Y10T74/18182 - CPC Classification Index

ClassID:

246677 ⎘

Y10T74/18182 - CPC Classification

Classification description:

Machine element or mechanism; Mechanical movements; Rotary to or from reciprocating or oscillating; Crank, pitman, lever, and slide Pump jack type

Recent Application in this class:

20160131128

2016-05-12

Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string

20150219090

2015-08-06

Pumping unit and counterbalance system for pumping units

20150040692

2015-02-12

Swiveling joint for a horse head on a pump jack

20130306326

2013-11-21

Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string

20120031208

2012-02-09

Beam pumping unit for inclined wellhead

20110318199

2011-12-29

Oil pumping unit

20110314959

2011-12-29

Cross-jack counterbalance system

20100170353

2010-07-08

PUMPING UNIT

20100037716

2010-02-18

Clampless adjustable polish rod and well drilling equipment comprising same

#10

20090266186

2009-10-29

Ring rack oil pumping machine

#11

20090159263

2009-06-25

Device for remotely actuating the safety lock of individual oil pumping apparatus

#12

20090107267

2009-04-30

Prime mover with integral oil reservoir

#13

20090066090

2009-03-12

Wind turbine based energy storage system and method using heavy weighted devices

#14

20090066053

2009-03-12

Human powered vehicle with two reciprocal pedals

#15

20060060011

2006-03-23

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