G05D 23/023
The sensing element being placed outside a regulating fluid flow
Official title: {the sensing element being placed outside a regulating fluid flow}
G05D23/023 (The sensing element being placed outside a regulating fluid flow) appears on 51 US grants and 21 published applications in this corpus.
Search patents in G05D- Granted patents
- 51
- Published applications
- 21
- Assignees
- 30
- Inventors
- 87
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 4 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- On-demand flow rate adapter for flow rate adjustment in liquid cooling solutions24 Jul 2025US 2025/0238046 A1Cisco Technology, Inc.
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- Antifreeze valve unit26 May 2022US 2022/0163131 A1Caleffi S.p.A.
- Thermal management system control and heat exchanger life extension9 Nov 2017US 2017/0322571 A1United Technologies Corporation
Most cited
By later US patents
- Valve mechanism30US 4,460,007 A1984
- Automatic thermal and speed controls for viscous fluid clutches26US 4,909,367 AKysor Industrial Corporation · 1990
- Freeze drain valve22US 4,296,770 AEaton Corporation · 1981
- Valve mechanism21US 4,878,512 AOgontz Controls Company · 1989
- Method of regulating a central or district heating plant by means of a differential pressure valve, and unit for working method20US 5,178,324 AFrese Armatur A/S · 1993