- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/98 - Protection against other undesired influences or dangers against vibrations or shocksProtection against other undesired influences or dangers against mechanical destruction, e.g. by air-raids
Patent holdings for IPC class E04B 1/98
Total number of patents in this class: 814
10-year publication summary
|
121
|
103
|
82
|
117
|
85
|
44
|
44
|
52
|
62
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao University of Technology | 642 |
25 |
| Dalian University of Technology | 1594 |
15 |
| South China University of Technology | 1904 |
15 |
| Tongji University | 613 |
13 |
| Southeast University | 1546 |
12 |
| Simpson Strong-Tie Company, Inc. | 743 |
11 |
| Industry-Academic Cooperation Foundation, Chosun University | 317 |
10 |
| State Farm Mutual Automobile Insurance Company | 3421 |
9 |
| Worksafe Technologies | 16 |
8 |
| Cetres Holdings, LLC | 119 |
6 |
| Emeh, Inc. | 87 |
6 |
| Nippon Steel Corporation | 6871 |
6 |
| Sika Technology AG | 3004 |
6 |
| Skidmore, Owings & Merrill LLP | 36 |
6 |
| Beijing Brace Damping Engineering Technology Co., Ltd | 12 |
6 |
| ARX PAX Labs, Inc. | 17 |
5 |
| Auckland UniServices Limited | 500 |
5 |
| The Governing Council of The University of Toronto, | 1554 |
5 |
| National Applied Research Laboratories | 156 |
5 |
| Ohio University | 359 |
5 |
| Other owners | 635 |