H05B 3/44
Heating conductor arranged within rods or tubes of insulating material
Official title: heating conductor arranged within rods or tubes of insulating material
H05B3/44 (Heating conductor arranged within rods or tubes of insulating material) appears on 660 US grants and 872 published applications in this corpus.
Search patents in H05B- Granted patents
- 660
- Published applications
- 872
- Assignees
- 330
- Inventors
- 1,286
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 1 | 3 |
| 2002 | 4 | 7 |
| 2003 | 4 | 7 |
| 2004 | 6 | 8 |
| 2005 | 3 | 7 |
| 2006 | 10 | 4 |
| 2007 | 2 | 14 |
| 2008 | 5 | 5 |
| 2009 | 6 | 3 |
| 2010 | 4 | 8 |
| 2011 | 2 | 12 |
| 2012 | 3 | 8 |
| 2013 | 10 | 20 |
| 2014 | 5 | 20 |
| 2015 | 11 | 20 |
| 2016 | 16 | 44 |
| 2017 | 25 | 78 |
| 2018 | 45 | 126 |
| 2019 | 61 | 62 |
| 2020 | 82 | 81 |
| 2021 | 56 | 66 |
| 2022 | 46 | 47 |
| 2023 | 51 | 57 |
| 2024 | 59 | 65 |
| 2025 | 46 | 57 |
| 2026 | 18 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Infrared radiation source8 Sep 2026US 12,733,071 B2Infineon Technologies AG
- Aerosol-generating system with puff detector21 Jul 2026US RE50,963 E1Altria Client Services LLC
- Electronic smoking device with a heating element having a modified surface2 Jun 2026US 12,642,308 B2Fontem Ventures B.V.
- Method of making e-vaping cartridge with hydrogel in cavity19 May 2026US 12,635,040 B2Altria Client Services LLC
- Planar heating element, and clothing management apparatus, hot/cold water purifier and floor heating panel for building, comprising the same12 May 2026US 12,628,246 B2S Plus Comtech Co., Ltd.
- Heater device, heating unit, and method for manufacturing heater device8 Oct 2026US 2026/0313757 A1Nichias Corporation
- Heater assembly with shielded microporous insulation10 Sep 2026US 2026/0262729 A1Philip Morris Products S. A.
- Method of making e-vaping cartridge including configuring hydrogel within cavity10 Sep 2026US 2026/0271138 A1Altria Client Services LLC
- Electronic cigarette27 Aug 2026US 2026/0249028 A1Altria Client Services LLC
- Liquid heating device27 Aug 2026US 2026/0251351 A1Toshiba Lighting & Technology Corporation
Most cited
By later US patents
- Heater for an electric flavor-generating article814US 5,322,075 APhilip Morris Incorporated · 1994
- Heater-sensor complex502US 6,054,678 AHakko Corporation · 2000
- Radiant plate heater for treatment of contaminated surfaces309US 5,553,189 AShell Oil Company · 1996
- Vaporization device systems and methods175US 9,549,573 B2Pax Labs, Inc. · 2017
- Cartridge for an aerosol delivery device and method for assembling a cartridge for a smoking article146US 9,220,302 B2R. J. Reynolds Tobacco Company · 2015