- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 17/00 - Vertical ductsChannels, e.g. for drainage
Patent holdings for IPC class E04F 17/00
Total number of patents in this class: 149
10-year publication summary
|
8
|
14
|
12
|
14
|
10
|
15
|
9
|
7
|
5
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 8975 |
15 |
| Inventio AG | 2419 |
9 |
| Norwood Architecture, Inc. | 27 |
8 |
| Quality Edge, Inc. | 97 |
6 |
| Thoma Aufzuge GmbH | 11 |
5 |
| Kone Oyj | 2159 |
4 |
| Arkkitehtitoimisto Karin Krokfors Oy | 4 |
3 |
| Keene Building Products Co., Inc. | 31 |
3 |
| Ely Holdings Limited | 4 |
2 |
| Garland Industries, Inc. | 107 |
2 |
| Innovative Building Technologies, LLC | 66 |
2 |
| James Hardie Technology Limited | 457 |
2 |
| Storage Systems Northwest, Inc. | 3 |
2 |
| United States Gypsum Company | 944 |
2 |
| Weyerhaeuser NR Company | 318 |
2 |
| Wickright, Inc. | 9 |
2 |
| Independence Materials Group, LLC | 89 |
2 |
| Gebhardt Foerdertechnik GmbH | 17 |
2 |
| Rbcd Holdings Ltd. | 3 |
2 |
| Shanxi Xiaoxi Mechanical & Electrical Technology Co., Ltd. | 4 |
2 |
| Other owners | 72 |