G01M 3/228
For radiators
Official title: {for radiators}
G01M3/228 (For radiators) appears on 112 US grants and 76 published applications in this corpus.
Search patents in G01M- Granted patents
- 112
- Published applications
- 76
- Assignees
- 82
- Inventors
- 222
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 3 |
| 2003 | 6 | 6 |
| 2004 | 2 | 7 |
| 2005 | 2 | 5 |
| 2006 | 3 | 1 |
| 2007 | 3 | 4 |
| 2008 | 2 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 5 |
| 2011 | 2 | 3 |
| 2012 | 4 | 3 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 4 |
| 2022 | 1 | 8 |
| 2023 | 4 | 2 |
| 2024 | 2 | 4 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for checking quality of heat exchanger12 May 2026US 12,625,042 B2Kobe Steel, Ltd.
- Process and device for detection of a leak in a ventilation circuit5 May 2026US 12,616,808 B2Drägerwerk AG & Co. KGaA
- Test chamber and method26 Aug 2025US 12,399,093 B2Weiss Technik GmbH
- Fluorinated coumarins18 Feb 2025US 12,227,653 B23M Innovative Properties Company
- Advanced sealing structure for liquid cooling4 Feb 2025US 12,216,025 B2Baidu USA LLC
- Gas leak detector17 Jul 2025US 2025/0231076 A1QTF Sweden AB
- Method and Device for Detecting a Water Leak in A Metallurgical Melting Furnace8 May 2025US 2025/0146898 A1Cth Conrads Technologie Und Holding AG
- Fluorinated Coumarins11 Apr 2024US 2024/0117191 A13M Innovative Properties Company
- Detection of leaks in heat exchangers22 Feb 2024US 2024/0060735 A1Accutest International, Ltd
- Gas sensor and method for detecting gas22 Feb 2024US 2024/0060846 A1
Most cited
By later US patents
- Light source for use in leak detection in heating, ventilating, and air conditioning systems that utilize environmentally-safe materials123US 5,674,000 ABright Solutions, Inc. · 1997
- Method and apparatus for testing fluid-filled systems for leaks66US 4,918,975 ALeybold Aktiengesellschaft · 1990
- Leakage testing method for a plate heat exchanger65US 6,062,068 ASomerset Technical Laboratories Limited · 2000
- Refrigerant gas leak detector64US 5,351,037 AJ and N Associates, Inc. · 1994
- Leak detection and responsive treatment in industrial water processes64US 5,416,323 ANalco Chemical Company · 1995