- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 13/17 - Ventilation of roof coverings not otherwise provided for
Patent holdings for IPC class E04D 13/17
Total number of patents in this class: 297
10-year publication summary
|
62
|
39
|
37
|
41
|
23
|
26
|
28
|
23
|
19
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| O'daniels, LLC. | 58 |
17 |
| Owens Corning Intellectual Capital, LLC | 1634 |
12 |
| Bmic LLC | 732 |
11 |
| Snowventco Ltd. | 17 |
10 |
| Canplas Industries Ltd. | 89 |
9 |
| American Flashings and Accessories, LLC | 17 |
8 |
| 3m Innovative Properties Company | 17852 |
6 |
| Air Vent, Inc. | 51 |
6 |
| Brentwood Industries, Inc. | 110 |
6 |
| Marco Industries, Inc. | 25 |
6 |
| ZinniaTek Limited | 57 |
6 |
| Van der Hoeven Horticultural Projects B.V. | 20 |
6 |
| E. I. du Pont de Nemours and Company | 4089 |
5 |
| Benjamin Obdyke Incorporated | 50 |
5 |
| Building Materials Investment Corporation | 139 |
4 |
| Keene Building Products Co., Inc. | 31 |
4 |
| Louisiana-Pacific Corporation | 256 |
4 |
| Carlisle Construction Materials, LLC | 139 |
4 |
| Lakeside Poly Manufacturing, LLC | 12 |
4 |
| Cor-A-Vent, Inc. | 15 |
3 |
| Other owners | 161 |