F04B 27/0821
Component parts, details
Official title: {component parts, details, e.g. valves, sealings, lubrication}
F04B27/0821 (Component parts, details) appears on 87 US grants and 103 published applications in this corpus.
Search patents in F04B- Granted patents
- 87
- Published applications
- 103
- Assignees
- 60
- Inventors
- 249
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 3 |
| 2003 | 4 | 4 |
| 2004 | 0 | 4 |
| 2005 | 2 | 7 |
| 2006 | 0 | 4 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 5 |
| 2010 | 2 | 2 |
| 2011 | 2 | 5 |
| 2012 | 1 | 3 |
| 2013 | 0 | 7 |
| 2014 | 2 | 10 |
| 2015 | 4 | 12 |
| 2016 | 9 | 6 |
| 2017 | 10 | 5 |
| 2018 | 4 | 4 |
| 2019 | 5 | 5 |
| 2020 | 7 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 4 |
| 2023 | 3 | 1 |
| 2024 | 5 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Straight axis variable displacement piston pump with rotating swash plate14 Apr 2026US 12,601,333 B2Hamilton Sundstrand Corporation
- Method for producing a water-hydraulic machine24 Mar 2026US 12,584,470 B2Danfoss A/S
- Capacity control valve31 Dec 2024US 12,180,950 B2Eagle Industry Co., Ltd.
- Pump body assembly and fluid machine3 Dec 2024US 12,158,139 B2Gree Electric Appliances, Inc. of Zhuhai
- Reciprocating-type compressor for refrigeration and/or conditioning and/or heat pump system17 Sep 2024US 12,092,373 B2Officine Mario Dorin S.P.A.
- Piston pump with pistons, crank rods, and ball joints17 Sep 2026US 2026/0275975 A1Lear Corporation
- Compressor10 Sep 2026US 2026/0266277 A1Sanden Corporation
- Straight axis variable displacement piston pump with rotating swash plate25 Dec 2025US 2025/0389259 A1Hamilton Sundstrand Corporation
- Pump body assembly and fluid machine25 May 2023US 2023/0160376 A1Gree Electric Appliances, Inc. of Zhuhai
- Capacity control valve7 Jul 2022US 2022/0213877 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Multiple axis rotary compressor48US 5,304,043 AAvMed Compressor Corporation · 1994
- Guiding mechanism for reciprocating piston of piston type compressor45US 5,382,139 AKabushiki Kaisha Toyoda Jodoshokki Seisakusho · 1995
- Axial multi-piston compressor having rotary valve for allowing residual part of compressed fluid to escape19US 5,501,579 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1996
- Hybrid nutating pump18US 7,451,687 B2Thomas Industries, Inc. · 2008
- Reciprocating-piston type refrigerant compressor with an improved rotary-type suction-valve mechanism16US 5,385,450 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1995