H05B 3/0023
For heating by passing the current directly across the material to be
Official title: {for heating by passing the current directly across the material to be heated}
H05B3/0023 (For heating by passing the current directly across the material to be) appears on 98 US grants and 48 published applications in this corpus.
Search patents in H05B- Granted patents
- 98
- Published applications
- 48
- Assignees
- 79
- Inventors
- 237
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 6 |
| 2020 | 2 | 8 |
| 2021 | 1 | 3 |
| 2022 | 7 | 5 |
| 2023 | 6 | 8 |
| 2024 | 4 | 2 |
| 2025 | 4 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resistive liquid heater2 Jun 2026US 12,644,624 B2Dyson Technology Limited
- De-icing systems and control13 Jan 2026US 12,522,363 B2De-Ice Technologies, Inc.
- PTC heating cell26 Aug 2025US 12,402,212 B2Eberspacher catem GmbH & Co.KG
- Self-heating control circuit and system10 Jun 2025US 12,327,846 B2Contemporary Amperex Technology (Hong Kong) Limited
- Method for detecting overheating of a heating device, and corresponding control unit18 Mar 2025US 12,253,866 B2Valeo Systemes Thermiques
- Ac short-circuit ice-melting control method and ice-melting distribution transformer27 Aug 2026US 2026/0254221 A1Guizhou Power Grid Company Limited
- Thermal infrared radiator apparatus30 Jul 2026US 2026/0223253 A1Beam-Tech Corporation
- A power converter23 Apr 2026US 2026/0112958 A1IXL Netherlands B.V.
- Processing apparatus, method of manufacturing food product, and food product20 Nov 2025US 2025/0351850 A1Sodick Co., Ltd.
- Vaping and smoking device and capsules23 Oct 2025US 2025/0325020 A1N2B Limited
Most cited
By later US patents
- Heating power supply apparatus for polycrystalline semiconductor rods36US 4,562,338 AOsaka Titanium Co., Ltd. · 1985
- Ferromagnetic element with temperature regulation24US 4,769,519 AMetcal, Inc. · 1988
- Bushing balance controller and method for using same23US 4,657,572 AOwens-Corning Fiberglas Corporation · 1987
- Electric boosting control for a glass forehearth19US 4,389,725 AOwens-Illinois, Inc. · 1983
- Apparatus and methods of operation for converting fly ash into high quality mineral wool19US 4,486,211 AEnergy Fibers Int'l. Corp. · 1984