F04B 47/06
Pumps or pumping installations specially adapted for raising fluids from great depths
Official title: having motor-pump units situated at great depth
F04B47/06 (Pumps or pumping installations specially adapted for raising fluids from great depths) appears on 580 US grants and 514 published applications in this corpus.
Search patents in F04B- Granted patents
- 580
- Published applications
- 514
- Assignees
- 240
- Inventors
- 959
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 12 | 0 |
| 1984 | 17 | 0 |
| 1985 | 17 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 4 |
| 2003 | 5 | 4 |
| 2004 | 4 | 6 |
| 2005 | 8 | 11 |
| 2006 | 3 | 14 |
| 2007 | 6 | 12 |
| 2008 | 7 | 14 |
| 2009 | 6 | 9 |
| 2010 | 10 | 16 |
| 2011 | 9 | 26 |
| 2012 | 11 | 21 |
| 2013 | 20 | 20 |
| 2014 | 21 | 19 |
| 2015 | 14 | 24 |
| 2016 | 12 | 34 |
| 2017 | 13 | 40 |
| 2018 | 29 | 44 |
| 2019 | 33 | 29 |
| 2020 | 32 | 31 |
| 2021 | 29 | 39 |
| 2022 | 39 | 29 |
| 2023 | 26 | 22 |
| 2024 | 26 | 25 |
| 2025 | 26 | 12 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motor power optimization for downhole motors22 Sep 2026US 12,742,450 B2Schlumberger Technology Corporation
- Submersible pumping systems with intake modules having tangential fluid intake ports2 Jun 2026US 12,644,364 B2Baker Hughes Oilfield Operations LLC
- Cable management of electric powered hydraulic fracturing pump unit12 May 2026US 12,624,622 B2U.S. Well Services, LLC
- Downhole sand trap5 May 2026US 12,618,316 B2Saudi Arabian Oil Company
- Magneto-hydraulic plunger pump unit7 Apr 2026US 12,595,792 B2Obschestvo S Organichennoy Otvetstvennostyu “Mg Pamp”
- Downhole Pump23 Jul 2026US 2026/0210222 A1
- Downhole sand trap23 Jul 2026US 2026/0210228 A1Saudi Arabian Oil Company
- Welding surface for bellows and downhole motor11 Jun 2026US 2026/0160247 A1
- Valve and controller for optimization of back pressure on a fluid well2 Apr 2026US 2026/0092506 A1Roam-Ai LLC
- System for dynamic optimization of back pressure on a fluid well19 Mar 2026US 2026/0078659 A1Roam-Ai LLC
Most cited
By later US patents
- Cable management of electric powered hydraulic fracturing pump unit218US 10,036,238 B2U.S. Well Services, LLC · 2018
- Motor drive circuit for pressure control of a pumping system127US 5,580,221 AFranklin Electric Co., Inc. · 1996
- Method and apparatus for controlling a submergible pumping system104US 6,045,333 ACamco International Inc. · 2000
- Bladder pump assembly103US 4,886,432 AEngineering Enterprises, Inc. · 1989
- Extraction system with a pump having an elastic rebound inner tube86US 4,974,674 AWestinghouse Electric Corp. · 1990