F04B 27/10
Having stationary cylinders
Official title: having stationary cylinders
F04B27/10 (Having stationary cylinders) appears on 1,047 US grants and 812 published applications in this corpus.
Search patents in F04B- Granted patents
- 1,047
- Published applications
- 812
- Assignees
- 237
- Inventors
- 1,317
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 13 | 0 |
| 1982 | 6 | 0 |
| 1983 | 15 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 19 | 0 |
| 1989 | 25 | 0 |
| 1990 | 14 | 0 |
| 1991 | 20 | 0 |
| 1992 | 22 | 0 |
| 1993 | 22 | 0 |
| 1994 | 20 | 0 |
| 1995 | 25 | 0 |
| 1996 | 27 | 0 |
| 1997 | 27 | 0 |
| 1998 | 36 | 0 |
| 1999 | 34 | 0 |
| 2000 | 51 | 0 |
| 2001 | 52 | 29 |
| 2002 | 60 | 70 |
| 2003 | 57 | 58 |
| 2004 | 26 | 67 |
| 2005 | 29 | 57 |
| 2006 | 27 | 40 |
| 2007 | 26 | 37 |
| 2008 | 23 | 45 |
| 2009 | 12 | 44 |
| 2010 | 20 | 44 |
| 2011 | 17 | 25 |
| 2012 | 22 | 14 |
| 2013 | 15 | 19 |
| 2014 | 14 | 34 |
| 2015 | 17 | 63 |
| 2016 | 25 | 31 |
| 2017 | 38 | 31 |
| 2018 | 24 | 20 |
| 2019 | 20 | 22 |
| 2020 | 18 | 15 |
| 2021 | 16 | 23 |
| 2022 | 16 | 9 |
| 2023 | 8 | 6 |
| 2024 | 13 | 5 |
| 2025 | 5 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compressor assembly for an apparatus for inflating and/or repairing inflatable items or products as needed28 Apr 2026US 12,612,903 B2Illinois Tool Works Inc.
- Reciprocating pump power end with monolithic core27 Jan 2026US 12,535,069 B2Gd Energy Products, LLC
- Multi-cylinder reciprocating compressor13 Jan 2026US 12,523,220 B2Officine Mario Dorin S.P.A.
- Variable displacement swash plate type compressor23 Sep 2025US 12,421,948 B2Hanon Systems
- Variable displacement swash plate type compressor and control method16 Sep 2025US 12,416,302 B2Hanon Systems
- Reciprocating pump power end with monolithic core21 May 2026US 2026/0139668 A1Gd Energy Products, LLC
- Reciprocating pump power end with monolithic core25 Dec 2025US 2025/0389269 A1Gd Energy Products, LLC
- Drive system for a positive displacement pump26 Jun 2025US 2025/0207575 A1Graco Minnesota Inc.
- Compressor Assembly for an Apparatus for Inflating and/or Repairing Inflatable Items or Products as Needed6 Feb 2025US 2025/0043777 A1Illinois Tool Works Inc.
- Refrigerant compressor12 Dec 2024US 2024/0410360 A1BITZER Kuehlmaschinenbau GmbH
Most cited
By later US patents
- Piston type compressor with improved suction reed valve stopper116US 4,749,340 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1988
- Variable stroke compressor74US 4,061,443 AGeneral Motors Corporation · 1977
- Wind powered fluid compressor62US 4,008,006 A1977
- Air bedding system with diaphragm pump62US 5,606,756 APrice Manufacturing, Inc. · 1997
- Variable displacement compressor59US 4,073,603 ABorg-Warner Corporation · 1978