F03C 1/013
Reciprocating-piston liquid engines: with single cylinder, single-acting piston
Official title: with single cylinder, single-acting piston
F03C1/013 (Reciprocating-piston liquid engines: with single cylinder, single-acting piston) appears on 20 US grants and 13 published applications in this corpus.
Search patents in F03C- Granted patents
- 20
- Published applications
- 13
- Assignees
- 12
- Inventors
- 39
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Volumetric pressure exchanger with booster effect and integrated flow measurement, for a seawater desalination plant23 Jan 2024US 11,878,272 B2
- Liquid column generator14 Mar 2023US 11,603,761 B2
- Fluid-driven linear motor13 Sep 2022US 11,441,534 B2Flapump AS
- Long-stroke rolling diaphragm cylinder and methods of making same12 Apr 2022US 11,300,116 B2Regents of the University of Minnesota
- Fluid flow converter9 Mar 2021US 10,941,791 B1Spira Energy AB
- Liquid column generator26 May 2022US 2022/0162942 A1
- Fluid-Driven Linear Motor12 May 2022US 2022/0145847 A1Flapump AS
- Applications of ocean wave energy convertors17 Feb 2022US 2022/0047993 A1
- Volumetric pressure exchanger with booster effect and integrated flow measurement, for a seawater desalination plant6 Jan 2022US 2022/0001330 A1
- Fluid flow converter4 Mar 2021US 2021/0062833 A1Spira Energy AB
Most cited
By later US patents
- Impact tool20US 4,034,817 ANippon Pneumatic Manufacturing Co., Ltd. · 1977
- Hydraulic air compressor having an automatic water valve regulation mechanism17US 6,733,253 B22004
- Water powered drive for automatic controllers16US 3,938,426 AThe Toro Company · 1976
- Drop hammers6US 4,100,977 ABSP International Foundations Limited · 1978
- Hydraulic reciprocating device6US 4,512,417 AIngersoll-Rand Company · 1985