F21V 29/86
Ceramics or glass
Official title: {Ceramics or glass}
F21V29/86 (Ceramics or glass) appears on 143 US grants and 207 published applications in this corpus.
Search patents in F21V- Granted patents
- 143
- Published applications
- 207
- Assignees
- 115
- Inventors
- 383
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 8 |
| 2009 | 5 | 11 |
| 2010 | 5 | 20 |
| 2011 | 8 | 17 |
| 2012 | 11 | 30 |
| 2013 | 17 | 26 |
| 2014 | 16 | 21 |
| 2015 | 6 | 13 |
| 2016 | 10 | 7 |
| 2017 | 8 | 7 |
| 2018 | 7 | 5 |
| 2019 | 6 | 4 |
| 2020 | 4 | 10 |
| 2021 | 9 | 4 |
| 2022 | 5 | 8 |
| 2023 | 7 | 1 |
| 2024 | 3 | 5 |
| 2025 | 4 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lighting fixture with 2D array of closely-packed LED components2 Sep 2025US 12,404,977 B1
- Heater for an environment containing an electrical device and method17 Jun 2025US 12,331,918 B2Van Straten Enterprises, Inc.
- Miniature integrated omnidirectional LED bulb15 Apr 2025US 12,276,382 B2Emery Allen, LLC
- Flame protected optic15 Apr 2025US 12,276,412 B2Hubbell Incorporated
- Phosphor element with heat dissipating substrate that has thermally conductive metal plating film12 Nov 2024US 12,140,304 B2NGK Insulators, Ltd.
- Optical system with heatproof effect module and stage light fixture with same30 Jul 2026US 2026/0218893 A1Guangzhou Haoyang Electronic Co., Ltd.
- Miniature integrated omnidirectional led bulb11 Jun 2026US 2026/0160394 A1EmeryAllen, LLC
- Heater and Electromagnetic Illuminator Heater18 Sep 2025US 2025/0290624 A1Van Straten Enterprises, Inc.
- Miniature integrated omnidirectional led bulb17 Oct 2024US 2024/0344671 A1EmeryAllen, LLC
- Heater and Electromagnetic Illuminator Heater5 Sep 2024US 2024/0295314 A1Van Straten Enterprises, Inc.
Most cited
By later US patents
- Light sources incorporating light emitting diodes172US 8,093,823 B1Altair Engineering, Inc. · 2012
- Lamp having protective dome100US 5,760,531 A911 Emergency Products, Inc. · 1998
- Led component group with heat dissipating support82US 6,375,340 B1Patent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH · 2002
- LED-based light bulb device79US 8,421,322 B2Forever Bulb, LLC · 2013
- Light source comprising edge emitting elements76US 7,850,347 B2Koninklijke Philips Electronics N. V. · 2010