Y10T 137/791
Ball valves
Y10T137/791 (Ball valves) appears on 261 US grants and 94 published applications in this corpus.
Search patents in Y10T- Granted patents
- 261
- Published applications
- 94
- Assignees
- 173
- Inventors
- 398
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 14 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 3 |
| 2003 | 5 | 4 |
| 2004 | 4 | 4 |
| 2005 | 3 | 13 |
| 2006 | 7 | 8 |
| 2007 | 7 | 3 |
| 2008 | 2 | 9 |
| 2009 | 5 | 10 |
| 2010 | 4 | 14 |
| 2011 | 7 | 2 |
| 2012 | 11 | 5 |
| 2013 | 10 | 3 |
| 2014 | 6 | 4 |
| 2015 | 6 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Geometrical influence on non-flow-facing closing-body regions31 Dec 2024US 12,181,057 B2ProMinent GmbH
- System and apparatus for controlling fluid flow in drainage systems with a cage device18 Oct 2022US 11,473,696 B1
- Check valve for use in animal drinker systems13 Sep 2022US 11,441,691 B2Valco Industries, Inc.
- Valve seat and valve structure9 Mar 2021US 10,941,868 B2Iwaki Co., Ltd.
- System and apparatus for controlling fluid flow in drainage systems9 Feb 2021US 10,914,399 B1
- Suction retainer for a check valve9 Jul 2026US 2026/0194153 A1Halliburton Energy Services.Inc.
- Geometrical influence on non-flow-facing closing-body regions29 Dec 2022US 2022/0412475 A1ProMinent GmbH
- Check valve for use in animal drinker systems3 Feb 2022US 2022/0034415 A1Valco Industries, Inc.
- System and apparatus for controlling fluid flow in drainage systems4 Feb 2021US 2021/0033213 A1
- Valve seat and valve structure26 Dec 2019US 2019/0390778 A1Iwaki Co., Ltd.
Most cited
By later US patents
- Valves and pumps for microfluidic systems and method for making microfluidic systems136US 6,767,194 B2President and Fellows of Harvard College · 2004
- Pulsing combustion116US 4,569,310 AArkansas Patents, Inc. · 1986
- Downhole pump with standing valve assembly which guides the ball off-center97US 6,007,314 A1999
- Pulsing combustion85US 4,488,865 AArkansas Patents, Inc. · 1984
- Deformable ball seat81US 7,503,392 B2Baker Hughes Incorporated · 2009