F04C 11/006
Having complementary function
Official title: {having complementary function}
F04C11/006 (Having complementary function) appears on 42 US grants and 48 published applications in this corpus.
Search patents in F04C- Granted patents
- 42
- Published applications
- 48
- Assignees
- 44
- Inventors
- 106
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 5 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 4 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 4 |
| 2016 | 0 | 6 |
| 2017 | 5 | 5 |
| 2018 | 3 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric diaphragm pump with offset slider crank28 Apr 2026US 12,612,911 B2Ingersoll-Rand Industrial U.S., Inc.
- Electric motor with dual pump for providing scavenge and delivery functions8 Apr 2025US 12,270,396 B2GHSP, Inc.
- Electric diaphragm pump with offset slider crank5 Dec 2023US 11,835,043 B2Ingersoll-Rand Industrial U.S., Inc.
- Diaphragm pump with heat dissipation mechanism3 Jan 2023US 11,542,934 B2Mighty Spraying Technology Co., Ltd.
- Electric diaphragm pump with offset slider crank6 Sep 2022US 11,434,902 B2Ingersoll-Rand Industrial U.S., Inc.
- Pump arrangement28 Aug 2025US 2025/0270994 A1Valeo Embrayages
- Electric motor with dual pump for providing scavenge and delivery functions26 Sep 2024US 2024/0318650 A1GHSP, Inc.
- Electric diaphragm pump with offset slider crank29 Feb 2024US 2024/0068471 A1Ingersoll-Rand Industrial U.S., Inc.
- Transfer Device For Food Material22 Jun 2023US 2023/0189824 A1Rheon Automatic Machinery Co., Ltd.
- Electric diaphragm pump with offset slider crank20 Oct 2022US 2022/0333596 A1Ingersoll-Rand Industrial U.S., Inc.
Most cited
By later US patents
- Dual pump unit55US 6,361,282 B1Brueninghaus Hydromatik GmbH · 2002
- Fuel pumping unit9US 10,138,816 B2ROLLS-ROYCE plc · 2018
- Rotary engine with counter-rotating housing and output shaft mounted on stationary spindle9US 6,761,144 B22004
- Charge pump for a hydrostatic transmission9US 7,007,468 B1Hydro-Gear Limited Partnership · 2006
- Turbine-driven rotary pump8US 4,913,631 AS. A. Dragages Decloedt and Fils · 1990