F04B 9/042
The means being cams
Official title: {the means being cams}
F04B9/042 (The means being cams) appears on 367 US grants and 384 published applications in this corpus.
Search patents in F04B- Granted patents
- 367
- Published applications
- 384
- Assignees
- 234
- Inventors
- 789
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 7 |
| 2003 | 4 | 1 |
| 2004 | 4 | 3 |
| 2005 | 1 | 3 |
| 2006 | 4 | 1 |
| 2007 | 1 | 5 |
| 2008 | 2 | 6 |
| 2009 | 0 | 10 |
| 2010 | 2 | 12 |
| 2011 | 7 | 6 |
| 2012 | 8 | 14 |
| 2013 | 5 | 12 |
| 2014 | 5 | 19 |
| 2015 | 17 | 27 |
| 2016 | 18 | 32 |
| 2017 | 14 | 31 |
| 2018 | 29 | 29 |
| 2019 | 31 | 31 |
| 2020 | 22 | 17 |
| 2021 | 20 | 27 |
| 2022 | 16 | 20 |
| 2023 | 12 | 22 |
| 2024 | 18 | 25 |
| 2025 | 19 | 13 |
| 2026 | 19 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Valveless, mechanical, pressure regulating pump14 Jul 2026US 12,680,534 B2Dana Italia S.R.L.
- Piston pump and method of manufacturing the same7 Jul 2026US 12,674,442 B2
- Reusable fluid pumping device7 Jul 2026US 12,674,446 B2CareFusion 303, Inc.
- Reusable fluid pumping device1 Oct 2026US 2026/0298219 A1CareFusion 303, Inc.
- Hydraulic machine6 Aug 2026US 2026/0226967 A1Danfoss Scotland Limited
- Hydraulic tool pump30 Jul 2026US 2026/0216855 A1Milwaukee Electric Tool Corporation
- High Pressure Fuel Pump With Configuration To Mitigate Cavitation9 Jul 2026US 2026/0194033 A1
- Gas supply pump for ship dual fuel engine21 May 2026US 2026/0139646 A1Hd Korea Shipbuilding & Offshore Engineering Co., Ltd.
Most cited
By later US patents
- Nonpulsating IV pump and disposable pump chamber393US 4,236,880 AArchibald Development Labs, Inc. · 1980
- IV Pump with empty supply reservoir and occlusion detector290US 4,277,226 AAVI, Inc. · 1981
- Intravenous liquid pumping system and method191US 4,468,222 AValleylab, Inc. · 1984
- Nonpulsating TV pump and disposable pump chamber172US 4,410,322 AAVI, Inc. · 1983
- Well service pump systems having offset wrist pins156US 5,839,888 AGeological Equipment Corp. · 1998