F02B71/045 - CPC Classification Index

ClassID:

138884 ⎘

F02B71/045 - CPC Classification

Classification description:

Free-piston engines; Engines without rotary main shaft; Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby with hydrostatic transmission

Recent Application in this class:

20170350248

2017-12-07

Control signals for free-piston engines

20160376983

2016-12-29

HIGHLY EFFICIENT TWO-STROKE INTERNAL COMBUSTION HYDRAULIC ENGINE WITH A TORQUING VANE DEVICE INCORPORATED.

20140326211

2014-11-06

Internal combustion engines

20140290956

2014-10-02

High pressure pump

20140283791

2014-09-25

Free-piston engine

20140083077

2014-03-27

Environmentally sealed combustion powered linear actuator

20130298874

2013-11-14

Methods and systems for free piston engine control

20130025570

2013-01-31

Digital hydraulic opposed free piston engines and methods

20120318239

2012-12-20

Free piston engines with single hydraulic piston actuator and methods

#10

20120152183

2012-06-21

Hydraulic Engine

#11

20110083643

2011-04-14

Hydraulic internal combustion engines

#12

20100275884

2010-11-04

Quasi free piston engine

#13

20100162998

2010-07-01

Free piston assembly and method for controlling a free piston assembly

#14

20090271088

2009-10-29

Hydraulic engine

#15

20050284428

2005-12-29

Piston stopper for a free piston engine

#16

20050284426

2005-12-29

Piston guides for a free piston engine

#17

20050263114

2005-12-01

Piston lubrication for a free piston engine