F15C 3/00
Circuit elements having moving parts
Official title: Circuit elements having moving parts (valves, construction of valves F16K)
F15C3/00 (Circuit elements having moving parts) appears on 208 US grants and 69 published applications in this corpus.
Search patents in F15C- Granted patents
- 208
- Published applications
- 69
- Assignees
- 130
- Inventors
- 342
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 17 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 4 |
| 2002 | 6 | 8 |
| 2003 | 3 | 3 |
| 2004 | 5 | 4 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 9 |
| 2009 | 1 | 2 |
| 2010 | 3 | 3 |
| 2011 | 1 | 1 |
| 2012 | 3 | 0 |
| 2013 | 3 | 4 |
| 2014 | 1 | 2 |
| 2015 | 4 | 3 |
| 2016 | 1 | 2 |
| 2017 | 5 | 4 |
| 2018 | 1 | 3 |
| 2019 | 6 | 2 |
| 2020 | 4 | 2 |
| 2021 | 7 | 3 |
| 2022 | 5 | 1 |
| 2023 | 0 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15C 3/04Circuit elements having moving parts: using diaphragms86
- F15C 3/10Circuit elements having moving parts: using nozzles or jet pipes58
- F15C 3/02Circuit elements having moving parts: using spool valves19
- F15C 3/06Circuit elements having moving parts: using balls or pill-shaped disks13
- F15C 3/16Oscillators9
- F15C 3/002Circuit elements having moving parts: using fluid droplets or similar deformable bodies8
- F15C 3/005Circuit elements having moving parts: using loose plates or foils6
- F15C 3/08Circuit elements having moving parts: using reeds1
All 9 subgroupsShow fewer
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
- System and method for controlling fluid flow with a pressure relief valve5 Mar 2024US 11,921,525 B1Pratt & Whitney Canada Corp.
- Fluidic devices and related methods and wearable devices6 Dec 2022US 11,519,511 B1Meta Platforms Technologies, LLC
- Complementary fluidic valves and systems25 Oct 2022US 11,480,262 B1Meta Platforms 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
- Methods and systems for fluid control in microfluidic devices236US 6,575,188 B2HandyLab, Inc. · 2003
- Shape memory alloy film actuated microvalve234US 5,325,880 ATiNi Alloy Company · 1994
- Valve control221US 5,775,371 AAbbott Laboratories · 1998
- Methods and systems for processing microfluidic samples of particle containing fluids214US 7,270,786 B2HandyLab, Inc. · 2007