F04B 53/1077
Flow resistance valves
Official title: {Flow resistance valves, e.g. without moving parts}
F04B53/1077 (Flow resistance valves) appears on 51 US grants and 65 published applications in this corpus.
Search patents in F04B- Granted patents
- 51
- Published applications
- 65
- Assignees
- 43
- Inventors
- 141
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 1 |
| 2007 | 0 | 6 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 3 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 3 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 8 |
| 2021 | 5 | 4 |
| 2022 | 5 | 3 |
| 2023 | 8 | 2 |
| 2024 | 1 | 4 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Piezoelectric MEMS-based active cooling for heat dissipation in compute devices22 Sep 2026US 12,745,638 B2Frore Systems Inc.
- Landfill pump having metered cycling28 Oct 2025US 12,454,965 B2Graco Minnesota Inc.
- Multi-purpose pump25 Feb 2025US 12,233,298 B2
- Virtual valve in a MEMS-based cooling system31 Dec 2024US 12,181,077 B2Frore Systems Inc.
- Mobile phone and other compute device cooling architecture28 Nov 2023US 11,830,789 B2Frore Systems Inc.
- A one-way pumping device and its application device29 Jan 2026US 2026/0028982 A1
- Landfill pump having metered cycling20 Mar 2025US 2025/0092884 A1Q.E.D. Environmental Systems, Inc.
- Virtual valve in a mems-based cooling system6 Mar 2025US 2025/0075825 A1
- Piezoelectric mems-based active cooling for heat dissipation in compute devices11 Jul 2024US 2024/0234247 A9Frore Systems Inc.
- Multi-purpose pump2 May 2024US 2024/0139565 A1
Most cited
By later US patents
- Micropump316US 5,759,014 AWestonbridge International Limited · 1998
- Micropumps with fixed valves247US 5,876,187 AUniversity of Washington · 1999
- Method for making micropumps131US 6,227,809 B1University of Washington · 2001
- Displacement pump of the diaphragm type having fixed geometry flow control means82US 6,203,291 B12001
- Piezoelectric micro-blower66US 8,678,787 B2Murata Manufacturing Co., Ltd. · 2014