H05B 3/20
Heating elements having extended surface area substantially in a two-dimensional [2d] plane
Official title: Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater (H05B3/62, H05B3/68, H05B3/78, H05B3/84 take precedence)
H05B3/20 (Heating elements having extended surface area substantially in a two-dimensional [2d] plane) appears on 3,645 US grants and 4,882 published applications in this corpus.
Search patents in H05B- Granted patents
- 3,645
- Published applications
- 4,882
- Assignees
- 1,876
- Inventors
- 8,631
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 26 | 0 |
| 1978 | 13 | 0 |
| 1979 | 14 | 0 |
| 1980 | 12 | 0 |
| 1981 | 31 | 0 |
| 1982 | 21 | 0 |
| 1983 | 11 | 0 |
| 1984 | 24 | 0 |
| 1985 | 23 | 0 |
| 1986 | 36 | 0 |
| 1987 | 36 | 0 |
| 1988 | 27 | 0 |
| 1989 | 44 | 0 |
| 1990 | 26 | 0 |
| 1991 | 44 | 0 |
| 1992 | 31 | 0 |
| 1993 | 19 | 0 |
| 1994 | 41 | 0 |
| 1995 | 27 | 0 |
| 1996 | 28 | 0 |
| 1997 | 29 | 0 |
| 1998 | 37 | 0 |
| 1999 | 39 | 0 |
| 2000 | 79 | 0 |
| 2001 | 63 | 22 |
| 2002 | 56 | 72 |
| 2003 | 45 | 91 |
| 2004 | 60 | 90 |
| 2005 | 60 | 87 |
| 2006 | 50 | 87 |
| 2007 | 49 | 95 |
| 2008 | 25 | 93 |
| 2009 | 20 | 113 |
| 2010 | 50 | 123 |
| 2011 | 30 | 109 |
| 2012 | 50 | 103 |
| 2013 | 80 | 163 |
| 2014 | 71 | 148 |
| 2015 | 100 | 199 |
| 2016 | 127 | 185 |
| 2017 | 110 | 241 |
| 2018 | 149 | 262 |
| 2019 | 177 | 272 |
| 2020 | 210 | 353 |
| 2021 | 192 | 357 |
| 2022 | 215 | 352 |
| 2023 | 238 | 391 |
| 2024 | 285 | 364 |
| 2025 | 250 | 281 |
| 2026 | 139 | 229 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-combustible aerosol provision device6 Oct 2026US 12,751,490 B2Nicoventures Trading Limited
- Vehicle camera system6 Oct 2026US 12,754,415 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Heated mat6 Oct 2026US 12,757,296 B2Carter Associates, Inc.
- Aerosol generating device comprising semiconductor heaters29 Sep 2026US 12,746,349 B2Altria Client Services LLC
- Supporting unit and apparatus for treating substrate29 Sep 2026US 12,749,662 B2Semes Co., Ltd.
- Anti-fatigue mat8 Oct 2026US 2026/0305857 A1Livyi LLC
- Function-adding adapter for a magnetic stirrer, and magnetic stirrer arrangement8 Oct 2026US 2026/0307030 A1IKA-Werke GmbH & Co. KG
- Insulated and heated glove bag for powerline workers8 Oct 2026US 2026/0307881 A1
- Method for manufacturing embedded trace substrate8 Oct 2026US 2026/0313755 A1Nissha Co., Ltd.
- Conductive sheet, resin molded article, and method for manufacturing resin molded article8 Oct 2026US 2026/0313756 A1Nissha Co., Ltd.
Most cited
By later US patents
- Electrical smoking system for delivering flavors and method for making same740US 5,388,594 APhilip Morris Incorporated · 1995
- Flavor generating article710US 5,865,185 APhilip Morris Incorporated · 1999
- Electrical smoking article and method for making same571US 5,505,214 APhilip Morris Incorporated · 1996
- Wafer heating apparatus541US 6,753,507 B2KYOCERA Corporation · 2004
- Heating device, coating/developing system, heating method, coating/developing method, and recording medium having program for executing heating method or coating/developing method472US 8,927,906 B2Tokyo Electron Limited · 2015