F04B 9/1073
With actuation in the other direction by gravity
Official title: {with actuation in the other direction by gravity}
F04B9/1073 (With actuation in the other direction by gravity) appears on 9 US grants and 7 published applications in this corpus.
Search patents in F04B- Granted patents
- 9
- Published applications
- 7
- Assignees
- 8
- Inventors
- 32
- Latest grant
- 7 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic oil well pumping system, and method for pumping hydrocarbon fluids from a wellbore7 Apr 2020US 10,612,537 B2Hydraulic Rod Pumps, International
- Hydraulic oil well pumping system, and method for pumping hydrocarbon fluids from a wellbore4 Feb 2020US 10,550,673 B2Hydraulic Rod Pumps, International
- Piston apparatus for gas/liquid pipeline31 Dec 2002US 6,499,384 B1
- Hydraulic alternating volumetric pumping system20 Mar 2001US 6,203,289 B1Institut Francais du Petrole
- Simplified energy transforming structure23 Nov 1999US 5,988,991 A
- Cryogenic pump with designed leakby for hydrogen fueling station16 Oct 2025US 2025/0320855 A1Bosch Rexroth AG
- An apparatus and method for compressing fluid31 Jan 2019US 2019/0032646 A1Cryostar SAS
- Hydraulic Oil Well Pumping System, and Method for Pumping Hydrocarbon Fluids From a Wellbore25 Oct 2018US 2018/0306011 A1Hydraulic Rod Pumps, International
- Hydraulic Oil Well Pumping System, and Method for Pumping Hydrocarbon Fluids From a Wellbore23 Jun 2016US 2016/0177683 A1Hydraulic Rod Pumps, International
- Hydraulic oil well pumping system, and method for pumping hydrocarbon fluids from a wellbore20 Mar 2014US 2014/0079560 A1
Most cited
By later US patents
- Pumping system using solar energy37US 3,937,599 AAgence Nationale de Valorisation de la Recherche (ANVAR) · 1976
- Downhole pump10US 4,421,463 A1983
- Pressure amplifying pump system6US 4,844,700 A1989
- Simplified energy transforming structure3US 5,988,991 A1999
- Hydraulic oil well pumping system, and method for pumping hydrocarbon fluids from a wellbore2US 10,612,537 B2Hydraulic Rod Pumps, International · 2020