- 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: 417
10-year publication summary
|
24
|
50
|
51
|
66
|
64
|
47
|
31
|
28
|
38
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cetres Holdings, LLC | 108 |
24 |
| Big Time Investment, LLC | 39 |
21 |
| Illinois Tool Works Inc. | 11494 |
8 |
| Icon Technology, Inc. | 95 |
7 |
| JK Worldwide Enterprises Inc. | 9 |
4 |
| The Mattamy Corporation | 8 |
4 |
| National Oilwell Varco, L.P. | 1686 |
4 |
| PERI GmbH | 168 |
4 |
| SkyRise Global, LLC | 19 |
4 |
| DuPont Safety & Construction, Inc. | 704 |
4 |
| DDP Specialty Electronic Materials US, LLC | 839 |
4 |
| Bahler IP LLC | 31 |
4 |
| BAM Nuttall Limited | 5 |
4 |
| Massachusetts Institute of Technology | 10102 |
3 |
| Gregory P. Luth & Associates, Inc. | 12 |
3 |
| Liebherr-Werk Biberach GmbH | 204 |
3 |
| Monarch Materials Group, Inc. | 18 |
3 |
| Nabors Drilling Technologies USA, Inc. | 561 |
3 |
| Simpson Strong-Tie Company, Inc. | 733 |
3 |
| Sunbelt Rentals, Inc. | 88 |
3 |
| Other owners | 300 |