F01B 19/02
Positive-displacement machines or engines of flexible-wall type: with plate-like flexible members
Official title: with plate-like flexible members
F01B19/02 (Positive-displacement machines or engines of flexible-wall type: with plate-like flexible members) appears on 34 US grants and 23 published applications in this corpus.
Search patents in F01B- Granted patents
- 34
- Published applications
- 23
- Assignees
- 21
- Inventors
- 47
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 5 |
| 2007 | 1 | 0 |
| 2008 | 4 | 4 |
| 2009 | 0 | 0 |
| 2010 | 4 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy conversion apparatus2 Apr 2024US 11,946,458 B2
- Compressing diaphragm pump with multiple effects17 Apr 2018US 9,945,372 B2
- Apparatus and method for an articulating inner structure of an engine chamber10 Oct 2017US 9,784,180 B2
- Air motor21 Mar 2017US 9,598,958 B2Joe Santa & Associates Pty Limited
- Cryogenic refrigerator26 Apr 2016US 9,322,271 B2Sumitomo Heavy Industries, Ltd.
- Energy conversion apparatus21 Jul 2022US 2022/0228573 A1
- Diaphragm assembly including puller with retaining ledge6 Jun 2019US 2019/0170135 A1Medela Holding AG
- Apparatus and method for an articulating inner structure of an engine chamber10 Mar 2016US 2016/0069257 A1
- Compressing diaphragm pump with multiple effects26 Nov 2015US 2015/0337826 A1
- Journel-less crankshaft and non-friction variable speed transmission with inherent clutch and free spin14 Aug 2014US 2014/0224116 A1
Most cited
By later US patents
- Free-piston regenerative hot gas hydraulic engine48US 4,215,548 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1980
- Pumps with floating wrist pins40US 4,381,179 ALear Siegler, Inc. · 1983
- Backup washers for diaphragms and diaphragm pump incorporating same33US 5,894,784 AIngersoll-Rand Company · 1999
- Piston system for use in an internal combustion engine19US 4,867,121 A1989
- Clamping arrangement for diaphragm piston assembly14US 4,887,516 AAmerican Standard Inc. · 1989