G05D 7/0126
The sensing element being a piston or plunger associated with one or
Official title: {the sensing element being a piston or plunger associated with one or more springs}
G05D7/0126 (The sensing element being a piston or plunger associated with one or) appears on 406 US grants and 264 published applications in this corpus.
Search patents in G05D- Granted patents
- 406
- Published applications
- 264
- Assignees
- 281
- Inventors
- 712
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 14 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 5 | 0 |
| 2001 | 15 | 2 |
| 2002 | 3 | 7 |
| 2003 | 6 | 10 |
| 2004 | 6 | 6 |
| 2005 | 6 | 11 |
| 2006 | 8 | 10 |
| 2007 | 9 | 12 |
| 2008 | 2 | 10 |
| 2009 | 3 | 8 |
| 2010 | 10 | 12 |
| 2011 | 6 | 7 |
| 2012 | 6 | 11 |
| 2013 | 8 | 13 |
| 2014 | 8 | 13 |
| 2015 | 8 | 13 |
| 2016 | 17 | 16 |
| 2017 | 16 | 14 |
| 2018 | 8 | 8 |
| 2019 | 11 | 14 |
| 2020 | 6 | 15 |
| 2021 | 13 | 10 |
| 2022 | 12 | 15 |
| 2023 | 13 | 8 |
| 2024 | 11 | 10 |
| 2025 | 8 | 7 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a nonlinear cylindrical spring and use of such a spring28 Jul 2026US 12,693,689 B2Rolls-Royce Deutschland Ltd & Co KG
- Passive modulating design for fast responding control valves for high pressure gas applications28 Jul 2026US 12,693,690 B2Kalsi Engineering, Inc.
- Valve assembly and fluid arrangement for continuous delivery of volumetrically proportioned fluids14 Jul 2026US 12,681,508 B2
- Cartridge for dynamic reduction of a pressure of a fluid and related device for treating a fluid30 Jun 2026US 12,669,190 B2I.V.A.R. S.P.A.
- Using two or more pressure regulators in series as a flow regulator21 Apr 2026US 12,608,027 B2Saudi Arabian Oil Company
- Reduced Stroke Control Cartridge For Hydraulic Valve20 Aug 2026US 2026/0243353 A1Giacomini S.p. A.
- Flow control system, method, and apparatus11 Jun 2026US 2026/0161188 A1Ichor Systems, Inc.
- Pressure relief valve18 Dec 2025US 2025/0382931 A1ROLLS-ROYCE plc
- Valve18 Dec 2025US 2025/0383028 A1Eagle Industry Co., Ltd.
- Flow control valve and spa recirculation system with heat pump using the valve5 Jun 2025US 2025/0181086 A1Balboa Water Group, Inc.
Most cited
By later US patents
- Powder inhaler with breath flow regulation valve164US 5,727,546 AFisons Limited · 1998
- Flow controlled shower head122US 4,244,526 A1981
- Constant flow valve actuator95US 4,226,344 ABooth, Inc. · 1980
- Combination valve and regulator with vented seat for use with pressurized gas cylinders, particularly oxygen cylinders94US 7,234,680 B22007
- Pneumatic powered autoinjector94US 7,654,983 B2Johnson & Johnson Vision Care, Inc. · 2010