- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/26 - Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
Patent holdings for IPC class E04B 1/26
Total number of patents in this class: 641
10-year publication summary
|
52
|
54
|
73
|
70
|
68
|
62
|
59
|
63
|
58
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Simpson Strong-Tie Company, Inc. | 741 |
77 |
| Cetres Holdings, LLC | 112 |
47 |
| Sekisui House, Ltd. | 204 |
18 |
| Illinois Tool Works Inc. | 11554 |
17 |
| Columbia Insurance Company | 1525 |
15 |
| Shelter Co., Ltd. | 15 |
13 |
| OMG Building Products LLC | 123 |
13 |
| Mitek Holdings, Inc. | 259 |
10 |
| Rotho Blaas Gmbh/srl | 14 |
10 |
| Knapp GmbH | 33 |
9 |
| Qingdao University of Technology | 624 |
8 |
| Iida Sangyo Co., Ltd. | 15 |
6 |
| Simpson Strong-Tie A/S | 20 |
6 |
| Jack Walters & Sons, Corp. | 15 |
5 |
| Rotho-Blaas S.r.l. | 8 |
5 |
| Sr Systems, LLC | 32 |
5 |
| Universita degli Studi di Padova | 268 |
5 |
| Phylem Structures, S.L. | 10 |
5 |
| Hilti Aktiengesellschaft | 3535 |
4 |
| Fox Hardwood Lumber Company, L.L.C. | 38 |
4 |
| Other owners | 359 |