en)
|
1971-05-13 |
1973-06-26 |
E Smith |
Self resonant drive for deep well pump
|
US3915225A
(en)
|
1971-08-11 |
1975-10-28 |
George A Swink |
Method and apparatus for producing hydrocarbons from wells which make water
|
US3963374A
(en)
|
1972-10-24 |
1976-06-15 |
Sullivan Robert E |
Well pump control
|
US3854846A
(en)
|
1973-06-01 |
1974-12-17 |
Dresser Ind |
Oil well pumpoff control system utilizing integration timer
|
US3930752A
(en)
|
1973-06-01 |
1976-01-06 |
Dresser Industries, Inc. |
Oil well pumpoff control system utilizing integration timer
|
US3851995A
(en)
|
1973-08-06 |
1974-12-03 |
M Mills |
Pump-off control apparatus for a pump jack
|
US3918843A
(en)
|
1974-03-20 |
1975-11-11 |
Dresser Ind |
Oil well pumpoff control system utilizing integration timer
|
US3938910A
(en)
|
1974-05-13 |
1976-02-17 |
Dresser Industries, Inc. |
Oil well pumpoff control system
|
US3936231A
(en)
|
1974-05-13 |
1976-02-03 |
Dresser Industries, Inc. |
Oil well pumpoff control system
|
US3965983A
(en)
|
1974-12-13 |
1976-06-29 |
Billy Ray Watson |
Sonic fluid level control apparatus
|
US3998568A
(en)
|
1975-05-27 |
1976-12-21 |
Hynd Ike W |
Pump-off control responsive to time changes between rod string load
|
US3951209A
(en)
|
1975-06-09 |
1976-04-20 |
Shell Oil Company |
Method for determining the pump-off of a well
|
US4114375A
(en)
|
1976-04-09 |
1978-09-19 |
Canadian Foremost Ltd. |
Pump jack device
|
US4058757A
(en)
|
1976-04-19 |
1977-11-15 |
End Devices, Inc. |
Well pump-off controller
|
US4118148A
(en)
|
1976-05-11 |
1978-10-03 |
Gulf Oil Corporation |
Downhole well pump control system
|
US4108574A
(en)
|
1977-01-21 |
1978-08-22 |
International Paper Company |
Apparatus and method for the indirect measurement and control of the flow rate of a liquid in a piping system
|
US4276003A
(en)
|
1977-03-04 |
1981-06-30 |
California Institute Of Technology |
Reciprocating piston pump system with screw drive
|
US4226404A
(en)
|
1977-03-07 |
1980-10-07 |
Michael P. Breston |
Universal long stroke pump system
|
US4102394A
(en)
|
1977-06-10 |
1978-07-25 |
Energy 76, Inc. |
Control unit for oil wells
|
US4098340A
(en)
*
|
1977-07-12 |
1978-07-04 |
Barney Raymond Steele |
Method of and apparatus for cleaning down well valves of well pumps in situ
|
US4145161A
(en)
|
1977-08-10 |
1979-03-20 |
Standard Oil Company (Indiana) |
Speed control
|
DE2801139C2
(de)
|
1978-01-12 |
1980-01-24 |
G. Siempelkamp Gmbh & Co, 4150 Krefeld |
Spindelpresse
|
US4194393A
(en)
|
1978-04-13 |
1980-03-25 |
Stallion Corporation |
Well driving and monitoring system
|
US4171185A
(en)
|
1978-06-19 |
1979-10-16 |
Operational Devices, Inc. |
Sonic pump off detector
|
US4181003A
(en)
|
1978-09-12 |
1980-01-01 |
Kononov Ivan V |
Hydraulic screw press drive
|
US4508487A
(en)
|
1979-04-06 |
1985-04-02 |
Cmd Enterprises, Inc. |
Automatic load seeking control for a pumpjack motor
|
US4220440A
(en)
|
1979-04-06 |
1980-09-02 |
Superior Electric Supply Co. |
Automatic load seeking control for a pumpjack motor
|
US4286925A
(en)
|
1979-10-31 |
1981-09-01 |
Delta-X Corporation |
