- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in general; valves or dampers specially adapted for controlling air supply or draught in combustion apparatus; inducing draught in combustion apparatus; tops for chimneys or ventilating shafts; terminals for flues
- F23L 13/04 - Construction of valves or dampers for controlling air supply or draught pivoted about a single axis but having no other movement with axis perpendicular to face
Patent holdings for IPC class F23L 13/04
Total number of patents in this class: 14
10-year publication summary
4
|
1
|
1
|
3
|
1
|
1
|
1
|
0
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lochinvar, LLC | 102 |
5 |
Rheem Manufacturing Company | 861 |
2 |
Fabricant de Poêles International Inc. | 24 |
1 |
Fives Stein | 96 |
1 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
1 |
Taikisha Ltd. | 110 |
1 |
K.B.C. Group, Inc | 2 |
1 |
Ariston Thermo S.p.A. | 20 |
1 |
Magma Products, composed of James S. Mashburn and Jerry P. Mashburn | 2 |
1 |
Other owners | 0 |