F04B 9/02
The means being mechanical
Official title: the means being mechanical
F04B9/02 (The means being mechanical) appears on 1,402 US grants and 1,384 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,402
- Published applications
- 1,384
- Assignees
- 798
- Inventors
- 2,647
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 27 | 0 |
| 1978 | 26 | 0 |
| 1979 | 15 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 19 | 0 |
| 1993 | 21 | 0 |
| 1994 | 16 | 0 |
| 1995 | 14 | 0 |
| 1996 | 21 | 0 |
| 1997 | 27 | 0 |
| 1998 | 20 | 0 |
| 1999 | 24 | 0 |
| 2000 | 25 | 0 |
| 2001 | 20 | 5 |
| 2002 | 15 | 16 |
| 2003 | 13 | 5 |
| 2004 | 12 | 22 |
| 2005 | 7 | 25 |
| 2006 | 13 | 20 |
| 2007 | 8 | 18 |
| 2008 | 13 | 21 |
| 2009 | 7 | 32 |
| 2010 | 14 | 29 |
| 2011 | 27 | 20 |
| 2012 | 19 | 45 |
| 2013 | 23 | 53 |
| 2014 | 28 | 54 |
| 2015 | 44 | 73 |
| 2016 | 38 | 77 |
| 2017 | 47 | 88 |
| 2018 | 67 | 102 |
| 2019 | 107 | 97 |
| 2020 | 69 | 86 |
| 2021 | 77 | 114 |
| 2022 | 85 | 91 |
| 2023 | 72 | 90 |
| 2024 | 67 | 82 |
| 2025 | 81 | 70 |
| 2026 | 61 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotating reciprocating piston pump with a barrel cam6 Oct 2026US 12,753,745 B2HTI Technology and Industries, Inc.
- Long stroke parallel pump6 Oct 2026US 12,753,746 B2National Oilwell Varco, L. P.
- Electric cylinder device6 Oct 2026US 12,753,747 B2Advics Co., Ltd.
- Syringe pump6 Oct 2026US 12,753,756 B2Fluid Metering, Inc.
- Pumping assembly29 Sep 2026US 12,746,560 B2Graco Minnesota Inc.
- Long stroke parallel pump1 Oct 2026US 2026/0298218 A1National Oilwell Varco, L. P.
- Reusable fluid pumping device1 Oct 2026US 2026/0298219 A1CareFusion 303, Inc.
- Piston-cylinder assembly for a radial piston compressor, and radial piston compressor24 Sep 2026US 2026/0286945 A1thyssenkrupp AG
- Power end of reciprocating pump24 Sep 2026US 2026/0286955 A1Gd Energy Products, LLC
- Drive mechanism for positive displacement pumps17 Sep 2026US 2026/0273173 A1Insulet Corporation
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
- Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations265US 10,378,326 B2Typhon Technology Solutions, LLC · 2019
- Disposable ambulatory microprocessor controlled volumetric pump249US 5,807,075 ASarcos Corp. · 1998
- Pump for a portable ventilator226US 4,493,614 ALifecare Services, Inc. · 1985