- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23J - Removal or treatment of combustion products or combustion residues; flues
- F23J 13/08 - Doors or covers specially adapted for smoke-boxes, flues, or chimneys
Patent holdings for IPC class F23J 13/08
Total number of patents in this class: 45
10-year publication summary
|
4
|
9
|
2
|
2
|
4
|
1
|
3
|
6
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RLH Industries, Inc. | 9 |
3 |
| 7 Euro Copper, Inc. | 13 |
3 |
| Cardinal IP Holding, LLC | 17 |
3 |
| Bernard Dalsin Manufacturing Company | 10 |
2 |
| D'herville, Florence Anne | 2 |
2 |
| Premier Specialty Brands, LLC | 43 |
2 |
| SunCoke Technology and Development LLC | 191 |
2 |
| GE Infrastructure Technology, LLC | 5873 |
2 |
| Roof Goose Vent LLC | 15 |
2 |
| Caterpillar Inc. | 8877 |
1 |
| Whirlpool Corporation | 4238 |
1 |
| Aztec Manufacturing, Inc. | 16 |
1 |
| Blue Water Innovations, LLC | 6 |
1 |
| Central Boiler, Inc. | 42 |
1 |
| European Copper, LLC | 1 |
1 |
| Global Finishing Solutions, LLC | 26 |
1 |
| Green Sentry Solutions Inc. | 3 |
1 |
| John G. ARNOLD, Jr. | 2 |
1 |
| Johnson, Christine Marie | 1 |
1 |
| Kevin Chwala | 2 |
1 |
| Other owners | 13 |