- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 9/00 - Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
Patent holdings for IPC class E04H 9/00
Total number of patents in this class: 140
10-year publication summary
|
10
|
17
|
13
|
15
|
7
|
4
|
14
|
8
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4006 |
9 |
| Forma Technologies Inc. | 6 |
5 |
| Specified Technologies Inc. | 82 |
4 |
| Massachusetts Institute of Technology | 10117 |
3 |
| Dynamic Shelters Inc. | 14 |
3 |
| Fike Corporation | 140 |
3 |
| Pontificia Universidad Catolica de Chile | 295 |
3 |
| Strata Products Worldwide, LLC | 71 |
3 |
| DEKA Products Limited Partnership | 1788 |
2 |
| The Governing Council of The University of Toronto, | 1488 |
2 |
| Hardwire, LLC | 49 |
2 |
| Shieldpro, LLC | 15 |
2 |
| The UAB Research Foundation | 646 |
2 |
| Universite Laval | 717 |
2 |
| Worksafe Technologies | 17 |
2 |
| Go Team CCR LLC | 15 |
2 |
| Shanghai Nuclear Engineering Research & Design Institute Co.Ltd | 2 |
2 |
| Mu Concept | 3 |
2 |
| 3m Innovative Properties Company | 17770 |
1 |
| Raytheon Company | 8400 |
1 |
| Other owners | 85 |