F24H 1/102
With resistance
Official title: {with resistance}
F24H1/102 (With resistance) appears on 334 US grants and 420 published applications in this corpus.
Search patents in F24H- Granted patents
- 334
- Published applications
- 420
- Assignees
- 250
- Inventors
- 887
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 8 |
| 2003 | 5 | 3 |
| 2004 | 4 | 9 |
| 2005 | 9 | 10 |
| 2006 | 8 | 8 |
| 2007 | 4 | 7 |
| 2008 | 2 | 3 |
| 2009 | 4 | 8 |
| 2010 | 7 | 7 |
| 2011 | 5 | 9 |
| 2012 | 10 | 11 |
| 2013 | 5 | 28 |
| 2014 | 8 | 20 |
| 2015 | 8 | 25 |
| 2016 | 11 | 18 |
| 2017 | 27 | 21 |
| 2018 | 14 | 25 |
| 2019 | 16 | 23 |
| 2020 | 27 | 36 |
| 2021 | 11 | 28 |
| 2022 | 15 | 25 |
| 2023 | 20 | 19 |
| 2024 | 17 | 23 |
| 2025 | 12 | 32 |
| 2026 | 11 | 14 |
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
- Heater and heating pool15 Sep 2026US 12,736,254 B2Oriental Recreational Products (Shanghai) Co., Ltd
- Stepped segmental baffle for electric process heater1 Sep 2026US 12,723,776 B2
- Heating element with open-cell structure4 Aug 2026US 12,701,640 B2Kanthal AB
- Flow heater for automobiles2 Jun 2026US 12,644,623 B2BorgWarner Ludwigsburg GmbH
- Flow Through Heaters and Methods of Manufacture Thereof8 Oct 2026US 2026/0309364 A1Otter Controls Limited
- Smart electric heater for bathing installations8 Oct 2026US 2026/0309370 A1Balboa Water Group, Inc.
- Clamshell heater24 Sep 2026US 2026/0287207 A1ASM IP Holding B. V.
- Brewing and cooling a beverage17 Sep 2026US 2026/0272211 A1ColdSnap, Corp.
- Liquid heating device27 Aug 2026US 2026/0251351 A1Toshiba Lighting & Technology Corporation
Most cited
By later US patents
- Integral conductive polymer resistance heated tubing118US 5,713,864 ASIMS Level 1, Inc. · 1998
- Tankless water heater assembly115US 5,408,578 A1995
- Porous ceramic body electrical resistance fluid heater105US 5,117,482 AAutomated Dynamics Corporation · 1992
- Flexible gas hose assembly with concentric helical tube members having reinforcement spring coils105US 5,600,752 AIndustrial Design Laboratories Inc. · 1997
- Electric fluid heating device93US 3,934,117 A1976