Control circuit for shutting off the electrical power to a liquid well pump
|
US4358248A
(en)
*
|
1979-12-11 |
1982-11-09 |
Bodine Albert G |
Sonic pump for pumping wells and the like employing dual transmission lines
|
US4342364A
(en)
*
|
1980-04-11 |
1982-08-03 |
Bodine Albert G |
Apparatus and method for coupling sonic energy to the bore hole wall of an oil well to facilitate oil production
|
US4480960A
(en)
|
1980-09-05 |
1984-11-06 |
Chevron Research Company |
Ultrasensitive apparatus and method for detecting change in fluid flow conditions in a flowline of a producing oil well, or the like
|
US4390321A
(en)
|
1980-10-14 |
1983-06-28 |
American Davidson, Inc. |
Control apparatus and method for an oil-well pump assembly
|
US4370098A
(en)
|
1980-10-20 |
1983-01-25 |
Esco Manufacturing Company |
Method and apparatus for monitoring and controlling on line dynamic operating conditions
|
US4363605A
(en)
|
1980-11-03 |
1982-12-14 |
Mills Manuel D |
Apparatus for generating an electrical signal which is proportional to the tension in a bridle
|
US4406122A
(en)
|
1980-11-04 |
1983-09-27 |
Mcduffie Thomas F |
Hydraulic oil well pumping apparatus
|
US4438628A
(en)
|
1980-12-19 |
1984-03-27 |
Creamer Reginald D |
Pump jack drive apparatus
|
US4474002A
(en)
|
1981-06-09 |
1984-10-02 |
Perry L F |
Hydraulic drive pump apparatus
|
US4487554A
(en)
*
|
1982-03-08 |
1984-12-11 |
Bodine Albert G |
Sonic pump for pumping wells and the like employing a rod vibration system
|
US4490094A
(en)
|
1982-06-15 |
1984-12-25 |
Gibbs Sam G |
Method for monitoring an oil well pumping unit
|
US4661751A
(en)
|
1982-07-14 |
1987-04-28 |
Claude C. Freeman |
Well pump control system
|
US4476418A
(en)
|
1982-07-14 |
1984-10-09 |
Werner John W |
Well pump control system
|
BR8204205A
(pt)
|
1982-07-16 |
1984-02-21 |
Icotron Sa |
Sistema de bombeamento de liquidos acionado por energia solar
|
US4788873A
(en)
|
1982-10-18 |
1988-12-06 |
Laney Roy N |
Portable walking beam pump jack
|
US4631954A
(en)
|
1982-11-18 |
1986-12-30 |
Mills Manuel D |
Apparatus for controlling a pumpjack prime mover
|
US4691511A
(en)
|
1982-12-14 |
1987-09-08 |
Otis Engineering Corporation |
Hydraulic well pump
|
US4487061A
(en)
|
1982-12-17 |
1984-12-11 |
Fmc Corporation |
Method and apparatus for detecting well pump-off
|
US4534706A
(en)
|
1983-02-22 |
1985-08-13 |
Armco Inc. |
Self-compensating oscillatory pump control
|
US4483188A
(en)
|
1983-04-18 |
1984-11-20 |
Fmc Corporation |
Method and apparatus for recording and playback of dynagraphs for sucker-rod wells
|
US4498845A
(en)
*
|
1983-06-13 |
1985-02-12 |
Pittman Homer F |
Pumper bumper
|
US4534168A
(en)
|
1983-06-30 |
1985-08-13 |
Brantly Newby O |
Pump jack
|
US4507055A
(en)
|
1983-07-18 |
1985-03-26 |
Gulf Oil Corporation |
System for automatically controlling intermittent pumping of a well
|
US4583915A
(en)
|
1983-08-01 |
1986-04-22 |
End Devices, Inc. |
Pump-off controller
|
DE3346329A1
(de)
|
1983-12-22 |
1985-07-04 |
Eumuco Aktiengesellschaft für Maschinenbau, 5090 Leverkusen |
Spindelpresse mit einer schaltkupplung und einem ununterbrochen umlaufenden schwungrad
