F04B 47/10
The units or parts thereof being liftable to ground level by fluid
Official title: the units or parts thereof being liftable to ground level by fluid pressure
F04B47/10 (The units or parts thereof being liftable to ground level by fluid) appears on 15 US grants and 7 published applications in this corpus.
Search patents in F04B- Granted patents
- 15
- Published applications
- 7
- Assignees
- 9
- Inventors
- 21
- Latest grant
- 17 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compressed air operated fluid pump applied to oil wells17 Sep 2019US 10,415,603 B1
- Hydraulic gravity ram pump13 Jan 2015US 8,932,030 B2McNichol, Richard Frederick
- Submersible hydraulic artificial lift systems and methods of operating same29 Jul 2014US 8,789,609 B2
- Hydraulic gravity ramp pump17 Sep 2013US 8,535,017 B2
- Hydraulic gravity ram pump28 Jun 2011US 7,967,578 B2
- System for operating a hydraulically-powered submersible pump13 Aug 2015US 2015/0226208 A1FMC Technologies, Inc.
- Hydraulic gravity ram pump7 May 2015US 2015/0125315 A1
- Hydraulic gravity ram pump5 Dec 2013US 2013/0323086 A1Richard F. McNichol
- Hydraulic gravity ramp pump20 Oct 2011US 2011/0255997 A1
- Submersible hydraulic artificial lift systems and methods of operating same13 Oct 2011US 2011/0247831 A1
Most cited
By later US patents
- Downhole pump with safety valve23US 4,440,231 AConoco Inc. · 1984
- Submersible hydraulic artificial lift systems and methods of operating same18US 8,789,609 B22014
- Triple action pumping system with plunger valves17US 6,142,224 ATexaco Inc. · 2000
- 1½ Piston force pump14US 6,193,476 B12001
- Sampling pump with packer12US 5,238,060 AOED Environmental Systems, Inc. · 1993