F04B 27/0451
Particularities relating to the distribution members
Official title: {Particularities relating to the distribution members (F04B27/0472, F04B27/0531 and F04B27/0535 take precedence)}
F04B27/0451 (Particularities relating to the distribution members) appears on 17 US grants and 22 published applications in this corpus.
Search patents in F04B- Granted patents
- 17
- Published applications
- 22
- Assignees
- 21
- Inventors
- 51
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 4 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotary multi-cylinder gas compressor25 Aug 2026US 12,716,406 B1
- Reciprocating-type compressor for refrigeration and/or conditioning and/or heat pump system17 Sep 2024US 12,092,373 B2Officine Mario Dorin S.P.A.
- Single piece valve plate assembly for a reciprocating compressor, the valve plate assembly including a valve plate and a suction valve retainer that are integrally formed as a unitary body25 Jun 2024US 12,018,665 B2Copeland Corporation
- Dual motor compressor15 Nov 2022US 11,499,538 B2Wood Industries, Inc.
- Single piece valve plate assembly for a reciprocating compressor31 Aug 2021US 11,105,326 B2Emerson Climate Technologies, Inc.
- Reed valve assembly for a radial piston compressor, radial piston compressor, and method for mounting a reed valve assembly on a radial piston compressor10 Sep 2026US 2026/0266275 A1thyssenkrupp AG
- Oil-free air compressor and vehicle2 Jul 2026US 2026/0185513 A1Zhejiang Ruili Air Copressor Equipment Co., Ltd.
- Reciprocating compressor with non-self-actuated suction valve8 May 2025US 2025/0146483 A1Heaten AS
- Labyrinth piston compressor30 Dec 2021US 2021/0404454 A1Burckhardt Compression AG
- Single piece valve plate assembly for a reciprocating compressor, the valve plate assembly including a valve plate and a suction valve retainer that are integrally formed as a unitary body16 Dec 2021US 2021/0388828 A1Emerson Climate Technologies, Inc.
Most cited
By later US patents
- Compressor valve health monitor71US 9,759,213 B2Computational Systems, Inc. · 2017
- Radial piston compressor9US 4,465,436 ASiemens Aktiengesellschaft · 1984
- Pumping device5US 9,624,918 B2Invacare Corporation · 2017
- Radial piston machine having working fluid passing through the crankcase3US 5,237,907 APPV-Verwaltungs-AG · 1993
- Methods and systems for valve leak simulation3US 8,161,800 B2General Electric Company · 2012