- All sections
- E - Fixed constructions
- E06C - Ladders
- E06C 1/383 - Foldable ladders in which the longitudinal members are brought together on folding
Patent holdings for IPC class E06C 1/383
Total number of patents in this class: 88
10-year publication summary
|
9
|
14
|
12
|
14
|
9
|
17
|
7
|
12
|
6
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Werner Co. | 410 |
20 |
| Little Giant Ladder Systems, LLC | 224 |
15 |
| Murphy Ladder, LLC | 9 |
5 |
| Suzhou Pica Aluminum Industry, Ltd | 17 |
3 |
| Jiangsu Zhou Jijie Intelligent Technology Co.,Ltd | 12 |
3 |
| Core Distribution, Inc. | 44 |
2 |
| Dorel Home Furnishings, Inc. | 126 |
2 |
| Federal Express Corporation | 684 |
2 |
| Justoy Pty Ltd. | 38 |
2 |
| Tnico Technology Division Ltd. | 6 |
2 |
| Wing Enterprises, Inc. | 54 |
2 |
| Wittur Holding GmbH | 136 |
2 |
| Tomato Fudosan Co., Ltd. | 11 |
2 |
| The Boeing Company | 20160 |
1 |
| Atlas Devices, LLC | 26 |
1 |
| Formosa Saint Jose Corp. | 63 |
1 |
| Government of the United States, as represented by the Secretary of the Air Force | 315 |
1 |
| Lampe Holding B.V. | 20 |
1 |
| Lock N Climb, LLC | 40 |
1 |
| Max Bogl Wind AG | 21 |
1 |
| Other owners | 19 |