Y10T 74/18182
Pump jack type
Y10T74/18182 (Pump jack type) appears on 84 US grants and 16 published applications in this corpus.
Search patents in Y10T- Granted patents
- 84
- Published applications
- 16
- Assignees
- 43
- Inventors
- 134
- Latest grant
- 24 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 5 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string24 Sep 2019US 10,422,205 B2Lufkin Industries, Inc.
- Pumping unit and counterbalance system for pumping units6 Feb 2018US 9,885,349 B2Guidemaster Manufacturing Corp.
- Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string25 Aug 2015US 9,115,574 B2Lufkin Industries, Inc.
- Swiveling joint for a horse head on a pump jack16 Jun 2015US 9,057,426 B2IBY Outlet Group LLC
- Cross-jack counterbalance system10 Feb 2015US 8,950,473 B2
- Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod string12 May 2016US 2016/0131128 A1Lufkin Industries, Inc.
- Pumping Unit and Counterbalance System for Pumping Units6 Aug 2015US 2015/0219090 A1Guidemaster Manufacturing Corp.
- Swiveling joint for a horse head on a pump jack12 Feb 2015US 2015/0040692 A1OEMic, Inc.
- Low Profile Rod Pumping Unit with Pneumatic Counterbalance for the Active Control of the Rod String21 Nov 2013US 2013/0306326 A1Lufkin Industries, Inc.
- Beam pumping unit for inclined wellhead9 Feb 2012US 2012/0031208 A1Lufkin Industries, Inc.
Most cited
By later US patents
- Turbogenerator power control system103US 6,265,786 B1Capstone Turbine Corporation · 2001
- Pump62US 4,411,313 ALiquid Level Lectronics, Inc. · 1983
- Off-vertical pumping unit48US 4,603,592 ALegrand Industries Ltd. · 1986
- Method and apparatus for detecting well pump-off39US 4,487,061 AFMC Corporation · 1984
- Well pumping systems23US 4,997,346 AAtlantic Richfield Company · 1991