Y10T 137/86694
Piston valve
Y10T137/86694 (Piston valve) appears on 876 US grants and 426 published applications in this corpus.
Search patents in Y10T- Granted patents
- 876
- Published applications
- 426
- Assignees
- 461
- Inventors
- 1,409
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 25 | 0 |
| 1978 | 25 | 0 |
| 1979 | 6 | 0 |
| 1980 | 26 | 0 |
| 1981 | 25 | 0 |
| 1982 | 23 | 0 |
| 1983 | 17 | 0 |
| 1984 | 16 | 0 |
| 1985 | 35 | 0 |
| 1986 | 21 | 0 |
| 1987 | 27 | 0 |
| 1988 | 15 | 0 |
| 1989 | 13 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 16 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 13 | 0 |
| 1999 | 14 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 9 |
| 2002 | 17 | 10 |
| 2003 | 14 | 11 |
| 2004 | 14 | 21 |
| 2005 | 15 | 16 |
| 2006 | 14 | 23 |
| 2007 | 8 | 24 |
| 2008 | 15 | 20 |
| 2009 | 14 | 28 |
| 2010 | 18 | 32 |
| 2011 | 14 | 21 |
| 2012 | 30 | 35 |
| 2013 | 34 | 16 |
| 2014 | 33 | 24 |
| 2015 | 26 | 42 |
| 2016 | 24 | 18 |
| 2017 | 34 | 16 |
| 2018 | 15 | 20 |
| 2019 | 17 | 15 |
| 2020 | 25 | 12 |
| 2021 | 13 | 6 |
| 2022 | 12 | 5 |
| 2023 | 1 | 1 |
| 2024 | 3 | 1 |
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Safety valve for a pneumatically actuatable tool16 Jun 2026US 12,654,288 B2Oetiker Schweiz AG
- Pedal modulating valve assembly including multiple gain states19 Aug 2025US 12,392,416 B2Zf Off-Highway Solutions Minnesota Inc.
- Valve assembly for well systems11 Mar 2025US 12,247,669 B2National Oilwell Varco, L. P.
- Spool valve7 Jan 2025US 12,188,573 B2Eagle Industry Co., Ltd.
- Hydraulic balancing control valve and ride control system incorporatng same31 Dec 2024US 12,181,055 B2HydraForce, Inc.
- Safety valve for a pneumatically actuatable tool9 May 2024US 2024/0149402 A1Oetiker Schweiz AG
- Spool valve7 Dec 2023US 2023/0392697 A1Eagle Industry Co., Ltd.
- Device for controlling a flow and distributing a fluid in a fluid circuit29 Dec 2022US 2022/0412470 A1Hanon Systems
- Valve assembly for well systems18 Aug 2022US 2022/0260162 A1National Oilwell Varco, L. P.
- Relief valve cavity9 Jun 2022US 2022/0178454 A1Caterpillar Inc.
Most cited
By later US patents
- Angiographic system with automatic high/low pressure switching408US 5,800,397 AInvasatec, Inc. · 1998
- Air support bed with patient movement overlay139US 5,103,519 A1992
- Valve with uniplanar flow93US 4,587,991 A1986
- Automatic tire inflation system76US 4,418,737 AAM General LLC · 1983
- Air-operated body support device70US 4,953,247 A1990