F24H 9/2028
Continuous-flow heaters
Official title: {Continuous-flow heaters}
F24H9/2028 (Continuous-flow heaters) appears on 208 US grants and 290 published applications in this corpus.
Search patents in F24H- Granted patents
- 208
- Published applications
- 290
- Assignees
- 162
- Inventors
- 556
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 4 |
| 2003 | 4 | 3 |
| 2004 | 3 | 2 |
| 2005 | 3 | 3 |
| 2006 | 5 | 7 |
| 2007 | 3 | 3 |
| 2008 | 1 | 5 |
| 2009 | 5 | 10 |
| 2010 | 1 | 11 |
| 2011 | 5 | 7 |
| 2012 | 9 | 14 |
| 2013 | 9 | 16 |
| 2014 | 5 | 15 |
| 2015 | 6 | 12 |
| 2016 | 11 | 18 |
| 2017 | 8 | 10 |
| 2018 | 9 | 12 |
| 2019 | 11 | 18 |
| 2020 | 9 | 24 |
| 2021 | 10 | 20 |
| 2022 | 13 | 14 |
| 2023 | 13 | 9 |
| 2024 | 12 | 17 |
| 2025 | 9 | 28 |
| 2026 | 6 | 8 |
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
- Stepped segmental baffle for electric process heater1 Sep 2026US 12,723,776 B2
- Safety control system for electric water heater2 Jun 2026US 12,644,626 B2National Kaohsiung University of Science and Technology
- Water heater device with TRIAC and method of use19 May 2026US 12,631,370 B2
- Heater bundles having virtual sensing for thermal gradient compensation24 Feb 2026US 12,560,356 B2Watlow Electric Manufacturing Company
- Electric heater for vehicle6 Aug 2026US 2026/0227093 A1I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- Electric heater for vehicle6 Aug 2026US 2026/0227094 A1I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- Heating device30 Jul 2026US 2026/0218941 A1Valeo Systemes Thermiques
- Modular Electric Boiler and Heat Exchanger7 May 2026US 2026/0126209 A1Diversified Heat Transfer, Inc.
- Devices for ohmically heating a fluid26 Mar 2026US 2026/0089807 A1OhmlQ, Inc.
Most cited
By later US patents
- Microprocessor controlled tankless water heater system129US 5,504,306 AChronomite Laboratories, Inc. · 1996
- Fluid heater with improved heating elements controller107US 6,080,971 A2000
- Control system for bathers94US 6,590,188 B2Balboa Instruments, Inc. · 2003
- Control system for bathers93US 6,282,370 B1Balboa Instruments, Inc. · 2001
- Fluid heater with improved heating elements controller91US 5,866,880 A1999