F15C 3/04
Circuit elements having moving parts: using diaphragms
Official title: using diaphragms ({using loose plates or foils F15C3/005}; connection of valves to inflatable elastic bodies B60C29/00)
F15C3/04 (Circuit elements having moving parts: using diaphragms) appears on 86 US grants and 38 published applications in this corpus.
Search patents in F15C- Granted patents
- 86
- Published applications
- 38
- Assignees
- 53
- Inventors
- 164
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 3 |
| 2002 | 0 | 4 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 4 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 4 | 2 |
| 2018 | 0 | 1 |
| 2019 | 4 | 1 |
| 2020 | 2 | 1 |
| 2021 | 3 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microfluidic valves and channels and minifluidic valves and channels enabled soft robotic device, apparel, and method11 Jun 2024US 12,005,593 B2
- Electronics-free pneumatic circuits for controlling a robot28 May 2024US 11,994,152 B2The Regents of the University of California
- Fluidic devices and related methods and wearable devices6 Dec 2022US 11,519,511 B1Meta Platforms Technologies, LLC
- Apparatus and methods for fluidic amplification25 Jan 2022US 11,231,055 B1Facebook Technologies, LLC
- Co-casted fluidic devices21 Dec 2021US 11,204,100 B1Facebook Technologies, LLC
- Sheet-based fluidic diodes for embedded fluidic circuitry in soft devices16 Apr 2026US 2026/0104065 A1William Marsh Rice University
- Fluidic transistors and uses thereof27 Feb 2025US 2025/0065324 A1The General Hospital Corporation
- Microfluidic valves and channels and minifluidic valves and channels enabled soft robotic device, apparel, and method1 Feb 2024US 2024/0033939 A1
- Electronics-free pneumatic circuits for controlling a robot27 Jul 2023US 2023/0235756 A1The Regents of the University of California
- Non-electronic control using pneumatically-actuated transistor logic27 Oct 2022US 2022/0341442 A1President and Fellows of Harvard College
Most cited
By later US patents
- Method of making an integrated, microminiature electric-to-fluidic valve283US 4,966,646 AThe Board of Trustees of the Leland Stanford University · 1990
- Shape memory alloy film actuated microvalve234US 5,325,880 ATiNi Alloy Company · 1994
- Valve control221US 5,775,371 AAbbott Laboratories · 1998
- Valve, especially for fluid handling bodies with microflowchannels188US 5,593,130 APharmacia Biosensor AB · 1997
- Integrated, microminiature electric to fluidic valve and pressure/flow regulator162US 4,943,032 AStanford University · 1990