F23M 3/16
Built-up in sections
Official title: built-up in sections, e.g. using bars or blocks
F23M3/16 (Built-up in sections) appears on 2 US grants and 4 published applications in this corpus.
Search patents in F23M- Granted patents
- 2
- Published applications
- 4
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication5 Jun 2025US 2025/0179604 A1Maftec Co., Ltd.
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication1 Dec 2022US 2022/0380864 A1Maftec Co., Ltd.
- Multiple spark and multiple sense igniter assembly and system16 Apr 2020US 2020/0116358 A1Baso Gas Products, LLC
- Radiant heat chamber for boilers9 Nov 2017US 2017/0321894 A1
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.