- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 13/143 - Junctions of roof sheathings to chimneys or other parts extending above the roof with ventilating means
Patent holdings for IPC class E04D 13/143
Total number of patents in this class: 30
10-year publication summary
|
1
|
3
|
2
|
3
|
2
|
3
|
4
|
2
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UniRac, Inc. | 174 |
10 |
| Lifetime Tool & Building Products, LLC | 11 |
3 |
| T&M Inventions, LLC | 29 |
2 |
| Alabama Metal Industries Corporation | 95 |
1 |
| Building Materials Investment Corporation | 158 |
1 |
| Canplas Industries Ltd. | 95 |
1 |
| Hohmann & Barnard, Incorporated | 158 |
1 |
| Marco Industries, Inc. | 23 |
1 |
| Noritz Corporation | 255 |
1 |
| Paul Stuart & Associates, LLC. | 3 |
1 |
| Sekisui House, Ltd. | 143 |
1 |
| SK Tuote Oy | 13 |
1 |
| Snowventco Ltd. | 17 |
1 |
| SolarCity Corporation | 82 |
1 |
| SunPower Corporation | 612 |
1 |
| Tesla, Inc. | 1519 |
1 |
| TECSI Solar, Inc. | 10 |
1 |
| Koester, John H. | 5 |
1 |
| Other owners | 0 |