|
US4508488A
(en)
|
1984-01-04 |
1985-04-02 |
Logan Industries & Services, Inc. |
Well pump controller
|
US4594665A
(en)
|
1984-02-13 |
1986-06-10 |
Fmc Corporation |
Well production control system
|
US4551072A
(en)
|
1984-02-15 |
1985-11-05 |
Hibar Systems Limited |
Fluid pressure operated actuator
|
US4541274A
(en)
|
1984-05-10 |
1985-09-17 |
Board Of Regents For The University Of Oklahoma |
Apparatus and method for monitoring and controlling a pump system for a well
|
US4681167A
(en)
|
1984-06-08 |
1987-07-21 |
Soderberg Research & Development, Inc. |
Apparatus and method for automatically and periodically introducing a fluid into a producing oil well
|
DE3425332A1
(de)
|
1984-07-10 |
1986-01-16 |
SMS Hasenclever Maschinenfabrik GmbH, 4000 Düsseldorf |
Spindelpresse
|
US4631918A
(en)
|
1984-12-21 |
1986-12-30 |
Dynamic Hydraulic Systems, Inc. |
Oil-well pumping system or the like
|
US4719811A
(en)
|
1985-02-25 |
1988-01-19 |
Rota-Flex Corporation |
Well pumping unit with counterweight
|
US4716555A
(en)
*
|
1985-06-24 |
1987-12-29 |
Bodine Albert G |
Sonic method for facilitating the fracturing of earthen formations in well bore holes
|
US4695231A
(en)
*
|
1985-10-15 |
1987-09-22 |
Bodine Albert G |
Sonic impeller for sonic well pump
|
US4695779A
(en)
|
1986-05-19 |
1987-09-22 |
Sargent Oil Well Equipment Company Of Dover Resources, Incorporated |
Motor protection system and process
|
US5222867A
(en)
|
1986-08-29 |
1993-06-29 |
Walker Sr Frank J |
Method and system for controlling a mechanical pump to monitor and optimize both reservoir and equipment performance
|
US4807518A
(en)
|
1986-10-14 |
1989-02-28 |
Cincinnati Milacron Inc. |
Counterbalance mechanism for vertically movable means
|
US4867000A
(en)
|
1986-11-10 |
1989-09-19 |
Lentz Dennis G |
Linear motion power cylinder
|
US4873635A
(en)
|
1986-11-20 |
1989-10-10 |
Mills Manual D |
Pump-off control
|
US4741397A
(en)
|
1986-12-15 |
1988-05-03 |
Texas Independent Tools & Unlimited Services, Incorporated |
Jet pump and technique for controlling pumping of a well
|
US4973226A
(en)
|
1987-04-29 |
1990-11-27 |
Delta-X Corporation |
Method and apparatus for controlling a well pumping unit
|
US4747451A
(en)
|
1987-08-06 |
1988-05-31 |
Oil Well Automation, Inc. |
Level sensor
|
US4935685A
(en)
|
1987-08-12 |
1990-06-19 |
Sargent Oil Well Equipment Company |
Motor controller for pumping units
|
US5006044A
(en)
|
1987-08-19 |
1991-04-09 |
Walker Sr Frank J |
Method and system for controlling a mechanical pump to monitor and optimize both reservoir and equipment performance
|
US4782258A
(en)
|
1987-10-28 |
1988-11-01 |
Westinghouse Electric Corp. |
Hybrid electro-pneumatic robot joint actuator
|
US4830112A
(en)
|
1987-12-14 |
1989-05-16 |
Erickson Don J |
Method and apparatus for treating wellbores
|
US4859151A
(en)
|
1988-01-19 |
1989-08-22 |
Reed John H |
Pump-off control for a pumpjack unit
|
US4836497A
(en)
|
1988-03-08 |
1989-06-06 |
Johnson Controls, Inc. |
Adjustable valve linkage
|
US4817712A
(en)
*
|
1988-03-24 |
1989-04-04 |
Bodine Albert G |
