H05B 3/04
Waterproof or air-tight seals for heaters
H05B3/04 (Waterproof or air-tight seals for heaters) appears on 366 US grants and 570 published applications in this corpus.
Search patents in H05B- Granted patents
- 366
- Published applications
- 570
- Assignees
- 235
- Inventors
- 954
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 4 |
| 2007 | 2 | 5 |
| 2008 | 1 | 3 |
| 2009 | 4 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 5 |
| 2014 | 1 | 7 |
| 2015 | 2 | 17 |
| 2016 | 3 | 28 |
| 2017 | 23 | 46 |
| 2018 | 22 | 38 |
| 2019 | 28 | 32 |
| 2020 | 28 | 34 |
| 2021 | 31 | 41 |
| 2022 | 25 | 47 |
| 2023 | 25 | 83 |
| 2024 | 41 | 75 |
| 2025 | 45 | 59 |
| 2026 | 27 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heater bundles having variable power output within zones22 Sep 2026US 12,742,570 B2Watlao Electric Manufacturing Company
- Electric heating device25 Aug 2026US 12,720,644 B2Eberspacher catem GmbH & Co.KG
- Heater and smoking device including heater18 Aug 2026US 12,708,142 B2Shenzhen First Union Technology Co., Ltd.
- Non-water cooled consumable electrode vacuum arc furnace for continuous process14 Jul 2026US 12,680,758 B2
- Heater and cigarette device with the heater16 Jun 2026US 12,653,236 B2Shenzhen First Union Technology Co., Ltd.
- Load adjustable electrode hot water boiler1 Oct 2026US 2026/0304561 A1Fangkuai Boiler Co., Ltd.
- Heating Assembly for an Aerosol Generating Device and Associated Method for Obtaining Said Heating Assembly24 Sep 2026US 2026/0283245 A1JT International SA
- Heating device for dish washer and clothingtreatment device3 Sep 2026US 2026/0262137 A1Dsw Inc.
- Liquid heating device27 Aug 2026US 2026/0251351 A1Toshiba Lighting & Technology Corporation
- Heater tube with thermal insulation and electrical isolation30 Jul 2026US 2026/0215507 A1Philip Morris Products S. A.
Most cited
By later US patents
- 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
- Vaporization device systems and methods122US 10,045,568 B2JUUL Labs, Inc. · 2018
- Vaporization device systems and methods105US 10,058,129 B2JUUL Labs, Inc. · 2018
- Vaporizer apparatus92US 10,111,470 B2JUUL Labs, Inc. · 2018