F04B 7/0076
The members being actuated by electro-magnetic means
Official title: {the members being actuated by electro-magnetic means}
F04B7/0076 (The members being actuated by electro-magnetic means) appears on 208 US grants and 226 published applications in this corpus.
Search patents in F04B- Granted patents
- 208
- Published applications
- 226
- Assignees
- 136
- Inventors
- 456
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 1 | 6 |
| 2008 | 1 | 0 |
| 2009 | 3 | 8 |
| 2010 | 4 | 8 |
| 2011 | 1 | 13 |
| 2012 | 8 | 12 |
| 2013 | 5 | 2 |
| 2014 | 5 | 15 |
| 2015 | 10 | 12 |
| 2016 | 9 | 12 |
| 2017 | 13 | 12 |
| 2018 | 10 | 17 |
| 2019 | 12 | 22 |
| 2020 | 19 | 18 |
| 2021 | 14 | 15 |
| 2022 | 15 | 10 |
| 2023 | 11 | 11 |
| 2024 | 4 | 8 |
| 2025 | 14 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Controlling suction valves of a fluid pump18 Aug 2026US 12,710,035 B2SPM Oil & Gas Inc.
- Compact opposed pump19 May 2026US 12,631,164 B2Cummins-Scania HPCR System, LLC
- Hydraulic circuit arrangement and control system for ganged electronically-commutated pumps10 Feb 2026US 12,546,305 B2Danfoss Power Solutions Inc.
- Electromagnetic attraction on the flow sleeve of TRSVS20 Jan 2026US 12,529,284 B2Halliburton Energy Services.Inc.
- Hydraulically actuated double-acting positive displacement pump system for producing fluids from a wellbore9 Dec 2025US 12,492,620 B2PMC Pumps Inc.
- Compact opposed pump23 Jul 2026US 2026/0210342 A1Cummins-Scania HPCR System, LLC
- Systems and methods for operation modes for an air compressor18 Jun 2026US 2026/0168487 A1Doosan Bobcat North America, Inc.
- Controlling suction valves of a fluid pump28 May 2026US 2026/0146602 A1SPM Oil & Gas Inc.
- Pump assembly16 Apr 2026US 2026/0102313 A1Rapid Reboot Recovery Products LLC
- Controlling suction valves of a fluid pump18 Dec 2025US 2025/0382956 A1SPM Oil & Gas Inc.
Most cited
By later US patents
- Solution pumping system including disposable pump cassette343US 5,062,774 AAbbott Laboratories · 1991
- Solution pumping system with compressible pump cassette325US 5,098,262 AAbbott Laboratories · 1992
- Pump apparatus for biomedical use287US 5,205,819 ABespak PLC · 1993
- Peristaltic pump tube cassette for blood processing systems213US 5,462,416 ABaxter International Inc. · 1995
- Micro pump powered by piezoelectric disk benders168US 3,963,380 A1976