Rod string sonic stimulator and method for facilitating the flow from petroleum wells
|
US5204595A
(en)
|
1989-01-17 |
1993-04-20 |
Magnetek, Inc. |
Method and apparatus for controlling a walking beam pump
|
US5044888A
(en)
|
1989-02-10 |
1991-09-03 |
Teledyne Industries, Inc. |
Variable speed pump control for maintaining fluid level below full barrel level
|
US5027909A
(en)
|
1989-04-05 |
1991-07-02 |
Utica Enterprises, Inc. |
Tool holding apparatus
|
US4971522A
(en)
|
1989-05-11 |
1990-11-20 |
Butlin Duncan M |
Control system and method for AC motor driven cyclic load
|
US5064349A
(en)
|
1990-02-22 |
1991-11-12 |
Barton Industries, Inc. |
Method of monitoring and controlling a pumped well
|
US5129267A
(en)
|
1990-03-01 |
1992-07-14 |
Southwest Research Institute |
Flow line sampler
|
EP0465731B1
(en)
|
1990-07-10 |
1997-08-20 |
Services Petroliers Schlumberger |
Method and apparatus for determining the torque applied to a drillstring at the surface
|
US5129264A
(en)
|
1990-12-07 |
1992-07-14 |
Goulds Pumps, Incorporated |
Centrifugal pump with flow measurement
|
US5240380A
(en)
|
1991-05-21 |
1993-08-31 |
Sundstrand Corporation |
Variable speed control for centrifugal pumps
|
DE4292190T1
(de)
|
1991-07-01 |
1994-06-09 |
Komatsu Mfg Co Ltd |
Ziehkissen-Vorrichtung für Presse
|
JP3050336B2
(ja)
|
1991-07-05 |
2000-06-12 |
パイオニア株式会社 |
追記型光ディスクへの記録方法及び光ディスク記録装置
|
US5180289A
(en)
|
1991-08-27 |
1993-01-19 |
Baker Hughes Incorporated |
Air balance control for a pumping unit
|
US5557154A
(en)
|
1991-10-11 |
1996-09-17 |
Exlar Corporation |
Linear actuator with feedback position sensor device
|
US5237863A
(en)
|
1991-12-06 |
1993-08-24 |
Shell Oil Company |
Method for detecting pump-off of a rod pumped well
|
US5224834A
(en)
|
1991-12-24 |
1993-07-06 |
Evi-Highland Pump Company, Inc. |
Pump-off control by integrating a portion of the area of a dynagraph
|
GB2273175B
(en)
|
1992-12-04 |
1996-05-15 |
Advanced Systems Automation Pt |
Direct drive electro-mechanical press for encapsulating semiconductor devices
|
GB2278892B
(en)
|
1992-03-03 |
1996-08-28 |
Lloyd Stanley |
Hydraulic oil well pump drive system
|
US5246076A
(en)
|
1992-03-10 |
1993-09-21 |
Evi-Highland Pump Company |
Methods and apparatus for controlling long-stroke pumping units using a variable-speed drive
|
US5441389A
(en)
|
1992-03-20 |
1995-08-15 |
Eaton Corporation |
Eddy current drive and motor control system for oil well pumping
|
US5230607A
(en)
|
1992-03-26 |
1993-07-27 |
Mann Clifton B |
Method and apparatus for controlling the operation of a pumpjack
|
US5167490A
(en)
|
1992-03-30 |
1992-12-01 |
Delta X Corporation |
Method of calibrating a well pumpoff controller
|
US5251696A
(en)
|
1992-04-06 |
1993-10-12 |
Boone James R |
Method and apparatus for variable speed control of oil well pumping units
|
US5281100A
(en)
|
1992-04-13 |
1994-01-25 |
A.M.C. Technology, Inc. |
Well pump control system
|
US5316085A
(en)
|
1992-04-15 |
1994-05-31 |
Exxon Research And Engineering Company |
Environmental recovery system
|
US5252031A
(en)
|
1992-04-21 |
1993-10-12 |
Gibbs Sam G |
