- All sections
- E - Fixed constructions
- E06C - Ladders
- E06C 9/02 - Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
Patent holdings for IPC class E06C 9/02
Total number of patents in this class: 55
10-year publication summary
|
13
|
13
|
11
|
4
|
6
|
3
|
3
|
3
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altec Industries, Inc. | 239 |
5 |
| Keystone Tower Systems, Inc. | 47 |
3 |
| Sayfa R & D Pty Ltd | 90 |
3 |
| GE Infrastructure Technology, LLC | 6159 |
3 |
| Formetco, LLC | 29 |
3 |
| Wobben Properties GmbH | 1220 |
2 |
| Bobo Ladders LLC | 6 |
2 |
| Nordex Energy Spain, S.A.U. | 172 |
2 |
| Bortana Pty Ltd | 2 |
1 |
| Daifuku Co., Ltd. | 1098 |
1 |
| Hiram (WA) Pty Ltd | 7 |
1 |
| Logaer Maschinenbau GmbH | 4 |
1 |
| Murray, June Mary | 1 |
1 |
| Preci-dip SA | 19 |
1 |
| SAM Carbis Asset Management, LLC | 44 |
1 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 41 |
1 |
| Tie Down, Inc. | 48 |
1 |
| Ultravision Technologies, LLC | 29 |
1 |
| United States of America AS represented by The Administrator of NASA | 477 |
1 |
| Wavin B.V. | 167 |
1 |
| Other owners | 20 |