H05B 3/60
Heating arrangements wherein the heating current flows through granular powdered or fluid
Official title: Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating (H05B3/38 takes precedence)
H05B3/60 (Heating arrangements wherein the heating current flows through granular powdered or fluid) appears on 185 US grants and 95 published applications in this corpus.
Search patents in H05B- Granted patents
- 185
- Published applications
- 95
- Assignees
- 133
- Inventors
- 452
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 4 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 0 | 5 |
| 2010 | 4 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 1 | 6 |
| 2015 | 0 | 5 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 2 | 4 |
| 2019 | 5 | 6 |
| 2020 | 3 | 4 |
| 2021 | 2 | 7 |
| 2022 | 3 | 4 |
| 2023 | 6 | 8 |
| 2024 | 4 | 8 |
| 2025 | 5 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular platform electric trench heater9 Dec 2025US 12,495,469 B2The Marley Company
- Devices for ohmically heating a fluid2 Dec 2025US 12,490,347 B2OhmIQ, Inc.
- Ohmic heater with multiple operating states7 Oct 2025US 12,439,479 B2OhmIQ, Inc.
- Ohmic heater with flow rate measurement24 Jun 2025US 12,339,038 B2OhmIQ, Inc.
- Process to conduct an alkane transformation into olefins in an electrified fluidized bed reactor7 Jan 2025US 12,187,675 B2Totalenergies Onetech
- Load adjustable electrode hot water boiler1 Oct 2026US 2026/0304561 A1Fangkuai Boiler Co., Ltd.
- Devices for ohmically heating a fluid26 Mar 2026US 2026/0089807 A1OhmlQ, Inc.
- Ohmic heater with multiple operating states8 Jan 2026US 2026/0013007 A1OhmlQ, Inc.
- Circuit arrangement and electric heater for use in a vehicle11 Sep 2025US 2025/0287471 A1Webasto SE
- Filamented cask for graphitization of carbon material24 Oct 2024US 2024/0357711 A1GrafTech International Holdings Inc.
Most cited
By later US patents
- Conduction heating of hydrocarbonaceous formations261US 4,545,435 AIIT Research Institute · 1985
- Apparatus for electrode heating of earth for recovery of subsurface volatiles and semi-volatiles175US 5,621,845 AIIT Research Institute · 1997
- High efficiency system for melting molten aluminum111US 5,963,580 A1999
- Battery heating system using internal battery resistance87US 5,362,942 AInterDigital Technology Corporation · 1994
- Separation of dissolved and undissolved substances from liquids using high energy discharge initiated shock waves63US 4,957,606 A1990