Monitoring and pump-off control with downhole pump cards
|
US5284422A
(en)
|
1992-10-19 |
1994-02-08 |
Turner John M |
Method of monitoring and controlling a well pump apparatus
|
US5372482A
(en)
|
1993-03-23 |
1994-12-13 |
Eaton Corporation |
Detection of rod pump fillage from motor power
|
US5318409A
(en)
|
1993-03-23 |
1994-06-07 |
Westinghouse Electric Corp. |
Rod pump flow rate determination from motor power
|
US5425623A
(en)
|
1993-03-23 |
1995-06-20 |
Eaton Corporation |
Rod pump beam position determination from motor power
|
US5444609A
(en)
|
1993-03-25 |
1995-08-22 |
Energy Management Corporation |
Passive harmonic filter system for variable frequency drives
|
US5362206A
(en)
|
1993-07-21 |
1994-11-08 |
Automation Associates |
Pump control responsive to voltage-current phase angle
|
US5656903A
(en)
|
1993-10-01 |
1997-08-12 |
The Ohio State University Research Foundation |
Master-slave position and motion control system
|
JPH07103136A
(ja)
|
1993-10-04 |
1995-04-18 |
Nikko Eng Kk |
液体吐出装置およびその動作制御方法
|
US5458466A
(en)
|
1993-10-22 |
1995-10-17 |
Mills; Manuel D. |
Monitoring pump stroke for minimizing pump-off state
|
US5429193A
(en)
|
1994-03-16 |
1995-07-04 |
Blackhawk Environmental Company |
Piston pump and applications therefor
|
US5809837A
(en)
|
1994-05-02 |
1998-09-22 |
Shaffer; James E. |
Roller screw device for converting rotary to linear motion
|
US6116139A
(en)
|
1994-09-26 |
2000-09-12 |
Compact Air Products, Inc. |
Pneumatically powered linear actuator control apparatus and method
|
US5819849A
(en)
|
1994-11-30 |
1998-10-13 |
Thermo Instrument Controls, Inc. |
Method and apparatus for controlling pump operations in artificial lift production
|
WO1996035055A1
(fr)
|
1995-05-05 |
1996-11-07 |
Sorelec |
Pompe alternative verticale
|
US5806402A
(en)
|
1995-09-06 |
1998-09-15 |
Henry; Michael F. |
Regulated speed linear actuator
|
US5577433A
(en)
|
1995-09-06 |
1996-11-26 |
Henry; Michael F. |
Regulated speed linear actuator
|
US5634522A
(en)
|
1996-05-31 |
1997-06-03 |
Hershberger; Michael D. |
Liquid level detection for artificial lift system control
|
CA2163137A1
(en)
|
1995-11-17 |
1997-05-18 |
Ben B. Wolodko |
Method and apparatus for controlling downhole rotary pump used in production of oil wells
|
US5715890A
(en)
|
1995-12-13 |
1998-02-10 |
Nolen; Kenneth B. |
Determing fluid levels in wells with flow induced pressure pulses
|
US5823262A
(en)
|
1996-04-10 |
1998-10-20 |
Micro Motion, Inc. |
Coriolis pump-off controller
|
US6129110A
(en)
|
1996-04-17 |
2000-10-10 |
Milton Roy Company |
Fluid level management system
|
US6449567B1
(en)
|
1996-05-20 |
2002-09-10 |
Crane Nuclear, Inc. |
Apparatus and method for determining shaft speed of a motor
|
US5829115A
(en)
|
1996-09-09 |
1998-11-03 |
General Electro Mechanical Corp |
Apparatus and method for actuating tooling
|
US5996691A
(en)
|
1996-10-25 |
1999-12-07 |
Norris; Orley (Jay) |
Control apparatus and method for controlling the rate of liquid removal from a gas or oil well with a progressive cavity pump
|
US5868029A
(en)
|
1997-04-14 |
1999-02-09 |
Paine; Alan |
