F02B75/40 - CPC Classification Index

#1

20250027441

2025-01-23

Mechanical leverage to generate torque force to a rotary shaft

#2

20230151762

2023-05-18

Rotary engine

#3

20210277823

2021-09-09

Power unit

#4

20200224586

2020-07-16

Internal combustion engine with fuel compression chamber cylinders

#5

20200096104

2020-03-26

Oil scraper ring for a piston rod

#6

20200072327

2020-03-05

Power delivery devices for reciprocating engines and related systems and methods

#7

20190360560

2019-11-28

Power delivery devices for reciprocating engines, pumps, and compressors, and related systems and methods

#8

20190338679

2019-11-07

Opposed piston type engine

#9

20190323009

2019-10-24

Piston arrangement

#10

20190211677

2019-07-11

PISTON ARRANGEMENT

#11

20190211676

2019-07-11

Piston arrangement

#12

20170241334

2017-08-24

INTEGRATED LINEAR PARALLEL HYBRID ENGINE

#13

20170082046

2017-03-23

Non-uniform displacement engine control system with different control modes based on state of charge of battery and method for controlling non-uniform displacement engine with different control modes based on state of charge of battery

#14

20170067546

2017-03-09

Power delivery devices for reciprocating engines and related systems and methods

#15

20160363198

2016-12-15

Power delivery devices for reciprocating engines and related systems and methods

#16

20160333693

2016-11-17

Piston arrangement

#17

20160305317

2016-10-20

Engine

#18

20140251256

2014-09-11

Double-reed exhaust valve engine

#19

20120049537

2012-03-01

System and method for converting a gas product derived from electrolysis to electricity

#20

20070169728

2007-07-26

Rotating barrel type internal combustion engine

#21

20070151538

2007-07-05

Rotary valve system and engine using the same

#22

20070151537

2007-07-05

Rotary valve system and engine using the same

#23

20070017477

2007-01-25

Rotary valve system and engine using the same

#24

20070017476

2007-01-25

Rotary valve system and engine using the same

#25

20070017204

2007-01-25

Internal combustion engine and method

#26

20070017203

2007-01-25

Internal combustion engine and method

#27

20070017202

2007-01-25

Internal combustion engine and method

#28

20070017201

2007-01-25

Internal combustion engine and method

#29

20070017200

2007-01-25

Internal combustion engine and method

#30

20070012291

2007-01-18

Internal combustion engine and method

#31

20070012024

2007-01-18

Internal combustion engine and method

#32

20070012023

2007-01-18

Internal combustion engine and method with improved combustion chamber

#33

20070012022

2007-01-18

Internal combustion engine and method with improved combustion chamber

#34

20070012021

2007-01-18

Internal combustion engine and method with improved combustion chamber

#35

20070012020

2007-01-18

Internal combustion engine and method with improved combustion chamber

#36

20060254554

2006-11-16

Rotary valve system and engine using the same

#37

20060254249

2006-11-16

Internal combustion engine and method with improved combustion chamber

#38

20060243229

2006-11-02

Internal combustion engine and method

#39

20050098138

2005-05-12

Diesel four cycle, 1 poppet valve, modified head, piston and valves

#40

18792810

2025-08-19

Alternative heat source for an engine

#41

18370184

2024-12-24

Free-piston linear generator