F21V 17/168
The parts being resilient rings acting substantially isotropically
Official title: {the parts being resilient rings acting substantially isotropically, e.g. split rings}
F21V17/168 (The parts being resilient rings acting substantially isotropically) appears on 76 US grants and 59 published applications in this corpus.
Search patents in F21V- Granted patents
- 76
- Published applications
- 59
- Assignees
- 36
- Inventors
- 114
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 3 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 3 | 6 |
| 2018 | 0 | 1 |
| 2019 | 5 | 3 |
| 2020 | 5 | 4 |
| 2021 | 6 | 6 |
| 2022 | 6 | 4 |
| 2023 | 3 | 4 |
| 2024 | 3 | 3 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LED lighting methods and apparatus27 Jan 2026US 12,535,200 B2Wangs Alliance Corporation
- Lighting apparatus for a motor vehicle and assembly of the components of the lighting apparatus4 Jun 2024US 12,000,554 B2Marelli Automotive Lighting Reutlingen (Germany) GmbH
- LED lighting methods and apparatus26 Mar 2024US 11,940,135 B2Wangs Alliance Corporation
- LED lighting methods and apparatus6 Feb 2024US 11,892,150 B2Wangs Alliance Corporation
- LED lighting methods and apparatus8 Aug 2023US 11,719,422 B2Wangs Alliance Corporation
- Electrical connector installation structure for electrical appliance, and fan lamp2 Jul 2026US 2026/0185695 A1Foshan Weina Lighting Appliance Co., Ltd.
- Led lighting methods and apparatus25 Dec 2025US 2025/0389413 A1Wangs Alliance Corporation
- Light post butt-joint conductive component structure for decorative light15 May 2025US 2025/0155113 A1
- Cover system for light pole footings8 May 2025US 2025/0146654 A1
- Improved replacement system for an optical component of a lighting device24 Oct 2024US 2024/0353084 A1Signify Holding B. V.
Most cited
By later US patents
- LED lighting fixtures90US 7,802,902 B2Koninklijke Philips Electronics N. V. · 2010
- LED lamp81US 7,611,264 B1Li-Hong Technological Co., Ltd. · 2009
- Adjustable lighting fixture78US 5,649,760 A1997
- Trim retainer62US 5,597,234 ACooper Industries, Inc. · 1997
- Lighting system53US 5,134,554 ALightolier Incorporated · 1992