- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/35 - Extraordinary methods of construction, e.g. lift-slab, jack-block
Patent holdings for IPC class E04B 1/35
Total number of patents in this class: 426
10-year publication summary
|
50
|
51
|
66
|
64
|
47
|
31
|
28
|
39
|
31
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cetres Holdings, LLC | 113 |
25 |
| Big Time Investment, LLC | 38 |
21 |
| Illinois Tool Works Inc. | 11660 |
8 |
| Icon Technology, Inc. | 94 |
8 |
| JK Worldwide Enterprises Inc. | 9 |
4 |
| National Oilwell Varco, L.P. | 1702 |
4 |
| PERI GmbH | 166 |
4 |
| SkyRise Global, LLC | 17 |
4 |
| DuPont Safety & Construction, Inc. | 685 |
4 |
| DDP Specialty Electronic Materials US, LLC | 843 |
4 |
| Bahler IP LLC | 31 |
4 |
| BAM Nuttall Limited | 5 |
4 |
| Massachusetts Institute of Technology | 10172 |
3 |
| Gregory P. Luth & Associates, Inc. | 12 |
3 |
| Liebherr-Werk Biberach GmbH | 206 |
3 |
| The Mattamy Corporation | 5 |
3 |
| Monarch Materials Group, Inc. | 18 |
3 |
| Nabors Drilling Technologies USA, Inc. | 565 |
3 |
| Sunbelt Rentals, Inc. | 89 |
3 |
| Vastint Hospitality B.V. | 6 |
3 |
| Other owners | 308 |