Y10T 137/7787
Expansible chamber subject to differential pressures
Y10T137/7787 (Expansible chamber subject to differential pressures) appears on 335 US grants and 102 published applications in this corpus.
Search patents in Y10T- Granted patents
- 335
- Published applications
- 102
- Assignees
- 198
- Inventors
- 475
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 4 | 0 |
| 1980 | 14 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 10 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 16 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 2 |
| 2002 | 4 | 5 |
| 2003 | 5 | 7 |
| 2004 | 9 | 4 |
| 2005 | 5 | 4 |
| 2006 | 4 | 2 |
| 2007 | 1 | 6 |
| 2008 | 2 | 8 |
| 2009 | 2 | 5 |
| 2010 | 7 | 7 |
| 2011 | 2 | 10 |
| 2012 | 4 | 5 |
| 2013 | 8 | 7 |
| 2014 | 7 | 3 |
| 2015 | 7 | 11 |
| 2016 | 7 | 5 |
| 2017 | 5 | 2 |
| 2018 | 7 | 3 |
| 2019 | 4 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-stage vacuum generator20 Jan 2026US 12,529,385 B2Coval
- Preventing control-induced oscillations of the position of a valve member in a valve with pneumatic actuator4 Mar 2025US 12,241,565 B2Samson Aktiengesellschaft
- Compressor gas cutoff22 Jun 2021US 11,041,492 B2
- Downhole sub with hydraulically actuable sleeve valve7 Jul 2020US 10,704,362 B2Packers Plus Energy Services Inc.
- Venturi valve and control system7 Jul 2020US RE48,081 E1
- A pressure-independent control valve with a drain, and method of draining the valve20 Feb 2025US 2025/0060764 A1Pittway Sarl
- Multi-stage vacuum generator26 Dec 2024US 2024/0426321 A1Coval
- Preventing Control-Induced Oscillations of the Position of a Valve Member in a Valve with Pneumatic Actuator14 Dec 2023US 2023/0400120 A1Samson Aktiengesellschaft
- Compressor gas cutoff2 Jan 2020US 2020/0003204 A1
- Adjustable valve1 Aug 2019US 2019/0235536 A1FlowCon International ApS
Most cited
By later US patents
- Micromachined fluid handling devices206US 5,839,467 AResearch International, Inc. · 1998
- Automatic controlling valve for maintaining the rate of fluid flow at a constant value96US 4,250,915 A1981
- Drip level irrigation emitter unit82US 4,209,133 A1980
- Methods for manufacturing a flow switch82US 5,702,618 AResearch International, Inc. · 1997
- Flow regulator to maintain controllable volumetric flow rate80US 6,110,427 ABecton, Dickinson and Company · 2000