- 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: 717
10-year publication summary
|
85
|
86
|
87
|
94
|
72
|
50
|
67
|
85
|
38
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3483 |
69 |
| Schul International Co., LLC | 81 |
56 |
| Sika Technology AG | 2855 |
44 |
| DuPont Safety & Construction, Inc. | 674 |
36 |
| DDP Specialty Electronic Materials US, LLC | 801 |
33 |
| Illinois Tool Works Inc. | 11437 |
19 |
| ISO-Chemie GmbH | 48 |
15 |
| InPro Corporation | 125 |
13 |
| Rillito River Solar, LLC | 31 |
12 |
| UniRac, Inc. | 358 |
12 |
| Emseal Joint Systems Ltd. | 13 |
8 |
| Georgia-Pacific Gypsum LLC | 219 |
7 |
| CFS Concrete Forming Systems Inc. | 98 |
6 |
| Chatsworth Products, Inc. | 222 |
6 |
| J.D. Russell Company, The | 14 |
6 |
| Owens Corning Intellectual Capital, LLC | 1629 |
6 |
| Invent to Build Inc. | 17 |
6 |
| CertainTeed Gypsum, Inc. | 206 |
5 |
| Henry Company, LLC | 233 |
5 |
| Tremco illbruck Produktion GmbH | 16 |
5 |
| Other owners | 348 |