F01B 11/004
In which the movement in the two directions is obtained by two
Official title: {in which the movement in the two directions is obtained by two single acting piston motors, each acting in one direction}
F01B11/004 (In which the movement in the two directions is obtained by two) appears on 41 US grants and 28 published applications in this corpus.
Search patents in F01B- Granted patents
- 41
- Published applications
- 28
- Assignees
- 20
- Inventors
- 66
- Latest grant
- 19 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 3 | 1 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 4 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 5 |
| 2023 | 5 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Adaptive linear linked piston electric power generator19 Dec 2023US 11,846,230 B2General Electric Company
- Adaptive linear linked piston electric power generator12 Dec 2023US 11,840,957 B2General Electric Company
- Free piston generator based on rigid synchronous transmission system28 Nov 2023US 11,831,225 B2Harbin Engineering University
- Adaptive linear linked piston electric power generator14 Nov 2023US 11,815,004 B2General Electric Company
- Free piston generator based on split thermodynamic cycle28 Mar 2023US 11,616,420 B2Harbin Engineering University
- Adaptive linear linked piston electric power generator28 Apr 2022US 2022/0127999 A1General Electric Company
- Free Piston Generator Based on Split Thermodynamic Cycle21 Apr 2022US 2022/0123626 A1Harbin Engineering University
- Free Piston Generator Based on Rigid Synchronous Transmission System21 Apr 2022US 2022/0123627 A1Harbin Engineering University
- Adaptive linear linked piston electric power generator17 Feb 2022US 2022/0049645 A1General Electric Company
- Adaptive linear linked piston electric power generator17 Feb 2022US 2022/0049646 A1General Electric Company
Most cited
By later US patents
- Reciprocable device with switching mechanism51US 5,505,593 AShurflo Pump Manufacturing Co. · 1996
- Reciprocating piston compressor with offset cylinder20US 4,848,213 AThe DeVilbiss Company · 1989
- Rocking-piston machine17US 5,186,137 A1993
- Conical rod piston17US 5,213,025 AThomas Industries, Inc. · 1993
- Arrangement for detecting light sources16US 4,115,006 AThomson-CSF · 1978