H05B 3/56
Heating cables
H05B3/56 (Heating cables) appears on 531 US grants and 510 published applications in this corpus.
Search patents in H05B- Granted patents
- 531
- Published applications
- 510
- Assignees
- 318
- Inventors
- 1,127
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 17 | 0 |
| 1987 | 18 | 0 |
| 1988 | 14 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 10 |
| 2002 | 14 | 12 |
| 2003 | 9 | 10 |
| 2004 | 11 | 11 |
| 2005 | 5 | 14 |
| 2006 | 10 | 15 |
| 2007 | 18 | 17 |
| 2008 | 4 | 17 |
| 2009 | 4 | 19 |
| 2010 | 9 | 9 |
| 2011 | 6 | 16 |
| 2012 | 8 | 13 |
| 2013 | 14 | 11 |
| 2014 | 6 | 23 |
| 2015 | 11 | 18 |
| 2016 | 14 | 26 |
| 2017 | 13 | 22 |
| 2018 | 18 | 26 |
| 2019 | 19 | 26 |
| 2020 | 18 | 49 |
| 2021 | 19 | 21 |
| 2022 | 23 | 27 |
| 2023 | 14 | 28 |
| 2024 | 18 | 29 |
| 2025 | 20 | 20 |
| 2026 | 11 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Safety belt and safety belt heating apparatus6 Oct 2026US 12,752,732 B2Autoliv Development AB
- Heater including a heating wire having a zig-zag shape, and a fixing device, an image formation device, and a heating device with such a heater29 Sep 2026US 12,748,368 B2Misuzu Industry Co., Ltd.
- Conductive aerosol generating composite substrate for aerosol source member22 Sep 2026US 12,742,266 B2R. J. Reynolds Tobacco Company
- Towel heating barrel14 Jul 2026US 12,677,997 B1Guangzhou Hansong Tuojiang Technology Co., Ltd.
- Apparatus for electronic component and heating cable mounting12 May 2026US 12,628,309 B2Chemelex Europe GmbH
- Safety belt and safety belt heating apparatus3 Sep 2026US 2026/0257644 A1Autoliv Development AB
- Mineral insulated cable, method of manufacturing a mineral insulated cable, and method and system for heating a substance20 Aug 2026US 2026/0245768 A1Shell USA, Inc.
- Mineral insulated cable, method of manufacturing a mineral insulated cable, and method and system for heating a substance20 Aug 2026US 2026/0247499 A1Shell USA, Inc.
- Integrated busbar frame for ceramic positive temperature coefficient heaters20 Aug 2026US 2026/0248056 A1
- Heat tracing monitoring system and heat tracing monitoring method30 Jul 2026US 2026/0218832 A1Innocreative System Co.,Ltd
Most cited
By later US patents
- Self-regulating heater employing reactive components419US 4,849,611 ARaychem Corporation · 1989
- Heating rate variant elongated electrical resistance heater353US 4,704,514 A1987
- Heater utilizing copper-nickel alloy core349US 5,060,287 AShell Oil Company · 1991
- Electric heating apparatus for de-icing pipes309US 4,423,311 A1983
- Process of electric pipeline heating utilizing heating elements inserted in pipelines288US 5,182,792 APetroleo Brasileiro S.A. - Petrobras · 1993