Y10S 417/904
Well pump driven by fluid motor mounted above ground
Y10S417/904 (Well pump driven by fluid motor mounted above ground) appears on 50 US grants and 23 published applications in this corpus.
Search patents in Y10S- Granted patents
- 50
- Published applications
- 23
- Assignees
- 26
- Inventors
- 55
- Latest grant
- 24 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 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 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 5 |
| 2007 | 0 | 1 |
| 2008 | 3 | 1 |
| 2009 | 3 | 2 |
| 2010 | 3 | 0 |
| 2011 | 2 | 1 |
| 2012 | 2 | 0 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 4 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic pumping system with piston displacement sensing and control24 Aug 2021US 11,098,708 B2Weatherford Technology Holdings, LLC
- Slant mounted hydraulic pumping system1 Sep 2020US 10,760,388 B2Weatherford Technology Holdings, LLC
- Hydraulic pumping system with detection of fluid in gas volume14 Apr 2020US 10,619,464 B2Weatherford Technology Holdings, LLC
- Hydraulic pumping system with enhanced piston rod sealing27 Feb 2018US 9,903,187 B2Amfields, LP
- Pumping assembly9 Jan 2018US 9,863,415 B21238585 Alberta Ltd.
- Hydraulic pumping system with piston displacement sensing and control4 Nov 2021US 2021/0340972 A1Amfields, LP
- Slant mounted hydraulic pumping system9 Feb 2017US 2017/0037713 A1Weatherford Technology Holdings, LLC
- Hydraulic pumping system with piston displacement sensing and control9 Feb 2017US 2017/0037714 A1Weatherford Technology Holdings, LLC
- Hydraulic pumping system with detection of fluid in gas volume9 Feb 2017US 2017/0037715 A1Weatherford Technology Holdings, LLC
- Hydraulic pumping system with enhanced piston rod sealing9 Feb 2017US 2017/0037841 A1Amfields, LP
Most cited
By later US patents
- Hydraulic drive pump apparatus57US 4,474,002 A1984
- Well head gas counter balanced and operated actuator for oil well pumps43US 3,986,355 A1976
- Hydraulically operated oil well pump jack34US 4,099,447 AAda Pumps, Inc. · 1978
- Pump jack device29US 4,114,375 ACanadian Foremost Ltd. · 1978
- Reversible pump controller26US 5,743,716 AAir-Go Windmill, Inc. · 1998