F03C 7/00
Engines of flexible-wall type
F03C7/00 (Engines of flexible-wall type) appears on 13 US grants and 2 published applications in this corpus.
Search patents in F03C- Granted patents
- 13
- Published applications
- 2
- Assignees
- 10
- Inventors
- 17
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrostatic pressure to kinetic energy conversion system27 May 2025US 12,313,028 B2
- Integrated system for optimal continuous extraction of potential energy derived from waves28 Dec 2021US 11,208,980 B1University of North Florida Board of Trustees
- Peristaltic motor and pump combination3 Mar 2020US 10,578,095 B2Hamilton Sundstrand Corporation
- Electrochemical actuator and method of making same30 Sep 1997US 5,671,905 A
- Hose piston for transporting external objects along a flexible hose19 Aug 1997US 5,657,682 A
Most cited
By later US patents
- Electrochemical actuator and method of making same51US 5,671,905 A1997
- Pumping system using solar energy37US 3,937,599 AAgence Nationale de Valorisation de la Recherche (ANVAR) · 1976
- Peristaltic motor28US 4,997,347 AAutotrol Corporation · 1991
- Motors11US 3,973,471 AInventa AG fur Forschung und Patentverwertung, Zurich · 1976
- Peristaltic down-hole drilling motor7US 4,576,242 AShell Oil Company · 1986