- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/30 - ColumnsPillarsStruts
Patent holdings for IPC class E04C 3/30
Total number of patents in this class: 185
10-year publication summary
|
20
|
22
|
13
|
14
|
12
|
15
|
10
|
8
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jack Walters & Sons, Corp. | 13 |
4 |
| Simpson Strong-Tie Company, Inc. | 745 |
4 |
| Civiq Smartscapes, LLC | 8 |
3 |
| ConXtech, Inc. | 81 |
3 |
| Crown Castle USA Inc. | 14 |
3 |
| Holmes Solutions Limited Partnership | 27 |
3 |
| Marion Investments Ltd. | 3 |
3 |
| Osmose Utilities Services, Inc. | 144 |
3 |
| Sentry Protection LLC | 19 |
3 |
| Tindall Corporation | 52 |
3 |
| Toyota Motor Corporation | 35992 |
2 |
| Alstom Technology Ltd | 1035 |
2 |
| Alpa Lumber Inc. | 19 |
2 |
| Anchor Wall Systems, Inc. | 129 |
2 |
| AvtechTyee Inc. | 19 |
2 |
| Bull Moose Tube Company | 13 |
2 |
| CTB Midwest, Inc. | 17 |
2 |
| Digger Specialties, Inc. | 33 |
2 |
| Fry Reglet Corporation | 12 |
2 |
| Hexion Inc. | 238 |
2 |
| Other owners | 133 |