- 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: 627
10-year publication summary
|
58
|
65
|
87
|
78
|
73
|
69
|
74
|
74
|
61
|
35
|
| 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. | 723 |
75 |
| Cetres Holdings, LLC | 106 |
46 |
| Illinois Tool Works Inc. | 11461 |
17 |
| Sekisui House, Ltd. | 190 |
17 |
| Columbia Insurance Company | 1522 |
15 |
| Shelter Co., Ltd. | 15 |
12 |
| OMG Building Products LLC | 117 |
12 |
| Mitek Holdings, Inc. | 251 |
10 |
| Rotho Blaas Gmbh/srl | 14 |
10 |
| Knapp GmbH | 33 |
9 |
| Qingdao University of Technology | 612 |
8 |
| Iida Sangyo Co., Ltd. | 14 |
6 |
| Jack Walters & Sons, Corp. | 15 |
5 |
| Rotho-Blaas S.r.l. | 8 |
5 |
| Sr Systems, LLC | 32 |
5 |
| Universita degli Studi di Padova | 266 |
5 |
| Simpson Strong-Tie A/S | 19 |
5 |
| Phylem Structures, S.L. | 10 |
5 |
| Fox Hardwood Lumber Company, L.L.C. | 41 |
4 |
| The Hillman Group, Inc. | 396 |
4 |
| Other owners | 352 |