F04C 27/002
Of rigid material
Official title: {of rigid material}
F04C27/002 (Of rigid material) appears on 20 US grants and 23 published applications in this corpus.
Search patents in F04C- Granted patents
- 20
- Published applications
- 23
- Assignees
- 16
- Inventors
- 51
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Rotary piston compressor7 Oct 2025US 12,435,720 B2
- Vacuum pump12 Aug 2025US 12,385,489 B2Milwaukee Electric Tool Corporation
- Non-lubricated compressor with abradable sealing element and related method for assembling it1 Jul 2025US 12,345,262 B2Atlas Copco Airpower, Naamloze Vennootschap
- Scroll pump with a plurality of bellows sealing a plurality of adjustment members2 Jul 2024US 12,025,128 B2Edwards Limited
- Screw compressor22 Jan 2026US 2026/0022701 A1Daikin Industries, Ltd.
- Vacuum pump27 Nov 2025US 2025/0361865 A1Milwaukee Electric Tool Corporation
- Non-lubricated compressor with abradable sealing element and related method for assembling it26 Dec 2024US 2024/0426300 A1Atlas Copco Airpower, Naamloze Vennootschap
- Rotary piston compressor7 Nov 2024US 2024/0369061 A1
- Vacuum pump5 Oct 2023US 2023/0313803 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Rotary trochoidal compressor38US 4,018,548 ACurtiss-Wright Corporation · 1977
- Scroll type compressor having tip seals and a scroll coating layer13US 6,783,338 B2Kabushiki Kaisha Toyota Jidoshokki · 2004
- Variable diffuser with axially translating end wall for a centrifugal compressor6US 10,753,370 B2ROLLS-ROYCE plc · 2020
- Compressor4US 6,866,491 B22005
- Scroll fluid machine having projections on a wrap peripheral surface2US 6,808,373 B2Tokico Ltd. · 2004