- All sections
- E - Fixed constructions
- E06C - Ladders
- E06C 1/04 - Ladders for resting against objects, e.g. walls, poles, trees
Patent holdings for IPC class E06C 1/04
Total number of patents in this class: 29
10-year publication summary
|
3
|
12
|
5
|
7
|
5
|
3
|
2
|
2
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Werner Co. | 411 |
11 |
| Red Dirt Innovations, LLC | 4 |
2 |
| Ståsäker AB | 6 |
2 |
| The Boeing Company | 20153 |
1 |
| Branach Technology Pty Ltd | 8 |
1 |
| DDI, Inc. | 10 |
1 |
| Dorel Home Furnishings, Inc. | 126 |
1 |
| Formosa Saint Jose Corp. | 61 |
1 |
| I & S Larard Pty Ltd | 4 |
1 |
| Wing Enterprises, Inc. | 54 |
1 |
| Keppel Offshore & Marine Technology Centre Pte Ltd | 59 |
1 |
| Bright Structures Ltd | 5 |
1 |
| Ladder MFS LLC | 1 |
1 |
| Dr Innovations, LLC | 3 |
1 |
| LIN, Chih-Hsueh | 5 |
1 |
| Doug St. Godard | 1 |
1 |
| Pyp Holdings LLC | 9 |
1 |
| Other owners | 0 |