Patents-Review.com
ClassID:

143107 ⎘

F04B47/022 - CPC Classification

Classification description:

Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level driving of the walking beam

Recent Application in this class:
#1
20260098459
2026-04-09

MANAGING REGENERATIVE ENERGY OF RECIPROCATING PUMPING UNIT

 #2
20250341209
2025-11-06

LINEARLY ACTUATED, PIVOTING, PUMPING UNIT

 #3
20250175109
2025-05-29

Managing Regenerative Energy of Rod Pump System without Dynamic Braking Resistor

 #4
20240376814
2024-11-14

Automatic Iteration of Upstroke and Downstroke Damping Factors with Iterative Bisection Method

 #5
20240309863
2024-09-19

Hydraulic Powerhouse System For An Oil Well Pumping Unit

 #6
20240309749
2024-09-19

NOVEL ROD-PUMP CONTROLLER

 #7
20240247653
2024-07-25

Lightweight, Lattice Structure Horsehead for Reciprocating Pump Unit

 #8
20240218868
2024-07-04

SYSTEM AND METHOD FOR HARNESSING GRAVITY TO GENERATE, LEVERAGE, AND STORE ELECTRICAL ENERGY

 #9
20240110560
2024-04-04

ELECTRIC CYLINDER DRIVING DEVICE AND WALKING BEAM PUMPING UNIT INCLUDING ELECTRIC CYLINDER DRIVING DEVICE

 #10
20230184068
2023-06-15

SYSTEM AND METHOD FOR EVALUATING RECIPROCATING DOWNHOLE PUMP DATA USING POLAR COORDINATE ANALYTICS

 #11
20230043079
2023-02-09

LONG STROKE BEAM PUMPING UNIT

 #12
20220341413
2022-10-27

Rod pumping surface unit

 #13
20220290536
2022-09-15

Systems and methods for controlling a vertical pumping unit

 #14
20220252064
2022-08-11

Solar drive control system for oil pump jacks

 #15
20220228473
2022-07-21

Sucker rod pump automated control method and system

 #16
20220195864
2022-06-23

Optical monitoring and control of pumpjack

 #17
20220042400
2022-02-10

DRIVE FOR DEEP-WELL SUCKER-ROD PUMPING UNIT

 #18
20210363873
2021-11-25

Rod-pump controller

 #19
20210301635
2021-09-30

Pumping hydrocarbon fluids from a well

 #20
20210270256
2021-09-02

Method and system for controlling multiple pump jacks

 #21
20210222688
2021-07-22

Pump systems and methods to improve pump load predictions

 #22
20210003124
2021-01-07

Pump jack with counterbalance

 #23
20200355064
2020-11-12

Systems and methods of controlling an electric motor that operates a pump jack

 #24
20200332791
2020-10-22

Regenerated Power Accumulator for Rod Lift Drive

 #25
20200309112
2020-10-01

Pumping Unit Having Zero-Imbalanced Beam, Lagging Counterweights, and Setback Crank Point

 #26
20200263531
2020-08-20

Oil-well pump instrumentation device and method

 #27
20200232312
2020-07-23

System and method for evaluating reciprocating downhole pump data using polar coordinate analytics

 #28
20200018151
2020-01-16

Diagnostics of downhole dynamometer data for control and troubleshooting of reciprocating rod lift systems

 #29
20190330964
2019-10-31

Slant well pumping unit

 #30
20190242223
2019-08-08

Oil pumping apparatus without a speed reducer

 #31
20190234401
2019-08-01

Long stroke pumping unit

 #32
20190234400
2019-08-01

Direct drive pumping unit

 #33
20190234192
2019-08-01

Apparatus for transferring a reciprocating movement from a surface machinery to a downhole device and a method of producing well fluids

 #34
20190186597
2019-06-20

Pumpjack inertia capacitor

 #35
20190145228
2019-05-16

Electric machine driving method and system under non-conventional work mode of oil pumping unit

 #36
20190136848
2019-05-09

Solar drive control system for oil pump jacks

 #37
20190120218
2019-04-25

Tandem motor linear rod pump

 #38
20190120217
2019-04-25

Tandem motor linear rod pump

 #39
20190056057
2019-02-21

INTEGRATED BASE ASSEMBLY FOR BEAM PUMPING UNIT

 #40
20190040857
2019-02-07

Beam pumping unit with geometry optimized for bearing stress reduction

 #41
20180372190
2018-12-27

Belt tensioner for pumpjack

 #42
20180371717
2018-12-27

Integral Precast Foundation Base for Pumping Unit

 #43
20180347559
2018-12-06

Service module for troubleshooting pumping unit

 #44
20180328354
2018-11-15

Solar drive control system for oil pump jacks

 #45
20180202596
2018-07-19

Rear leg connection for beam pumping unit

 #46
20180119688
2018-05-03

Solar drive control system for oil pump jacks

 #47
20180106250
2018-04-19

COATINGS FOR REDUCING WEAR ON ROD PUMP COMPONENTS

 #48
20180038366
2018-02-08

Method of determining pump fill and adjusting speed of a rod pumping system

 #49
20170370358
2017-12-28

Solar drive control system for oil pump jacks

 #50
20170363079
2017-12-21

Integrated wireless data system and method for pump control

 #51
20170335838
2017-11-23

Solar drive control system for oil pump jacks

 #52
20170306945
2017-10-26

Counterweighted pumpjack with reversible motors

 #53
20170298925
2017-10-19

Rod pumping unit and method of operation

 #54
20170298923
2017-10-19

Digitized automatic control method for oil-pumping and digitized balance-shifting pumpjack

