F04B 39/102
The members being disc valves
Official title: {the members being disc valves}
F04B39/102 (The members being disc valves) appears on 184 US grants and 154 published applications in this corpus.
Search patents in F04B- Granted patents
- 184
- Published applications
- 154
- Assignees
- 117
- Inventors
- 357
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 4 |
| 2002 | 6 | 5 |
| 2003 | 5 | 10 |
| 2004 | 6 | 5 |
| 2005 | 0 | 2 |
| 2006 | 3 | 6 |
| 2007 | 2 | 3 |
| 2008 | 1 | 6 |
| 2009 | 1 | 6 |
| 2010 | 3 | 1 |
| 2011 | 4 | 1 |
| 2012 | 3 | 4 |
| 2013 | 1 | 6 |
| 2014 | 3 | 5 |
| 2015 | 2 | 5 |
| 2016 | 4 | 6 |
| 2017 | 6 | 9 |
| 2018 | 4 | 3 |
| 2019 | 5 | 10 |
| 2020 | 6 | 10 |
| 2021 | 11 | 9 |
| 2022 | 7 | 11 |
| 2023 | 6 | 3 |
| 2024 | 9 | 5 |
| 2025 | 7 | 12 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Breast Pump Driving Apparatus7 May 2026US 2026/0124347 A1Guangdong Golden Baby Health Supplies Co., Ltd.
- Piston pump with quick exhaust slide valves2 Apr 2026US 2026/0092600 A1Samoa Industrial S.A.
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- Valve module for vacuum pump19 Feb 2026US 2026/0049665 A1Vtec Co., Ltd.
Most cited
By later US patents
- Green communities61US 10,184,465 B2EnisEnerGen, LLC · 2019
- Valve assembly42US 4,368,755 ACopeland Corporation · 1983
- Compressor valve35US 4,483,363 A1984
- Gas compressor head and discharge valve construction34US 5,203,857 ABristol Compressors, Inc. · 1993
- Head-guided poppet valve member and valve assembly33US 4,819,689 ABall Valve Company · 1989