G05D 23/24
The sensing element having a resistance varying with temperature
Official title: the sensing element having a resistance varying with temperature, e.g. a thermistor
G05D23/24 (The sensing element having a resistance varying with temperature) appears on 1,150 US grants and 472 published applications in this corpus.
Search patents in G05D- Granted patents
- 1,150
- Published applications
- 472
- Assignees
- 631
- Inventors
- 1,995
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 30 | 0 |
| 1978 | 38 | 0 |
| 1979 | 18 | 0 |
| 1980 | 44 | 0 |
| 1981 | 48 | 0 |
| 1982 | 52 | 0 |
| 1983 | 43 | 0 |
| 1984 | 56 | 0 |
| 1985 | 68 | 0 |
| 1986 | 29 | 0 |
| 1987 | 46 | 0 |
| 1988 | 40 | 0 |
| 1989 | 39 | 0 |
| 1990 | 27 | 0 |
| 1991 | 30 | 0 |
| 1992 | 22 | 0 |
| 1993 | 27 | 0 |
| 1994 | 24 | 0 |
| 1995 | 24 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 1 |
| 2002 | 8 | 10 |
| 2003 | 6 | 9 |
| 2004 | 8 | 9 |
| 2005 | 10 | 12 |
| 2006 | 5 | 11 |
| 2007 | 7 | 12 |
| 2008 | 5 | 15 |
| 2009 | 8 | 12 |
| 2010 | 11 | 17 |
| 2011 | 7 | 15 |
| 2012 | 13 | 11 |
| 2013 | 9 | 21 |
| 2014 | 14 | 24 |
| 2015 | 13 | 12 |
| 2016 | 16 | 17 |
| 2017 | 12 | 22 |
| 2018 | 12 | 30 |
| 2019 | 24 | 28 |
| 2020 | 25 | 34 |
| 2021 | 17 | 19 |
| 2022 | 23 | 37 |
| 2023 | 16 | 29 |
| 2024 | 27 | 28 |
| 2025 | 26 | 24 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Technique for adjusting charging operation or discharging operation of external device by battery pack15 Sep 2026US 12,738,551 B2Makita Corporation
- Systems and controllers for controlling heating unit temperature with a simulated outdoor temperature, and methods using the same30 Jun 2026US 12,669,249 B2Watts Regulator Co.
- Devices for evaporation and inhalation of nicotine26 May 2026US 12,636,446 B2Emplicure AB
- Dental furnace and procedures for the operation of a dental furnace26 May 2026US 12,638,240 B2Ivoclar Vivadent AG
- Electronic smoking device, heating method thereof and computer storage media19 May 2026US 12,628,878 B2Shenzhen Merit Technology Co., Ltd.
- Electronic smoking device, heating method thereof and computer storage media3 Sep 2026US 2026/0256213 A1Shenzhen Merit Technology Co., Ltd.
- Remote temperature sensor circuit and method20 Aug 2026US 2026/0244228 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Aerosol generating apparatus30 Jul 2026US 2026/0215517 A1Imperial Tobacco Limited
- Temperature measurement system and method for temperature control of hot surface igniter30 Jul 2026US 2026/0219696 A1Chongqing Le-Mark Technology Co
- Soft Robotic Gripper Actuated by Artificial Muscles21 May 2026US 2026/0138267 A1Wayne State University
Most cited
By later US patents
- Method and apparatus for calibrating and controlling multiple heaters276US 5,280,422 AWatlow/Winona, Inc. · 1994
- Electronic programmable thermostat232US 4,751,961 AHoneywell Inc. · 1988
- Medical apparatus for warming patient fluids223US 5,875,282 AGaymar Industries, Inc. · 1999
- Electronic thermostat with repetitive operation cycle202US 4,335,847 A1982
- Electronic thermostat192US 4,206,872 A1980