- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/346 - Rotary buildingsBuildings with rotary units, e.g. rooms
Patent holdings for IPC class E04B 1/346
Total number of patents in this class: 85
10-year publication summary
|
9
|
9
|
3
|
9
|
8
|
5
|
11
|
1
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LM Tech S.r.l. | 5 |
5 |
| Qatar Football Association | 9 |
4 |
| TechnoGuard Inc. | 13 |
4 |
| Eco-Built Homes, LLC | 7 |
3 |
| Modernfold, Inc. | 49 |
3 |
| Won-Door Corporation | 101 |
3 |
| HDT Expeditionary Systems, Inc. | 53 |
2 |
| Wynn Resorts Holdings, LLC | 259 |
2 |
| VKR Holding A/S | 583 |
2 |
| Istituto Nazionale di Astrofisica | 32 |
2 |
| Nazran, Tervinder Singh | 2 |
2 |
| Cabrio Structures, LLC | 8 |
2 |
| Broad Holon Co., Ltd. | 5 |
2 |
| Ratlr, LLC | 7 |
2 |
| International Business Machines Corporation | 62621 |
1 |
| The Boeing Company | 20160 |
1 |
| 564581 Alberta Ltd. | 2 |
1 |
| Armorworks Enterprises LLC | 37 |
1 |
| Automation Anywhere, Inc. | 169 |
1 |
| Benth & Mirja Lonnberg AB | 1 |
1 |
| Other owners | 41 |