F26B 23/04
Heating arrangements: using electric heating
Official title: using electric heating (F26B23/10 takes precedence)
F26B23/04 (Heating arrangements: using electric heating) appears on 152 US grants and 227 published applications in this corpus.
Search patents in F26B- Granted patents
- 152
- Published applications
- 227
- Assignees
- 132
- Inventors
- 460
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 3 | 4 |
| 2012 | 1 | 1 |
| 2013 | 0 | 5 |
| 2014 | 1 | 6 |
| 2015 | 2 | 13 |
| 2016 | 5 | 8 |
| 2017 | 3 | 7 |
| 2018 | 12 | 19 |
| 2019 | 14 | 7 |
| 2020 | 13 | 16 |
| 2021 | 9 | 14 |
| 2022 | 6 | 8 |
| 2023 | 8 | 19 |
| 2024 | 6 | 26 |
| 2025 | 21 | 38 |
| 2026 | 12 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dielectric heating device6 Oct 2026US 12,753,972 B2Seiko Epson Corporation
- Method to retrofit can oven or dryer29 Sep 2026US 12,747,913 B2Stolle Machinery Company, LLC
- Dehumidification device of package thermal-shrinking oven22 Sep 2026US 12,741,773 B2
- Process for removing water from a particulate material16 Jun 2026US 12,656,059 B2BASF SE
- Desorption apparatus26 May 2026US 12,636,638 B2Spritius Technologies, PBC
- Variable power heater freeze-dryer apparatus and methods of use8 Oct 2026US 2026/0309412 A1Peak & Prairie Industries Corp.
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298534 A1CPM Packaging Ltd
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298538 A1CPM Packaging Ltd
- Apparatus and method for reducing the water content in vegetal or animal inorganic and/or organic compounds10 Sep 2026US 2026/0266546 A1
- Electrode Drying Apparatus and Electrode Manufacturing System13 Aug 2026US 2026/0235359 A1SK On Co., Ltd.
Most cited
By later US patents
- Method and apparatus for controlling the drying and cooling of field-harvested seeds in storage34US 4,800,653 A1989
- System and method for an enhanced hair dryer30US 10,021,952 B2Spur Concepts Inc. · 2018
- Dry kiln and method28US 4,620,373 A1986
- Electromagnetic heating system for calender rolls or the like27US 4,425,489 AKleinewefers GmbH · 1984
- Method and apparatus for controlling product curing heater21US 5,239,613 AAmerican Screen Printing Equipment Company · 1993