- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridges; devices for deflecting air, flames or combustion products in combustion chambers; safety arrangements specially adapted for combustion apparatus; details of combustion chambers, not otherwise provided for
- F23M 3/04 - Firebridges modified for circulation of fluids, e.g. air, steam, water for delivery of gas, e.g. air, steam
Patent holdings for IPC class F23M 3/04
Total number of patents in this class: 18
10-year publication summary
0
|
1
|
1
|
0
|
0
|
0
|
2
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Zeeco, Inc. | 39 |
2 |
Caterpillar Inc. | 8877 |
1 |
Air Products and Chemicals, Inc. | 1448 |
1 |
Blasch Precision Ceramics, Inc. | 36 |
1 |
The BOC Group, Inc. | 47 |
1 |
Burner Systems International, Inc. | 15 |
1 |
Field Controls, LLC | 80 |
1 |
Grand Mate Co., Ltd. | 90 |
1 |
Hauck Manufacturing Company | 8 |
1 |
Johns Manville | 980 |
1 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
1 |
Praxair Technology, Inc. | 1367 |
1 |
Precision Combustion, Inc. | 109 |
1 |
Selas Heat Technology Company LLC | 41 |
1 |
Vast Holdings, LLC | 16 |
1 |
The North American Manufacturing Company, Ltd. | 6 |
1 |
Ademco Inc. | 1374 |
1 |
Other owners | 0 |