- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-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
|
1
|
1
|
7
|
1
|
0
|
1
|
0
|
1
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Garland Industries, Inc. | 103 |
1 |
| Harold Simpson, Inc. | 4 |
1 |
| Sno-Gem, Inc. | 11 |
1 |
| SunPower Corporation | 362 |
1 |
| Swisspearl Group AG | 59 |
1 |
| ZinniaTek Limited | 51 |
1 |
| Leisure Time Products, LLC | 61 |
1 |
| Bryan John Kirkey | 1 |
1 |
| Other owners | 0 |