F16K 15/023
The valve member consisting only of a predominantly disc-shaped flat element
Official title: {the valve member consisting only of a predominantly disc-shaped flat element}
F16K15/023 (The valve member consisting only of a predominantly disc-shaped flat element) appears on 115 US grants and 136 published applications in this corpus.
Search patents in F16K- Granted patents
- 115
- Published applications
- 136
- Assignees
- 104
- Inventors
- 280
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 5 |
| 2010 | 0 | 4 |
| 2011 | 3 | 1 |
| 2012 | 3 | 3 |
| 2013 | 1 | 4 |
| 2014 | 5 | 5 |
| 2015 | 2 | 9 |
| 2016 | 3 | 12 |
| 2017 | 7 | 11 |
| 2018 | 9 | 15 |
| 2019 | 9 | 12 |
| 2020 | 15 | 6 |
| 2021 | 8 | 12 |
| 2022 | 7 | 6 |
| 2023 | 7 | 6 |
| 2024 | 8 | 3 |
| 2025 | 5 | 7 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Check valve and scroll compressor30 Dec 2025US 12,510,078 B1BITZER Refrigeration Technology (China) Co., Ltd.
- Dual air admittance valve21 Oct 2025US 12,448,762 B2
- Stepped check valves5 Aug 2025US 12,379,037 B2CareFusion 303, Inc.
- Fluidic control valve18 Feb 2025US 12,228,222 B2Regents of the University of Minnesota
- Selective laser etching of layered fluidistors18 Feb 2025US 12,229,340 B2Meta Platforms Technologies, LLC
- Dual air admittance valve26 Mar 2026US 2026/0085507 A1
- Check valve and scroll compressor1 Jan 2026US 2026/0002535 A1BITZER Refrigeration Technology (China) Co., Ltd.
- Stepped check valves20 Nov 2025US 2025/0354618 A1CareFusion 303, Inc.
- Low water hammer break check valve2 Oct 2025US 2025/0305589 A1Mueller International, LLC
- Check valve and compact pump system3 Jul 2025US 2025/0215984 A1Equilibar, LLC
Most cited
By later US patents
- Parenteral apparatus with one-way valve170US 4,005,710 AAbbott Laboratories · 1977
- Low actuation pressure unidirectional flow valve72US 5,727,594 A1998
- Medical administration set with backflow check valve64US 4,354,492 AAmerican Hospital Supply Corporation · 1982
- Connector for transferring fluid and method of use61US 9,393,398 B2CareFusion 303, Inc. · 2016
- Incentive spirometer49US 4,391,283 AWhitman Medical Corporation · 1983