H01K 1/00
Details
H01K1/00 (Details) appears on 1,420 US grants and 781 published applications in this corpus.
Search patents in H01K- Granted patents
- 1,420
- Published applications
- 781
- Assignees
- 383
- Inventors
- 2,267
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 38 | 0 |
| 1978 | 31 | 0 |
| 1979 | 28 | 0 |
| 1980 | 22 | 0 |
| 1981 | 30 | 0 |
| 1982 | 24 | 0 |
| 1983 | 29 | 0 |
| 1984 | 32 | 0 |
| 1985 | 38 | 0 |
| 1986 | 44 | 0 |
| 1987 | 41 | 0 |
| 1988 | 39 | 0 |
| 1989 | 43 | 0 |
| 1990 | 42 | 0 |
| 1991 | 41 | 0 |
| 1992 | 39 | 0 |
| 1993 | 24 | 0 |
| 1994 | 15 | 0 |
| 1995 | 29 | 0 |
| 1996 | 30 | 0 |
| 1997 | 17 | 0 |
| 1998 | 27 | 0 |
| 1999 | 47 | 0 |
| 2000 | 37 | 0 |
| 2001 | 35 | 11 |
| 2002 | 35 | 38 |
| 2003 | 51 | 61 |
| 2004 | 48 | 55 |
| 2005 | 32 | 58 |
| 2006 | 34 | 79 |
| 2007 | 25 | 50 |
| 2008 | 31 | 63 |
| 2009 | 29 | 44 |
| 2010 | 39 | 62 |
| 2011 | 23 | 38 |
| 2012 | 29 | 25 |
| 2013 | 24 | 19 |
| 2014 | 23 | 30 |
| 2015 | 14 | 21 |
| 2016 | 20 | 23 |
| 2017 | 12 | 14 |
| 2018 | 19 | 11 |
| 2019 | 17 | 20 |
| 2020 | 19 | 13 |
| 2021 | 14 | 16 |
| 2022 | 8 | 4 |
| 2023 | 9 | 11 |
| 2024 | 7 | 8 |
| 2025 | 7 | 6 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01K 1/28Envelopes429
- H01K 1/42Means forming part of the lamp for the purpose of providing electrical370
- H01K 1/02Incandescent bodies280
- H01K 1/18Mountings or supports for the incandescent body212
- H01K 1/62One or more circuit elements structurally associated with the lamp120
- H01K 1/50Selection of substances for gas fillings82
- H01K 1/40Leading-in conductors77
- H01K 1/26Screens74
All 13 subgroupsShow fewer
Recent patents
- Active cooling of quartz enveloped heaters in vacuum4 Nov 2025US 12,464,605 B2APPLIED Materials.Inc.
- Optimized infrared light source for a gas sensor, and manufacturing method thereof29 Jul 2025US 12,372,457 B2Elichens
- Light bulb27 May 2025US 12,315,715 B1
- Apparatuses comprising films with free-standing region6 May 2025US 12,291,447 B2Canatu Oy
- Holding device for at least one filament and mass spectrometer15 Apr 2025US 12,278,100 B2Leybold Aktiengesellschaft
- Ultraviolet cathodluminescent systems and methods26 Feb 2026US 2026/0059622 A1NS Nanotech, Inc.
- Halogen lamp18 Dec 2025US 2025/0383070 A1RarEarth Tech Co., Ltd.
- Method and apparatus for maintaining films with free-standing region21 Aug 2025US 2025/0263293 A1Canatu Finland Oy
- Resin composition for molding and electronic component device24 Jul 2025US 2025/0236744 A1Resonac Corporation
- Conductor element for a filament lamp24 Apr 2025US 2025/0132144 A1Signify Holding B. V.
Most cited
By later US patents
- Inductively powered lamp assembly370US 6,731,071 B2Access Business Group International LLC · 2004
- Inductively powered lamp assembly317US 6,917,163 B2Access Business Group International LLC · 2005
- Inductively powered lamp assembly315US 6,812,645 B2Access Business Group International LLC · 2004
- Method of manufacturing a lamp assembly279US 6,831,417 B2Access Business Group International LLC · 2004
- Inductively powered secondary assembly251US 7,474,058 B2Access Business Group International LLC · 2009