H05B 3/00
Ohmic-resistance heating
H05B3/00 (Ohmic-resistance heating) appears on 12,651 US grants and 13,410 published applications in this corpus.
Search patents in H05B- Granted patents
- 12,651
- Published applications
- 13,410
- Assignees
- 4,808
- Inventors
- 23,996
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 173 | 0 |
| 1977 | 173 | 0 |
| 1978 | 141 | 0 |
| 1979 | 89 | 0 |
| 1980 | 109 | 0 |
| 1981 | 166 | 0 |
| 1982 | 134 | 0 |
| 1983 | 125 | 0 |
| 1984 | 143 | 0 |
| 1985 | 155 | 0 |
| 1986 | 134 | 0 |
| 1987 | 166 | 0 |
| 1988 | 138 | 0 |
| 1989 | 160 | 0 |
| 1990 | 145 | 0 |
| 1991 | 174 | 0 |
| 1992 | 142 | 0 |
| 1993 | 145 | 0 |
| 1994 | 158 | 0 |
| 1995 | 169 | 0 |
| 1996 | 118 | 0 |
| 1997 | 122 | 0 |
| 1998 | 185 | 0 |
| 1999 | 216 | 0 |
| 2000 | 305 | 0 |
| 2001 | 238 | 82 |
| 2002 | 204 | 211 |
| 2003 | 189 | 250 |
| 2004 | 199 | 309 |
| 2005 | 182 | 293 |
| 2006 | 199 | 288 |
| 2007 | 170 | 322 |
| 2008 | 121 | 288 |
| 2009 | 103 | 299 |
| 2010 | 142 | 331 |
| 2011 | 138 | 341 |
| 2012 | 180 | 283 |
| 2013 | 254 | 398 |
| 2014 | 241 | 423 |
| 2015 | 247 | 548 |
| 2016 | 355 | 641 |
| 2017 | 363 | 739 |
| 2018 | 492 | 800 |
| 2019 | 615 | 752 |
| 2020 | 642 | 855 |
| 2021 | 544 | 904 |
| 2022 | 587 | 889 |
| 2023 | 611 | 871 |
| 2024 | 732 | 907 |
| 2025 | 656 | 751 |
| 2026 | 362 | 635 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05B 3/20Heating elements having extended surface area substantially in a two-dimensional [2d] plane3,645
- H05B 3/40Heating elements having the shape of rods or tubes3,062
- H05B 3/10Heating elements characterised by the composition or nature of the materials or2,859
- H05B 3/02Details1,939
- H05B 3/84Heating arrangements specially adapted for transparent or reflecting areas1,335
- H05B 3/68Heating arrangements specially adapted for cooking plates or analogous hot-plates1,106
- H05B 3/0033Heating devices using lamps939
- H05B 3/78Heating arrangements specially adapted for immersion heating523
All 14 subgroupsShow fewer
- H05B 3/0014Devices wherein the heating current flows through particular resistances454
- H05B 3/62Heating elements specially adapted for furnaces329
- H05B 3/0004Devices wherein the heating current flows through the material to be heated285
- H05B 3/0095Heating devices in the form of rollers236
- H05B 3/0019Circuit arrangements227
- H05B 3/60Heating arrangements wherein the heating current flows through granular powdered or fluid185
Recent patents
- 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
- Safety belt and safety belt heating apparatus6 Oct 2026US 12,752,732 B2Autoliv Development AB
- Dielectric heating device6 Oct 2026US 12,753,972 B2Seiko Epson Corporation
- Vehicle camera system6 Oct 2026US 12,754,415 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- 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
- 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
- Heater assembly and cartridge8 Oct 2026US 2026/0305709 A1HG Innovation Limited
Most cited
By later US patents
- Heater for an electric flavor-generating article814US 5,322,075 APhilip Morris Incorporated · 1994
- Electronic atomization cigarette779US 7,832,410 B2Best Partners Worldwide Limited · 2010
- Polymer compositions exhibiting a PTC property and methods of fabrication755US 7,309,849 B2SurgRx, Inc. · 2007
- Electrical smoking system for delivering flavors and method for making same740US 5,388,594 APhilip Morris Incorporated · 1995
- Composite tubing product726US 4,194,536 AEaton Corporation · 1980