F28D 2021/0056
For ovens or furnaces
Official title: {for ovens or furnaces}
F28D2021/0056 (For ovens or furnaces) appears on 34 US grants and 49 published applications in this corpus.
Search patents in F28D- Granted patents
- 34
- Published applications
- 49
- Assignees
- 36
- Inventors
- 93
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 4 | 4 |
| 2020 | 5 | 5 |
| 2021 | 0 | 5 |
| 2022 | 2 | 6 |
| 2023 | 4 | 4 |
| 2024 | 4 | 2 |
| 2025 | 5 | 3 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat transfer enhancement pipe as well as cracking furnace and atmospheric and vacuum heating furnace including the same23 Jun 2026US 12,663,224 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Cooking system and heat exchanger with combustion chamber12 May 2026US 12,622,436 B2
- Atomic layer deposition apparatus12 May 2026US 12,624,451 B2Hervannan Sauna Oy
- Cooking apparatus with thermal energy storage system11 Nov 2025US 12,467,696 B2
- Thermal cracking tube with fluid agitating element29 Jul 2025US 12,372,312 B2Kubota Corporation
- Cooking system and heat exchanger with combustion chamber17 Sep 2026US 2026/0271942 A1
- Thermal Energy Storage System3 Apr 2025US 2025/0109912 A1
- Gas Furnace with Heat Exchanger20 Mar 2025US 2025/0093107 A1Goodman Manufacturing Company, L. P.
- Cooking system and heat exchanger with combustion chamber13 Feb 2025US 2025/0049042 A1
- Apparatus and method for heating process media in a fiber molding process21 Nov 2024US 2024/0384937 A1KIEFEL GmbH
Most cited
By later US patents
- Hot air oven32US 10,258,049 B2Revent International AB · 2019
- Regenerative cooling method and apparatus18US 10,618,026 B2Monolith Materials, Inc. · 2020
- Regenerative cooling method and apparatus6US 11,998,886 B2Monolith Materials, Inc. · 2024
- Nickel-base radiant tube and method for making the same6US 8,733,619 B2Arcelormittal Investigacion Y Desarrollo, S.L. · 2014
- Reducing pre-heat time in an oven3US 9,222,678 B2General Electric Company · 2015