- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 3/02 - Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
Patent holdings for IPC class E04D 3/02
Total number of patents in this class: 8
10-year publication summary
|
0
|
4
|
1
|
1
|
7
|
1
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Garland Industries, Inc. | 84 |
1 |
| Harold Simpson, Inc. | 4 |
1 |
| Sno-Gem, Inc. | 11 |
1 |
| SunPower Corporation | 612 |
1 |
| ZinniaTek Limited | 57 |
1 |
| Leisure Time Products, LLC | 38 |
1 |
| Trade Fabrication Systems Ltd. | 11 |
1 |
| Funform, LLC | 4 |
1 |
| Other owners | 0 |