- All sections
- E - Fixed constructions
- E04F - Finishing work on buildings, e.g. stairs, floors
- E04F 11/06 - Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
Patent holdings for IPC class E04F 11/06
Total number of patents in this class: 98
10-year publication summary
|
10
|
15
|
11
|
15
|
14
|
9
|
5
|
15
|
12
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fakro PP Sp. z o. o. | 11 |
7 |
| MOR/ryde International, Inc. | 33 |
6 |
| Morryde International, Inc. | 44 |
5 |
| Werner Co. | 409 |
5 |
| Barjoh Pty Ltd | 18 |
4 |
| Big Time Investment, LLC | 37 |
3 |
| United Kingdom Atomic Energy Authority | 48 |
3 |
| Calibre Enterprises Limited | 4 |
3 |
| Berg Companies, Inc. | 20 |
2 |
| Emeh, Inc. | 87 |
2 |
| FAKRO PP Sp. z o.o. | 4 |
2 |
| Kee Safety Limited | 89 |
2 |
| Lift-U, Division of Hogan Mfg., Inc. | 64 |
2 |
| Metaltech-Omega Inc. | 29 |
2 |
| Myd"l" | 9 |
2 |
| Fine DNC Co., Ltd. | 10 |
2 |
| Aiber Exploitatie Management B.V. | 2 |
2 |
| Werner UK Sales & Distribution LTD. | 26 |
2 |
| Safesmart LLC | 17 |
2 |
| Calbah Industries Pty Ltd | 5 |
2 |
| Other owners | 38 |