G05D 23/30
Automatic controllers with an auxiliary heating device affecting the sensing element
Official title: Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
G05D23/30 (Automatic controllers with an auxiliary heating device affecting the sensing element) appears on 173 US grants and 153 published applications in this corpus.
Search patents in G05D- Granted patents
- 173
- Published applications
- 153
- Assignees
- 110
- Inventors
- 317
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 4 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 3 | 14 |
| 2015 | 2 | 9 |
| 2016 | 5 | 5 |
| 2017 | 13 | 23 |
| 2018 | 3 | 14 |
| 2019 | 14 | 15 |
| 2020 | 22 | 18 |
| 2021 | 15 | 15 |
| 2022 | 17 | 6 |
| 2023 | 9 | 3 |
| 2024 | 9 | 5 |
| 2025 | 4 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration chip, refrigeration system, and sample testing system and method11 Aug 2026US 12,704,444 B2Guangzhou Optocryo Biological Technology Co., Ltd.
- System for communication, optimization and demand control for an appliance14 Jul 2026US 12,681,513 B2Resideo USA LLC
- Control system and a control method of intelligent toilets31 Mar 2026US 12,590,448 B2Zhejiang IKAHE Sanitary Ware Co., Ltd
- Dual-purpose heater and fluid flow measurement system10 Jun 2025US 12,326,107 B2Watlow Electric Manufacturing Company
- Virtual sensing system25 Mar 2025US 12,258,898 B2Watlow Electric Manufacturing Company
- Methods and systems for heating emergency regulation in smart cities based on internet of things large models17 Sep 2026US 2026/0277258 A1Chengdu Qinchuan Iot Technology Co., Ltd.
- Aerosol generation system and heating control method therefor20 Aug 2026US 2026/0240256 A1Shenzhen Huabao Collaborative Innovation Technology Research Institute Co., Ltd.
- Methods and an internet of things (iot) systems for vapor-liquid identification based on vortex flow sensors20 Aug 2026US 2026/0244178 A1Chengdu Qinchuan Iot Technology Co., Ltd.
- High-efficiency methanol reforming hydrogen production device2 Oct 2025US 2025/0303380 A1
- Wafer temperature control device, wafer temperature control method and wafer temperature control program2 Jan 2025US 2025/0006524 A1HORIBA STEC, Co., Ltd.
Most cited
By later US patents
- Electrical control system for relay operation responsive to thermostat input having improved efficiency86US 5,655,709 ATexas Instruments Incorporated · 1997
- Carbonation system and method60US 7,114,707 B22006
- Carbonation system and method45US 7,288,276 B22007
- Optical transmitting module and a method for controlling the same35US 7,269,192 B2Sumitomo Electric Industries, Ltd. · 2007
- Hand held appliance28US 10,085,538 B2Dyson Technology Limited · 2018