F16K 15/021
The valve member being a movable body around which the medium flows
Official title: {the valve member being a movable body around which the medium flows when the valve is open (F16K15/025 - F16K15/12 take precedence)}
F16K15/021 (The valve member being a movable body around which the medium flows) appears on 255 US grants and 275 published applications in this corpus.
Search patents in F16K- Granted patents
- 255
- Published applications
- 275
- Assignees
- 208
- Inventors
- 594
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 4 |
| 2003 | 6 | 6 |
| 2004 | 4 | 2 |
| 2005 | 1 | 4 |
| 2006 | 3 | 3 |
| 2007 | 1 | 5 |
| 2008 | 1 | 3 |
| 2009 | 4 | 8 |
| 2010 | 3 | 7 |
| 2011 | 3 | 1 |
| 2012 | 3 | 7 |
| 2013 | 2 | 7 |
| 2014 | 9 | 11 |
| 2015 | 5 | 16 |
| 2016 | 8 | 22 |
| 2017 | 12 | 27 |
| 2018 | 15 | 31 |
| 2019 | 32 | 23 |
| 2020 | 22 | 20 |
| 2021 | 16 | 21 |
| 2022 | 18 | 14 |
| 2023 | 15 | 11 |
| 2024 | 12 | 8 |
| 2025 | 11 | 11 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tire inflation apparatus14 Jul 2026US 12,679,150 B2
- Valve component24 Mar 2026US 12,584,479 B2Gd Energy Products, LLC
- Check valve and scroll compressor30 Dec 2025US 12,510,078 B1BITZER Refrigeration Technology (China) Co., Ltd.
- Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valve23 Dec 2025US 12,502,727 B2Hitachi-GE Nuclear Energy, Ltd.
- Dual air admittance valve21 Oct 2025US 12,448,762 B2
- Non-return valve16 Jul 2026US 2026/0201973 A1Viessmann Holding International GmbH
- 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
Most cited
By later US patents
- Portable oxygen concentration system and method of using the same310US 6,651,658 B1SeQual Technologies, Inc. · 2003
- Portable oxygen concentration system and method of using the same223US 6,691,702 B2SeQual Technologies, Inc. · 2004
- Portable oxygen concentration system and method of using the same182US 6,629,525 B2SeQual Technologies, Inc. · 2003
- Parenteral apparatus with one-way valve170US 4,005,710 AAbbott Laboratories · 1977
- Check valve109US 4,919,167 A1990