H05B 3/78
Heating arrangements specially adapted for immersion heating
H05B3/78 (Heating arrangements specially adapted for immersion heating) appears on 523 US grants and 445 published applications in this corpus.
Search patents in H05B- Granted patents
- 523
- Published applications
- 445
- Assignees
- 323
- Inventors
- 1,043
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 15 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 16 | 0 |
| 2000 | 18 | 0 |
| 2001 | 13 | 4 |
| 2002 | 13 | 9 |
| 2003 | 13 | 8 |
| 2004 | 5 | 10 |
| 2005 | 6 | 12 |
| 2006 | 9 | 5 |
| 2007 | 6 | 13 |
| 2008 | 6 | 8 |
| 2009 | 1 | 15 |
| 2010 | 7 | 15 |
| 2011 | 6 | 12 |
| 2012 | 12 | 5 |
| 2013 | 13 | 13 |
| 2014 | 7 | 9 |
| 2015 | 6 | 22 |
| 2016 | 13 | 25 |
| 2017 | 15 | 23 |
| 2018 | 15 | 32 |
| 2019 | 24 | 27 |
| 2020 | 23 | 34 |
| 2021 | 15 | 41 |
| 2022 | 22 | 27 |
| 2023 | 19 | 20 |
| 2024 | 22 | 19 |
| 2025 | 15 | 22 |
| 2026 | 8 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heater bundles having variable power output within zones22 Sep 2026US 12,742,570 B2Watlao Electric Manufacturing Company
- Heating element with open-cell structure4 Aug 2026US 12,701,640 B2Kanthal AB
- Ironing machine21 Jul 2026US 12,686,968 B2Shen Zhen Spiral Galaxy Technology Co., Ltd
- Graphene heater for oil tank of oil field9 Jun 2026US 12,652,727 B2
- Methods for assembling a cartridge for an aerosol delivery device, and associated systems and apparatuses3 Mar 2026US 12,564,692 B2RAI Strategic Holdings, Inc.
- Heating apparatus8 Oct 2026US 2026/0307460 A1Aisan Kogyo Kabushiki Kaisha
- Vaporizing device27 Aug 2026US 2026/0248191 A1
- Liquid heating device27 Aug 2026US 2026/0251351 A1Toshiba Lighting & Technology Corporation
- Detection device and fluid heating device23 Jul 2026US 2026/0214753 A1Aisan Kogyo Kabushiki Kaisha
- Liquid heater module23 Jul 2026US 2026/0214756 A1Lloyds IP Holdings, LLC
Most cited
By later US patents
- Deep well cooker with dual heating elements134US 6,515,262 B12003
- Inline degassing apparatus111US 6,887,424 B2Pyrotek Japan Limited · 2005
- Portable cup for warming beverages85US 5,508,494 A1996
- Automization nozzle of electronic atomization inhaler84US 9,504,279 B2Shenzhen Smoore Technology Limited · 2016
- Method for forming an in-line water heater having a spirally configured heat exchanger81US 5,265,318 A1993