H05B 3/30
On or between metallic plates
Official title: on or between metallic plates
H05B3/30 (On or between metallic plates) appears on 68 US grants and 48 published applications in this corpus.
Search patents in H05B- Granted patents
- 68
- Published applications
- 48
- Assignees
- 62
- Inventors
- 188
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 8 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 4 | 2 |
| 2019 | 4 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 4 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus and method for controlling a substrate temperature23 Sep 2025US 12,424,421 B2NHK Spring Co., Ltd.
- Substrate treating apparatus and substrate treating method13 May 2025US 12,300,515 B2Semes Co., Ltd.
- Electric heater for tank9 Apr 2024US 11,956,866 B2I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- PTC heating element and electrical heating device with such a PTC heating element13 Jun 2023US 11,678,408 B2Eberspacher catem GmbH & Co.KG
- Electric heating device for a vehicle25 Jun 2026US 2026/0181744 A1
- Multipurpose heating device for human, vegetation and animal5 Mar 2026US 2026/0063302 A1Smart City Solutions India Private Limited
- Stage31 Jul 2025US 2025/0246454 A1NHK Spring Co., Ltd.
- Stage26 Jun 2025US 2025/0210408 A1NHK Spring Co., Ltd.
- Heater unit22 May 2025US 2025/0168934 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Radiant plate heater for treatment of contaminated surfaces309US 5,553,189 AShell Oil Company · 1996
- Electric heating device for heating sterilized fluids, such as blood189US 4,309,592 A1982
- Method and apparatus for introducing a fluid into a human or animal organism as well as method and heating device for temperature control139US 4,844,074 ARolitron Muszaki-Fejleszto Kisszovetkezet · 1989
- Container heating jacket122US 3,968,348 A1976
- Wafer holding member94US 6,133,557 AKYOCERA Corporation · 2000