- All sections
- E - Fixed constructions
- E06C - Ladders
- E06C 1/387 - Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
Patent holdings for IPC class E06C 1/387
Total number of patents in this class: 60
10-year publication summary
|
7
|
7
|
5
|
8
|
4
|
5
|
8
|
4
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Werner Co. | 407 |
8 |
| Little Giant Ladder Systems, LLC | 224 |
8 |
| Dorel Home Furnishings, Inc. | 129 |
4 |
| New-Tec Integration (Xiamen) Co., Ltd. | 426 |
4 |
| Murphy Ladder, LLC | 9 |
3 |
| Tricam Industries, LLC | 144 |
3 |
| B/E Aerospace, Inc. | 1687 |
2 |
| GSE Technologies, LLC | 19 |
2 |
| Takler S.r.l. | 13 |
2 |
| Lam Research Corporation | 5655 |
1 |
| ARB Corporation Limited | 91 |
1 |
| Cannon Equipment LLC | 28 |
1 |
| DDI, Inc. | 10 |
1 |
| Intex Marketing Ltd. | 260 |
1 |
| Louisville Ladder Inc. | 67 |
1 |
| Ningbo Xingfu Tools Co., Ltd. | 11 |
1 |
| Opacmare S.p.A. | 18 |
1 |
| Suzhou Pica Aluminum Industry, Ltd | 17 |
1 |
| Thomas Yoo | 3 |
1 |
| Universal Ladder, LLC | 1 |
1 |
| Other owners | 13 |