H05B 45/34
Voltage stabilisation
Official title: Voltage stabilisation; Maintaining constant voltage
H05B45/34 (Voltage stabilisation) appears on 265 US grants and 306 published applications in this corpus.
Search patents in H05B- Granted patents
- 265
- Published applications
- 306
- Assignees
- 182
- Inventors
- 563
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 4 |
| 2008 | 0 | 3 |
| 2009 | 3 | 8 |
| 2010 | 4 | 12 |
| 2011 | 6 | 12 |
| 2012 | 8 | 6 |
| 2013 | 8 | 8 |
| 2014 | 5 | 2 |
| 2015 | 7 | 9 |
| 2016 | 4 | 8 |
| 2017 | 11 | 16 |
| 2018 | 18 | 14 |
| 2019 | 15 | 16 |
| 2020 | 11 | 14 |
| 2021 | 24 | 40 |
| 2022 | 33 | 25 |
| 2023 | 37 | 21 |
| 2024 | 14 | 21 |
| 2025 | 23 | 34 |
| 2026 | 28 | 26 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Energy supply for a light having a matrix of LEDs, in particular an LED motor vehicle headlight6 Oct 2026US 12,757,302 B2Hella GmbH & Co. KGaA
- Light emitting diode (LED) control drive system for sleep aid device8 Sep 2026US 12,728,226 B1
- Light-emitting driving device and a backlight apparatus25 Aug 2026US 12,720,653 B2Lx Semicon Co., Ltd.
- Bidirectional illuminated LED bead triggered by power line pulse signals25 Aug 2026US 12,720,654 B2Hangzhou Yun Led Chip Photoelectricity Tech. Co., Ltd.
- Adaptive universal LED bypass18 Aug 2026US 12,713,505 B2Infineon Technologies AG
- 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
- New type of phase-cut dimming power supply10 Sep 2026US 2026/0271147 A1Zhuhai Demi Technology Co., Ltd.
- Controlling resource access requests in containerized platform27 Aug 2026US 2026/0252717 A1International Business Machines Corporation
- Constant Voltage PWM to Constant Current PWM Driver System with Thermal and Current Feedback27 Aug 2026US 2026/0255453 A1Usai, LLC
- Current sink with bypass for an led chain27 Aug 2026US 2026/0255455 A1Diehl Aerospace GmbH
Most cited
By later US patents
- LED dimming apparatus62US 8,339,053 B2Panasonic Corporation · 2012
- Light-emitting-diode lamp54US 7,585,090 B22009
- Power supply device and lighting equipment54US 8,354,804 B2Kabushiki Kaisha Toshiba · 2013
- Light emitting apparatus52US 8,272,764 B2LG Innotek Co., Ltd. · 2012
- Non-contact power supply device46US 6,430,064 B1Aichi Electric Co., Ltd. · 2002