- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 3/36 - ColumnsPillarsStruts of materials not covered by groups or ColumnsPillarsStruts of a combination of two or more materials
Patent holdings for IPC class E04C 3/36
Total number of patents in this class: 200
10-year publication summary
|
22
|
21
|
23
|
18
|
20
|
18
|
19
|
14
|
13
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jack Walters & Sons, Corp. | 15 |
11 |
| Senvex Co., Ltd. | 24 |
7 |
| Phylem Structures, S.L. | 10 |
7 |
| Qingdao University of Technology | 626 |
5 |
| Loggo IP Pty Ltd in its Capacity AS Trustee for Thornton IP Trust | 16 |
5 |
| Miller Dowel Company | 25 |
4 |
| Hilti Aktiengesellschaft | 3565 |
3 |
| Herron Intellectual Property Holdings, LLC | 4 |
3 |
| Sunbelt Rentals, Inc. | 89 |
3 |
| Ecopole AS | 3 |
3 |
| Carboshield, Inc. | 11 |
3 |
| Uhcs Property SA | 12 |
3 |
| University of South Florida | 1865 |
2 |
| Barrette Outdoor Living, Inc. | 250 |
2 |
| Board of Regents of The Nevada System of Higher Education, on Behalf of The University of Nevada, Reno | 132 |
2 |
| Fortress Iron, LP | 43 |
2 |
| Goodrich Corporation | 2184 |
2 |
| Hexion Inc. | 230 |
2 |
| molo design, ltd. | 41 |
2 |
| Nama Development LLC | 4 |
2 |
| Other owners | 127 |