F04C 11/003
Having complementary function
Official title: {having complementary function}
F04C11/003 (Having complementary function) appears on 68 US grants and 72 published applications in this corpus.
Search patents in F04C- Granted patents
- 68
- Published applications
- 72
- Assignees
- 59
- Inventors
- 156
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 7 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 5 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 5 |
| 2016 | 1 | 7 |
| 2017 | 3 | 13 |
| 2018 | 7 | 8 |
| 2019 | 7 | 2 |
| 2020 | 3 | 3 |
| 2021 | 6 | 3 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 4 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual gerotor apparatus, a powertrain assembley and an electrified vehicle27 May 2025US 12,313,067 B2Valeo Powertrain (Nanjing) Co., Ltd.
- Gerotor pump as for a transmission17 Sep 2024US 12,092,201 B2Deere & Company
- System to pump fluid and control thereof13 Aug 2024US 12,060,878 B2Project Phoenix, LLC
- System and method of controlling single or dual pump operation5 Dec 2023US 11,834,940 B1Halliburton Energy Services.Inc.
- Demand fuel systems for turbomachines3 Oct 2023US 11,773,847 B2Hamilton Sundstrand Corporation
- External gear and rotor hybrid pump18 Sep 2025US 2025/0290509 A1Roper Pump Company
- Double-Flow Pump7 Nov 2024US 2024/0369066 A1ITT Bornemann GmbH
- Gear Pump1 Aug 2024US 2024/0254988 A1Nidec Gpm GmbH
- Electric Pump And Compressor Assembly, Systems Comprising Same, And Methods Of Using Same13 Jun 2024US 2024/0191707 A1Nott Company
- A dual gerotor apparatus, a powertrain assembley and an electrified vehicle11 Jan 2024US 2024/0011483 A1Valeo Powertrain (Nanjing) Co., Ltd.
Most cited
By later US patents
- Oil cooling apparatus for refrigeration screw compressor77US 4,419,865 AVilter Manufacturing Corporation · 1983
- Well production apparatus and method63US 6,454,010 B1Pan Canadian Petroleum Limited · 2002
- Standby water-powered basement sump pump49US 4,552,512 APermutare Corporation · 1985
- Hydraulically operated downhole oil well pump35US 4,386,654 A1983
- Device for delivering flowable material27US 4,614,232 ANorton Christensen, Inc. · 1986