- All sections
- E - Fixed constructions
- E06C - Ladders
- E06C 1/397 - 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 characterised by having wheels, rollers, or runners
Patent holdings for IPC class E06C 1/397
Total number of patents in this class: 72
10-year publication summary
|
9
|
10
|
11
|
16
|
7
|
5
|
4
|
9
|
8
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Little Giant Ladder Systems, LLC | 210 |
15 |
| Ballymore Company, Inc. | 22 |
5 |
| Abatement Technologies, Inc. | 42 |
4 |
| Blue Moon Designs, LLC | 8 |
4 |
| Cruiser Products, LLC | 11 |
3 |
| Material Control, Inc. | 23 |
3 |
| Pipp Mobile Storage Systems, Inc. | 68 |
3 |
| Safe Rack LLC | 51 |
3 |
| Ståsäker AB | 6 |
3 |
| The Boeing Company | 20057 |
2 |
| Daifuku Co., Ltd. | 985 |
2 |
| Federal Express Corporation | 673 |
2 |
| Romp Enterprise Co., Ltd. | 2 |
2 |
| Wing Enterprises, Inc. | 55 |
2 |
| Tubesca-comabi | 34 |
2 |
| Duarib Group | 24 |
2 |
| Target Brands, Inc. | 4031 |
1 |
| Compagnie générale des établissements Michelin SCA | 2569 |
1 |
| Michelin Recherche et Technique S.A. | 2164 |
1 |
| Cannon Equipment LLC | 27 |
1 |
| Other owners | 11 |