- All sections
- E - Fixed constructions
- E04C - Structural elements; building materials
- E04C 3/00 - Structural elongated elements designed for load-supporting
Patent holdings for IPC class E04C 3/00
Total number of patents in this class: 392
10-year publication summary
|
42
|
44
|
35
|
25
|
38
|
34
|
30
|
13
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Opterus Research and Development, Inc. | 29 |
11 |
| The Boeing Company | 19843 |
7 |
| RTL Materials Ltd | 29 |
7 |
| Pibridge Ltd | 7 |
7 |
| UNILIN, besloten vennootschap | 599 |
7 |
| Jack Walters & Sons, Corp. | 15 |
6 |
| Roccor, LLC | 32 |
6 |
| Simpson Strong-Tie Company, Inc. | 583 |
6 |
| Mitek Holdings, Inc. | 250 |
5 |
| Cemco, LLC | 123 |
5 |
| Crown Castle USA Inc. | 14 |
4 |
| Fortress Iron, LP | 100 |
4 |
| Valinge Innovation AB | 915 |
4 |
| Tower Engineering Solutions, LLC | 15 |
4 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Airbus Operations GmbH | 3188 |
3 |
| ConXtech, Inc. | 89 |
3 |
| Everlast Climbing Industries, Inc. | 148 |
3 |
| Paul Kristen, Inc. | 23 |
3 |
| Other owners | 290 |