- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 1/41 - Connecting devices specially adapted for embedding in concrete or masonry
Patent holdings for IPC class E04B 1/41
Total number of patents in this class: 1237
10-year publication summary
|
181
|
165
|
183
|
201
|
184
|
169
|
164
|
135
|
110
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hohmann & Barnard, Incorporated | 158 |
65 |
| Cetres Holdings, LLC | 98 |
60 |
| Hilti Aktiengesellschaft | 3227 |
50 |
| Simpson Strong-Tie Company, Inc. | 583 |
27 |
| Illinois Tool Works Inc. | 11152 |
24 |
| Advanced Architectural Products, LLC | 72 |
17 |
| Peikko Group Oy | 157 |
14 |
| fischerwerke GmbH & Co. KG | 373 |
13 |
| Columbia Insurance Company | 1569 |
12 |
| Gripple Limited | 219 |
12 |
| Black & Decker, Inc. | 2402 |
11 |
| FERO Corporation | 44 |
10 |
| Meadow Burke, LLC | 38 |
10 |
| Mitek Holdings, Inc. | 250 |
10 |
| Wilhelm Modersohn GmbH & Co. KG | 17 |
10 |
| Espinosa, Thomas M. | 14 |
9 |
| Nucor Corporation | 425 |
9 |
| Acculign Holdings, Inc. | 12 |
8 |
| FS Technical Corporation | 14 |
8 |
| Sr Systems, LLC | 37 |
8 |
| Other owners | 850 |