Method and apparatus for determining fluid level in oil wells
|
US6092600A
(en)
|
1997-08-22 |
2000-07-25 |
Texaco Inc. |
Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible pump and associate a method
|
US6079491A
(en)
|
1997-08-22 |
2000-06-27 |
Texaco Inc. |
Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible progressive cavity pump
|
US6164935A
(en)
|
1997-10-03 |
2000-12-26 |
Basil International, Inc. |
Walking beam compressor
|
US5941305A
(en)
|
1998-01-29 |
1999-08-24 |
Patton Enterprises, Inc. |
Real-time pump optimization system
|
US6043569A
(en)
|
1998-03-02 |
2000-03-28 |
Ferguson; Gregory N. C. |
Zero phase sequence current filter apparatus and method for connection to the load end of six or four-wire branch circuits
|
US6592340B1
(en)
|
1998-06-11 |
2003-07-15 |
Sulzer Pumpen Ag |
Control system for a vacuum pump used for removing liquid and a method of controlling said pump
|
US6041597A
(en)
|
1998-06-22 |
2000-03-28 |
Huang; Chih-Hsiang |
Pneumatic/hydraulic balance weight system for mother machines
|
US6015271A
(en)
|
1998-10-14 |
2000-01-18 |
Lufkin Industries, Inc. |
Stowable walking beam pumping unit
|
US6275403B1
(en)
|
1998-12-31 |
2001-08-14 |
Worldwater Corporation |
Bias controlled DC to AC converter and systems
|
US6464464B2
(en)
|
1999-03-24 |
2002-10-15 |
Itt Manufacturing Enterprises, Inc. |
Apparatus and method for controlling a pump system
|
CA2268480C
(en)
|
1999-04-09 |
2001-06-19 |
1061933 Ontario Inc. |
Universal harmonic mitigating system
|
US6155347A
(en)
|
1999-04-12 |
2000-12-05 |
Kudu Industries, Inc. |
Method and apparatus for controlling the liquid level in a well
|
US6176682B1
(en)
|
1999-08-06 |
2001-01-23 |
Manuel D. Mills |
Pumpjack dynamometer and method
|
JP2001124170A
(ja)
|
1999-10-27 |
2001-05-08 |
Alpha Getriebe Ltd |
リニアアクチュエータの支持点設置方式
|
US6343656B1
(en)
|
2000-03-23 |
2002-02-05 |
Intevep, S.A. |
System and method for optimizing production from a rod-pumping system
|
US6497281B2
(en)
|
2000-07-24 |
2002-12-24 |
Roy R. Vann |
Cable actuated downhole smart pump
|
JP3941384B2
(ja)
|
2000-12-05 |
2007-07-04 |
アイダエンジニアリング株式会社 |
駆動装置並びにプレス機械のスライド駆動装置及び方法
|
US6615712B2
(en)
|
2000-12-11 |
2003-09-09 |
Unova Ip Corp. |
Mechanical press drive
|
US6640601B2
(en)
|
2000-12-27 |
2003-11-04 |
Sanyo Machine America Corporation |
Electric hemming press
|
CA2435517A1
(en)
|
2001-01-26 |
2002-08-08 |
Tol-O-Matic, Inc. |
Electric actuator
|
GB0111265D0
(en)
|
2001-05-05 |
2001-06-27 |
Henrob Ltd |
Fastener insertion apparatus and method
|
WO2003001063A1
(en)
|
2001-06-21 |
2003-01-03 |
Lg Electronics Inc. |
Apparatus and method for controlling reciprocating compressor
|
US6585041B2
(en)
|
2001-07-23 |
2003-07-01 |
Baker Hughes Incorporated |
Virtual sensors to provide expanded downhole instrumentation for electrical submersible pumps (ESPs)
|
WO2003065564A1
(fr)
|
2002-01-31 |
2003-08-07 |
Fuji Electric Holdings Co.,Ltd. |
Procede et dispositif permettant le controle de convertisseur photovoltaique, et dispositif d'eau d'alimentation
|
US7010393B2
(en)
|
2002-06-20 |
2006-03-07 |
