H05B
Electric heating
Official title: Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
H05B (Electric heating) appears on 70,992 US grants and 74,313 published applications in this corpus.
Search patents in H05B- Granted patents
- 70,992
- Published applications
- 74,313
- Assignees
- 16,396
- Inventors
- 97,594
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 413 | 0 |
| 1977 | 449 | 0 |
| 1978 | 423 | 0 |
| 1979 | 306 | 0 |
| 1980 | 375 | 0 |
| 1981 | 413 | 0 |
| 1982 | 463 | 0 |
| 1983 | 393 | 0 |
| 1984 | 511 | 0 |
| 1985 | 499 | 0 |
| 1986 | 478 | 0 |
| 1987 | 544 | 0 |
| 1988 | 483 | 0 |
| 1989 | 543 | 0 |
| 1990 | 530 | 0 |
| 1991 | 644 | 0 |
| 1992 | 551 | 0 |
| 1993 | 537 | 0 |
| 1994 | 632 | 0 |
| 1995 | 670 | 0 |
| 1996 | 642 | 0 |
| 1997 | 563 | 0 |
| 1998 | 854 | 0 |
| 1999 | 959 | 0 |
| 2000 | 1083 | 0 |
| 2001 | 967 | 282 |
| 2002 | 948 | 1059 |
| 2003 | 951 | 1168 |
| 2004 | 1031 | 1636 |
| 2005 | 958 | 1850 |
| 2006 | 1179 | 1950 |
| 2007 | 1155 | 2104 |
| 2008 | 1101 | 2259 |
| 2009 | 1042 | 2467 |
| 2010 | 1394 | 2883 |
| 2011 | 1583 | 2801 |
| 2012 | 2022 | 3126 |
| 2013 | 2482 | 3624 |
| 2014 | 2901 | 3696 |
| 2015 | 3129 | 3754 |
| 2016 | 3361 | 3685 |
| 2017 | 3425 | 4032 |
| 2018 | 3374 | 3993 |
| 2019 | 3991 | 4188 |
| 2020 | 3696 | 4071 |
| 2021 | 3053 | 3746 |
| 2022 | 2983 | 3597 |
| 2023 | 2819 | 3527 |
| 2024 | 2992 | 3598 |
| 2025 | 2757 | 2962 |
| 2026 | 1740 | 2255 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H05B 45/00Circuit arrangements for operating light-emitting diodes [led]20,127
- H05B 47/00Circuit arrangements for operating light sources in general, i.e. where the type16,944
- H05B 3/00Ohmic-resistance heating12,651
- H05B 6/00Heating by electric, magnetic or electromagnetic fields10,306
- H05B 33/00Electroluminescent light sources8,475
- H05B 41/00Circuit arrangements or apparatus for igniting or operating discharge lamps8,085
- H05B 2203/00Aspects relating to ohmic resistive heating covered by group h05b3/00Indexing code5,705
- H05B 1/00Details of electric heating devices4,499
All 18 main groupsShow fewer
- H05B 39/00Circuit arrangements or apparatus for operating incandescent light sources1,754
- H05B 7/00Heating by electric discharge949
- H05B 2206/00Aspects relating to heating by electric, magnetic, or electromagnetic fields covered byIndexing code886
- H05B 2214/00Aspects relating to resistive heating, induction heating and heating using microwaves, coveredIndexing code879
- H05B 2213/00Aspects relating both to resistive heating and to induction heating, covered byIndexing code827
- H05B 44/00Circuit arrangements for operating electroluminescent light sources469
- H05B 35/00Electric light sources using a combination of different types of light generation188
- H05B 31/00Electric arc lamps125
- H05B 11/00Heating by combined application of processes covered by two or more of47
- H05B 46/00Circuit arrangements for operating light sources using a charge of combustible material3
Recent patents
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- Vaping and smoking device and capsules6 Oct 2026US 12,751,488 B2N2B Limited
- Non-combustible aerosol provision device6 Oct 2026US 12,751,490 B2Nicoventures Trading Limited
- Smoking article for identifying an attribute of an aerosol-generating element for adaptive power output and an associated method6 Oct 2026US 12,751,493 B2RAI Strategic Holdings, Inc.
- Apparatus for an aerosol generating device6 Oct 2026US 12,751,497 B2Nicoventures Trading Limited
- A method of operating a baking oven and baking oven8 Oct 2026US 2026/0305621 A1E. G. O. Elektro-Geratebau GmbH
- An Aerosol Generation Consumable with a Rounded Periphery8 Oct 2026US 2026/0305694 A1JT International SA
- Aerosol-generating system including a cartridge containing a gel and a device for heating the cartridge8 Oct 2026US 2026/0305695 A1Altria Client Services LLC
- Heating assembly, atomizer and aerosol generating device8 Oct 2026US 2026/0305700 A1Shenzhen Woody Vapes Technology Co., Ltd.
- Aerosol generating device8 Oct 2026US 2026/0305707 A1Kt&G Corporation
Most cited
By later US patents
- Electroluminescent devices2,432US 5,247,190 ACambridge Capital Management Limited · 1993
- Electroluminescent device with modified thin film luminescent zone2,310US 4,769,292 AEastman Kodak Company · 1988
- OLEDs doped with phosphorescent compounds1,989US 6,303,238 B1The Trustees of Princeton University · 2001
- Vacuum deposited, non-polymeric flexible organic light emitting devices1,740US 5,844,363 AThe Trustees of Princeton Univ. · 1998
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001