- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 3/40 - Slabs or sheets locally modified for auxiliary purposes, e.g. for resting on walls, for serving as gutteringElements for particular purposes, e.g. ridge elements, specially designed for use in conjunction with slabs or sheets
Patent holdings for IPC class E04D 3/40
Total number of patents in this class: 84
10-year publication summary
|
10
|
5
|
6
|
8
|
8
|
4
|
9
|
6
|
11
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 805 |
10 |
| GAF Energy LLC | 214 |
6 |
| Kbfx LLC | 7 |
3 |
| Carlisle Construction Materials, LLC | 175 |
3 |
| LG Electronics Inc. | 75694 |
2 |
| Kaneka Corporation | 4703 |
2 |
| Canplas Industries Ltd. | 90 |
2 |
| Garland Industries, Inc. | 103 |
2 |
| Nippon Steel Corporation | 6871 |
2 |
| Owens Corning Intellectual Capital, LLC | 1725 |
2 |
| Sekisui House, Ltd. | 268 |
2 |
| Siplast, Inc. | 17 |
2 |
| SolarCity Corporation | 82 |
2 |
| Takashima Co., Ltd. | 14 |
2 |
| Scepaniak IP Holdings, LLC | 6 |
2 |
| RTS R&D, Inc. | 2 |
2 |
| a & a Material Corporation | 4 |
1 |
| Air Vent, Inc. | 48 |
1 |
| BlueScope Steel Limited | 211 |
1 |
| Freudenberg Performance Materials LP | 21 |
1 |
| Other owners | 34 |