Compressor Controls Corporation |
Controlling multiple pumps operating in parallel or series
|
JP4001330B2
(ja)
|
2002-06-27 |
2007-10-31 |
本田技研工業株式会社 |
エンジン始動装置
|
US20040062658A1
(en)
|
2002-09-27 |
2004-04-01 |
Beck Thomas L. |
Control system for progressing cavity pumps
|
JP2005054699A
(ja)
|
2003-08-05 |
2005-03-03 |
Nishihara:Kk |
ピストンポンプ
|
ITMI20032000A1
(it)
|
2003-10-16 |
2005-04-17 |
Univer Spa |
Cilindro elettrico
|
US7458787B2
(en)
|
2004-04-13 |
2008-12-02 |
Harbison-Fischer, Inc. |
Apparatus and method for reducing gas lock in downhole pumps
|
US7530799B2
(en)
|
2004-07-30 |
2009-05-12 |
Norris Edward Smith |
Long-stroke deep-well pumping unit
|
CA2580626C
(en)
|
2004-09-17 |
2013-01-15 |
Lufkin Industries, Inc. |
Method for mitigating rod float in rod pumped wells
|
US7713035B2
(en)
|
2004-10-15 |
2010-05-11 |
Michael Brant Ford |
Cyclonic debris removal device and method for a pumping apparatus
|
JP4233514B2
(ja)
|
2004-11-04 |
2009-03-04 |
ファナック株式会社 |
ダイクッション機構並びにその制御装置及び制御方法
|
US7588076B2
(en)
|
2005-01-17 |
2009-09-15 |
Chengqun Jin |
Pumping and repairing unit
|
CN1752406B
(zh)
|
2005-10-28 |
2013-10-23 |
大庆油田有限责任公司 |
单曲柄倍程柔绳抽油系统
|
US7321211B2
(en)
|
2006-04-28 |
2008-01-22 |
Unico, Inc. |
Power variation control system for cyclic loads
|
US8668475B2
(en)
|
2006-06-12 |
2014-03-11 |
Unico, Inc. |
Linear rod pump apparatus and method
|
US8152492B2
(en)
|
2006-06-12 |
2012-04-10 |
Unico, Inc. |
Linear rod pump apparatus and method
|
US8397083B1
(en)
|
2006-08-23 |
2013-03-12 |
Netapp, Inc. |
System and method for efficiently deleting a file from secure storage served by a storage system
|
US20080066184A1
(en)
|
2006-09-13 |
2008-03-13 |
Nice Systems Ltd. |
Method and system for secure data collection and distribution
|
US20130302183A1
(en)
|
2008-10-15 |
2013-11-14 |
Unico, Inc. |
Cranked rod pump apparatus and method
|
US8708671B2
(en)
|
2007-10-15 |
2014-04-29 |
Unico, Inc. |
Cranked rod pump apparatus and method
|
MX2010004080A
(es)
|
2007-10-15 |
2010-06-25 |
Unico |
Bomba de barra acodada, aparato y metodo.
|
US8360756B2
(en)
|
2008-10-31 |
2013-01-29 |
Michael Brent Ford |
Valve rod guide with cyclonic debris removal
|
US9525999B2
(en)
|
2009-12-21 |
2016-12-20 |
Blackberry Limited |
Method of securely transferring services between mobile devices
|
US9015489B2
(en)
|
2010-04-07 |
2015-04-21 |
Microsoft Technology Licensing, Llc |
Securing passwords against dictionary attacks
|
US20130110943A1
(en)
|
2011-11-02 |
2013-05-02 |
Apple Inc. |
Notification and reminder generation, distribution, and storage system
|
US9173085B2
(en)
|
2012-07-06 |
2015-10-27 |
Blackberry Limited |
Methods and apparatus for use in transferring an assignment of a secure chip subscription managers
|
JP2014051918A
(ja)
|
2012-09-06 |
2014-03-20 |
Toyota Motor Corp |
電動ポンプの制御装置
|
US9115705B2
(en)
*
|
2012-09-10 |
2015-08-25 |
Flotek Hydralift, Inc. |
Synchronized dual well variable stroke and variable speed pump down control with regenerative assist
|
US9689251B2
(en)
|
2014-05-08 |
2017-06-27 |
Unico, Inc. |
Subterranean pump with pump cleaning mode
|