G05D 23/021
The sensing element being a non-metallic solid
Official title: {the sensing element being a non-metallic solid, e.g. elastomer, paste}
G05D23/021 (The sensing element being a non-metallic solid) appears on 401 US grants and 266 published applications in this corpus.
Search patents in G05D- Granted patents
- 401
- Published applications
- 266
- Assignees
- 193
- Inventors
- 600
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 13 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 9 |
| 2003 | 9 | 6 |
| 2004 | 8 | 4 |
| 2005 | 2 | 9 |
| 2006 | 6 | 10 |
| 2007 | 5 | 14 |
| 2008 | 3 | 8 |
| 2009 | 7 | 9 |
| 2010 | 8 | 12 |
| 2011 | 8 | 11 |
| 2012 | 8 | 9 |
| 2013 | 9 | 10 |
| 2014 | 9 | 16 |
| 2015 | 7 | 20 |
| 2016 | 14 | 18 |
| 2017 | 17 | 18 |
| 2018 | 22 | 17 |
| 2019 | 20 | 12 |
| 2020 | 15 | 11 |
| 2021 | 8 | 6 |
| 2022 | 8 | 8 |
| 2023 | 8 | 6 |
| 2024 | 14 | 14 |
| 2025 | 12 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Proportional control drive mechanism21 Jul 2026US 12,687,236 B2Illinois Tool Works Inc.
- 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.
- Thermostat with flow regulators18 Nov 2025US 12,473,992 B2Stant USA Corp.
- On-demand flow rate adapter for flow rate adjustment in liquid cooling solutions18 Nov 2025US 12,474,725 B2Cisco Technology, Inc.
- Plastic integrated anti-scald device14 Oct 2025US 12,442,165 B2AS America, Inc.
- Thermostat device25 Jun 2026US 2026/0177153 A1
- On-demand flow rate adapter for flow rate adjustment in liquid cooling solutions23 Apr 2026US 2026/0111048 A1Cisco Technology, Inc.
- On-demand flow rate adapter for flow rate adjustment in liquid cooling solutions24 Jul 2025US 2025/0238046 A1Cisco Technology, Inc.
- Thermostatic valve15 May 2025US 2025/0154892 A1Vernet
- Cartridge for dynamic reduction of a pressure of a fluid and related device for treating a fluid15 May 2025US 2025/0155039 A1I.V.A.R. S.P.A.
Most cited
By later US patents
- Thermal relief valve78US 5,018,665 AHale Fire Pump Company · 1991
- Room temperature sensor and thermostat control device60US 5,934,554 ASiemens Building Technologies, Inc. · 1999
- Room temperature sensor and thermostat control device57US 5,816,492 ALandis & Staefa, Inc. · 1998
- Temperature limiting device45US 4,210,284 APrice-Pfister Brass Mfg. Co. · 1980
- Thermal flow control valve41US 6,772,958 B1Rostra Precision Controls, Inc. · 2004