H05B 47/28
Circuit arrangements for protecting against abnormal temperature
H05B47/28 (Circuit arrangements for protecting against abnormal temperature) appears on 141 US grants and 135 published applications in this corpus.
Search patents in H05B- Granted patents
- 141
- Published applications
- 135
- Assignees
- 117
- Inventors
- 342
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 4 | 8 |
| 2011 | 3 | 6 |
| 2012 | 3 | 8 |
| 2013 | 4 | 16 |
| 2014 | 8 | 7 |
| 2015 | 10 | 5 |
| 2016 | 13 | 9 |
| 2017 | 8 | 9 |
| 2018 | 11 | 7 |
| 2019 | 10 | 4 |
| 2020 | 6 | 9 |
| 2021 | 7 | 5 |
| 2022 | 8 | 8 |
| 2023 | 6 | 4 |
| 2024 | 5 | 5 |
| 2025 | 3 | 6 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for detecting and controlling a spectrum of a light source of a hyperspectral imaging system4 Aug 2026US 12,699,047 B2Neolithics Ltd.
- Techniques for using floodlight LEDs when imaging sensors have an insufficient level of detail for identifying hand gestures, and mixed-reality systems and methods of using these techniques14 Jul 2026US 12,684,106 B2Meta Platforms Technologies, LLC
- Lighting device power supplying system having switching mechanism9 Jun 2026US 12,652,744 B2Xiamen PVTECH Co., Ltd.
- Heating device and control method of led17 Feb 2026US 12,557,182 B2Tokyo Electron Limited
- Techniques for guiding perspiration to desired channels to avoid negative impacts to electrical and mechanical functions of extended-reality devices, and systems and methods of use thereof20 Jan 2026US 12,531,972 B2Meta Platforms Technologies, LLC
- Techniques for Using Floodlight LEDs When Imaging Sensors Have an Insufficient Level of Detail for Identifying Hand Gestures, and Mixed-Reality Systems and Methods of Using These Techniques24 Sep 2026US 2026/0292120 A1Meta Platforms Technologies, LLC
- Feedback circuit and control circuit for lamp load23 Jul 2026US 2026/0214767 A1Savant Technologies LLC
- Multi-channel light-emitting diode constant-current-and-light power driving circuit and electronic device9 Jul 2026US 2026/0197916 A1Guangzhou Supu Software Technology Co., Ltd.
- Constant current driving circuit, constant current control system and lamp7 May 2026US 2026/0129729 A1Opple Lighting Co., Ltd.
- Light emitting module, vehicle lighting device, and vehicle lamp5 Mar 2026US 2026/0063261 A1Toshiba Lighting & Technology Corporation
Most cited
By later US patents
- Water treatment system with an inductively coupled ballast432US 6,436,299 B1Amway Corporation · 2002
- Radio frequency identification system for a fluid treatment system361US 6,673,250 B2Access Business Group International LLC · 2004
- Wireless lighting devices and applications246US 8,033,686 B2Wireless Environment, LLC · 2011
- Emergency lighting system103US 4,977,351 ABavco Manufacturing Co. · 1990
- Short-circuit protection for forward-phase-control AC power controller95US 6,175,220 B1Power Innovations, Inc. · 2001