- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 1/68 - Sealings of joints, e.g. expansion joints
Patent holdings for IPC class E04B 1/68
Total number of patents in this class: 667
10-year publication summary
|
56
|
85
|
86
|
87
|
94
|
72
|
50
|
67
|
68
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3227 |
63 |
| Schul International Co., LLC | 78 |
55 |
| Sika Technology AG | 2650 |
47 |
| DuPont Safety & Construction, Inc. | 676 |
21 |
| Illinois Tool Works Inc. | 11152 |
18 |
| ISO-Chemie GmbH | 50 |
17 |
| DDP Specialty Electronic Materials US, LLC | 442 |
17 |
| Rillito River Solar, LLC | 32 |
13 |
| InPro Corporation | 126 |
12 |
| Huber Engineered Woods LLC | 128 |
11 |
| UniRac, Inc. | 174 |
10 |
| Emseal Joint Systems Ltd. | 14 |
9 |
| Georgia-Pacific Gypsum LLC | 204 |
7 |
| Owens Corning Intellectual Capital, LLC | 1456 |
6 |
| Invent to Build Inc. | 19 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| CertainTeed Gypsum, Inc. | 180 |
5 |
| CFS Concrete Forming Systems Inc. | 98 |
5 |
| Chatsworth Products, Inc. | 225 |
5 |
| Henry Company, LLC | 206 |
5 |
| Other owners | 330 |