F16K 99/0057
The fluid being the circulating fluid itself
Official title: {the fluid being the circulating fluid itself, e.g. check valves}
F16K99/0057 (The fluid being the circulating fluid itself) appears on 218 US grants and 233 published applications in this corpus.
Search patents in F16K- Granted patents
- 218
- Published applications
- 233
- Assignees
- 130
- Inventors
- 460
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 4 |
| 2002 | 6 | 13 |
| 2003 | 8 | 8 |
| 2004 | 10 | 13 |
| 2005 | 4 | 10 |
| 2006 | 5 | 18 |
| 2007 | 5 | 10 |
| 2008 | 5 | 9 |
| 2009 | 6 | 10 |
| 2010 | 4 | 13 |
| 2011 | 10 | 15 |
| 2012 | 13 | 7 |
| 2013 | 9 | 8 |
| 2014 | 13 | 12 |
| 2015 | 7 | 6 |
| 2016 | 7 | 9 |
| 2017 | 8 | 7 |
| 2018 | 8 | 11 |
| 2019 | 12 | 11 |
| 2020 | 2 | 7 |
| 2021 | 12 | 8 |
| 2022 | 6 | 8 |
| 2023 | 6 | 4 |
| 2024 | 7 | 9 |
| 2025 | 9 | 2 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drain valve for battery box, battery, electric apparatus, and drainage method11 Aug 2026US 12,706,359 B2Contemporary Amperex Technology Co., Limited
- Valve, in particular for a device for administering a liquid medicament, and a corresponding device for administering a liquid medicament30 Jun 2026US 12,667,710 B2
- Agricultural sampling system and related methods2 Jun 2026US 12,644,877 B2Precision Planting LLC
- Multifunctional soft diode for artificial systems2 Jun 2026US 12,645,909 B2Board of Regents, The University of Texas System
- Programmable CSF metering shunt26 May 2026US 12,636,471 B2CSFRefresh Incorporated
- Low force valves for drug delivery pumps22 Jan 2026US 2026/0022773 A1Insulet Corporation
- Real-time polymerase chain reaction analysis plate13 Feb 2025US 2025/0050338 A1Bioneer Corporation
- Microfluidic systems for multiple bioreactors and applications of same6 Feb 2025US 2025/0041854 A1Vanderbilt University
- Drain valve for battery box, battery, electric apparatus, and drainage method28 Nov 2024US 2024/0396190 A1Contemporary Amperex Technology Co., Limited
- Agricultural sampling system and related methods14 Nov 2024US 2024/0377377 A1Precision Planting LLC
Most cited
By later US patents
- Membrane pump with stretchable pump membrane348US 6,948,918 B2Novo Nordisk A/S · 2005
- Miniature valve and method of making same253US 4,585,209 A1986
- Micropumps with fixed valves247US 5,876,187 AUniversity of Washington · 1999
- Flow control in multi-stream microfluidic devices238US 6,499,499 B2Nanostream, Inc. · 2002
- Micromachined fluid handling devices206US 5,839,467 AResearch International, Inc. · 1998