H05B 3/80
Portable immersion heaters
H05B3/80 (Portable immersion heaters) appears on 118 US grants and 91 published applications in this corpus.
Search patents in H05B- Granted patents
- 118
- Published applications
- 91
- Assignees
- 68
- Inventors
- 194
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 0 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 4 |
| 2010 | 2 | 6 |
| 2011 | 2 | 2 |
| 2012 | 5 | 0 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 5 |
| 2017 | 3 | 6 |
| 2018 | 4 | 4 |
| 2019 | 5 | 10 |
| 2020 | 8 | 5 |
| 2021 | 2 | 8 |
| 2022 | 4 | 6 |
| 2023 | 5 | 5 |
| 2024 | 6 | 2 |
| 2025 | 5 | 3 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid formations of non-volatile bituminous materials suitable for reducing carbon dioxide emissions during transport16 Dec 2025US 12,497,566 B2Philergos Group Foundation
- Immersion circulator cooking devices28 Oct 2025US 12,457,667 B2Breville Pty Limited
- Portable food warmer23 Sep 2025US 12,426,131 B2
- Sous vide device24 Jun 2025US 12,336,653 B2Breville Pty Limited
- Device for evaporating volatile substances1 Apr 2025US 12,263,281 B2Zobele Holding SPA
- Vaporizing device27 Aug 2026US 2026/0248191 A1
- Liquid heating device27 Aug 2026US 2026/0251351 A1Toshiba Lighting & Technology Corporation
- Heated temperature probe and method of using in a fryer vat28 May 2026US 2026/0146884 A1The Frymaster Corporation
- Heater, and fluid heating device12 Feb 2026US 2026/0046982 A1Toshiba Lighting & Technology Corporation
- An electrical fluid heater29 Jan 2026US 2026/0029159 A1Valeo Systemes Thermiques
Most cited
By later US patents
- Automization nozzle of electronic atomization inhaler84US 9,504,279 B2Shenzhen Smoore Technology Limited · 2016
- Mouth to lung convertible electronic cigarettes and methods of using the same33US 10,609,962 B2Shenzhen Kanger Technology Co., Ltd. · 2020
- E-cigarette with a plurality of heating components27US 10,973,087 B2O-Net Automation Technology (Shenzhen) Limited · 2021
- Aquarium water temperature controller27US 6,097,007 AEiko Electric Products Corp. · 2000
- Thermostatically protected electric immersion water heater26US 4,068,116 ANelson Manufacturing Company · 1978