- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 7/02 - Roof ventilation
Patent holdings for IPC class F24F 7/02
Total number of patents in this class: 437
10-year publication summary
|
51
|
40
|
37
|
38
|
42
|
34
|
38
|
37
|
38
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| O'daniels, LLC. | 62 |
20 |
| Canplas Industries Ltd. | 90 |
17 |
| QC Manufacturing, Inc. | 24 |
17 |
| Marco Industries, Inc. | 31 |
14 |
| Air Vent, Inc. | 48 |
12 |
| Snowventco Ltd. | 17 |
11 |
| Building Materials Investment Corporation | 135 |
9 |
| VKR Holding A/S | 580 |
8 |
| Brentwood Industries, Inc. | 111 |
7 |
| CSR Building Products Limited | 42 |
7 |
| Owens Corning Intellectual Capital, LLC | 1734 |
7 |
| Bmic LLC | 810 |
7 |
| Benjamin Obdyke Incorporated | 47 |
6 |
| Roof Goose Vent LLC | 25 |
6 |
| Amazon Technologies, Inc. | 28373 |
5 |
| Broan-NuTone LLC | 465 |
5 |
| Cor-A-Vent, Inc. | 13 |
5 |
| Framery Oy | 96 |
5 |
| Greenheck Fan Corporation | 98 |
5 |
| Lomanco, Inc. | 42 |
5 |
| Other owners | 259 |