- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation 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: 727
10-year publication summary
|
75
|
78
|
83
|
87
|
66
|
44
|
54
|
73
|
37
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3540 |
69 |
| Schul International Co., LLC | 82 |
56 |
| Sika Technology AG | 2911 |
43 |
| DuPont Safety & Construction, Inc. | 711 |
37 |
| DDP Specialty Electronic Materials US, LLC | 843 |
34 |
| Illinois Tool Works Inc. | 11580 |
20 |
| ISO-Chemie GmbH | 49 |
15 |
| InPro Corporation | 123 |
13 |
| Rillito River Solar, LLC | 31 |
12 |
| UniRac, Inc. | 410 |
12 |
| Emseal Joint Systems Ltd. | 13 |
8 |
| Georgia-Pacific Gypsum LLC | 219 |
7 |
| J.D. Russell Company, The | 16 |
7 |
| Louisiana-Pacific Corporation | 284 |
7 |
| CFS Concrete Forming Systems Inc. | 91 |
6 |
| Chatsworth Products, Inc. | 224 |
6 |
| Owens Corning Intellectual Capital, LLC | 1626 |
6 |
| Invent to Build Inc. | 17 |
6 |
| CertainTeed Gypsum, Inc. | 213 |
5 |
| Henry Company, LLC | 232 |
5 |
| Other owners | 353 |