 #55
20170268500
2017-09-21

Controller and method of controlling a rod pumping unit

 #56
20170234310
2017-08-17

System and method for preventing floating rod effect in a sucker rod pump

 #57
20170175732
2017-06-22

Methods and apparatus to calibrate rod pump controllers

 #58
20170167483
2017-06-15

COATINGS FOR REDUCING WEAR ON ROD PUMP COMPONENTS

 #59
20170167482
2017-06-15

Controller for a rod pumping unit and method of operation

 #60
20170082183
2017-03-23

Mechanism and system for rotating an elongate member of an oil pump

 #61
20170074079
2017-03-16

Controlled pneumatic well pumping system, and method for optimizing pump stroke speed

 #62
20170037845
2017-02-09

Controller and method of controlling a rod pumping unit

 #63
20170030170
2017-02-02

Control system and method of controlling a rod pumping unit

 #64
20170016313
2017-01-19

Diagnostics of downhole dynamometer data for control and troubleshooting of reciprocating rod lift systems

 #65
20170002805
2017-01-05

ELECTRIC MOTOR CONTROL FOR PUMPJACK PUMPING

 #66
20160363116
2016-12-15

Dual completion linear rod pump

 #67
20160265321
2016-09-15

Well Pumping System Having Pump Speed Optimization

 #68
20160237796
2016-08-18

Diversion plunger for reciprocating rod pump

 #69
20160230517
2016-08-11

Downhole pump flushing system and method of use

 #70
20160222957
2016-08-04

Long stroke pumping unit

 #71
20160177941
2016-06-23

Methods and system for enhancing flow of a fluid induced by a rod pumping unit

 #72
20160160581
2016-06-09

Tower drive pumping unit

 #73
20160138949
2016-05-19

Solar battery wireless integrated load cell and inclinometer

 #74
20160138576
2016-05-19

Mechanism and system for rotating an elongate member of an oil pump

 #75
20160123124
2016-05-05

Dual horsehead block and tackle pumping unit

 #76
20160003236
2016-01-07

Methods and apparatus to determine operating parameters of a pumping unit for use with wells

 #77
20160003234
2016-01-07

Methods and apparatus to determine parameters of a pumping unit for use with wells

 #78
20150308242
2015-10-29

Method for monitoring and optimizing the performance of a well pumping system

 #79
20150300156
2015-10-22

Methods and apparatus to determine production of downhole pumps

 #80
20150292498
2015-10-15

OIL PUMPING APPARATUS INCLUDING A CYCLOIDAL SPEED-REDUCTION MECHANISM

 #81
20150233368
2015-08-20

Rack and Pinion Driven Gas Compressor

 #82
20150040692
2015-02-12

Swiveling joint for a horse head on a pump jack

 #83
20150021010
2015-01-22

COUNTERWEIGHTED PUMP JACK WITH REVERSIBLE MOTORS

 #84
20150000930
2015-01-01

Pump jack assembly

 #85
20140322049
2014-10-30

Solar drive control system for oil pump jacks

 #86
20140294602
2014-10-02

Energy saving system and method for devices with rotating or reciprocating masses

 #87
20140238160
2014-08-28

Oil pumping unit with pinion reciprocating on rack

 #88
20140129037
2014-05-08

Apparatus and method of referencing a sucker rod pump

 #89
20130272897
2013-10-17

Intelligent online closed-loop balance adjusting system for pumping unit

 #90
20130202459
2013-08-08

Water-powered pump actuation system

 #91
20130151216
2013-06-13

Method and system for optimizing downhole fluid production

 #92
20130115107
2013-05-09

Calculating downhole pump card with iterations on dual damping factors

 #93
20130115104
2013-05-09

Calculating downhole pump card with iterations on single damping factor

 #94
20130108472
2013-05-02

Fluid load line calculation and concavity test for downhole pump card

 #95
20130104645
2013-05-02

Calculating downhole cards in deviated wells

 #96
20130089439
2013-04-11

Delivery device having a connecting rod, and a method for controlling a delivery device having a connecting rod and at least one balance weight

 #97
20120213645
2012-08-23

Energy saving system and method for devices with rotating or reciprocating masses

 #98
20120141310
2012-06-07

Sand plunger for downhole pump

 #99
20110232283
2011-09-29

Cranked rod pump apparatus and method

 #100
20100206549
2010-08-19

Overpressure protection in gas well dewatering systems

 #101
20100170353
2010-07-08

PUMPING UNIT

 #102
20090107267
2009-04-30

Prime mover with integral oil reservoir

 #103
20080240930
2008-10-02

Method and System for Optimizing Downhole Fluid Production

 #104
20070253848
2007-11-01

Reciprocal pump for gas and liquids

 #105
20060060011
2006-03-23

Pumping unit with variable work stroke and return stroke torque factor characteristics

 #106
20050196286
2005-09-08

Oil well pumping unit and method therefor

 #107
20050095140
2005-05-05

Rod saver speed control method and apparatus

 #108
17512541
2024-09-10

For CPA pumping unit with end return for positioning drive

 #109
17140031
2021-12-21

Pumping unit with end return for positioning drive

 #110
15205215
2020-09-15

Adjusting speed during beam pump cycle using variable speed drive