H01G 9/21
Temperature-sensitive devices
H01G9/21 (Temperature-sensitive devices) appears on 77 US grants and 47 published applications in this corpus.
Search patents in H01G- Granted patents
- 77
- Published applications
- 47
- Assignees
- 47
- Inventors
- 150
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 5 |
| 2014 | 2 | 6 |
| 2015 | 1 | 4 |
| 2016 | 3 | 5 |
| 2017 | 8 | 4 |
| 2018 | 1 | 2 |
| 2019 | 5 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 5 |
| 2022 | 3 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Thermoelectric electrochemical conversion devices30 Sep 2025US 12,433,164 B2
- Thermal radiation sensor comprising an ionic conductor21 Jan 2025US 12,207,552 B2The Hong Kong University of Science and Technology
- Thermally sensitive state change ionic redox transistor26 Mar 2024US 11,942,282 B1National Technology & Engineering Solutions of Sandia, LLC
- Temperature-dependent capacitor12 Mar 2024US 11,929,390 B2International Business Machines Corporation
- Capacitor lifespan estimation method, lifespan estimation program thereof, information processing device, and capacitor25 Jul 2023US 11,709,209 B2Nippon Chemi-Con Corporation
- Thermoelectric electrochemical conversion devices14 Sep 2023US 2023/0292616 A1
- Thermal Radiation Sensor Comprising an Ionic Conductor1 Sep 2022US 2022/0278264 A1The Hong Kong University of Science and Technology
- Temperature-dependent capacitor18 Aug 2022US 2022/0262893 A1International Business Machines Corporation
- Heat generator11 Aug 2022US 2022/0254979 A1Sanoh Industrial Co., Ltd.
- Thermo-electric capacitor25 Nov 2021US 2021/0366659 A1Versitech Limited
Most cited
By later US patents
- Internal-integral sodium return line for sodium heat engine86US 4,510,210 AFord Motor Company · 1985
- High performance thin film alkali metal thermoelectric device46US 5,039,351 AWestinghouse Electric Corp. · 1991
- Thermo-electric generators41US 4,042,757 AChloride Silent Power Limited · 1977
- Thermoelectric generator36US 4,049,877 AFord Motor Company · 1977
- Thermoelectric generator devices and methods27US 4,098,958 AFord Motor Company · 1978