F01B 19/04
Positive-displacement machines or engines of flexible-wall type: with tubular flexible members
Official title: with tubular flexible members
F01B19/04 (Positive-displacement machines or engines of flexible-wall type: with tubular flexible members) appears on 29 US grants and 20 published applications in this corpus.
Search patents in F01B- Granted patents
- 29
- Published applications
- 20
- Assignees
- 19
- Inventors
- 53
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 4 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pulsating pneumatic motor26 Aug 2025US 12,398,643 B2
- Hydrostatic pressure to kinetic energy conversion system27 May 2025US 12,313,028 B2
- Controlling multiple eversion-based actuators19 Nov 2024US 12,146,511 B2Electronics for Imaging, Inc.
- Actuator21 Nov 2023US 11,821,114 B2Bridgestone Corporation
- Energy harvesting heat engine and actuator18 Oct 2022US 11,473,525 B2Synergy Power LLC
- Controlling multiple eversion-based actuators6 Mar 2025US 2025/0075713 A1
- Pulsating pneumatic motor31 Oct 2024US 2024/0360763 A1Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences
- Controlling multiple eversion-based actuators25 Jul 2024US 2024/0247665 A1Electronics for Imaging, Inc.
- Active reeling and steering control of a vine robot9 May 2024US 2024/0151144 A1The Regents of the University of California
- A hydrostatic pressure to kinetic energy conversion system11 Jan 2024US 2024/0011458 A1
Most cited
By later US patents
- Actuator using elastic extensible member28US 5,158,005 ABridgestone Corporation · 1992
- Apparatus and method for energy generation within a tire27US 7,285,868 B22007
- All-elastomer fluid-pressure-actuatable twistors and twistor drive assemblies19US 5,090,297 A1992
- Marine propulsion device14US 6,352,455 B12002
- Peristaltic motors12US 4,309,150 A1982