- All sections
- E - Fixed constructions
- E01D - Bridges
- E01D 19/08 - Damp-proof or other insulating layersDrainage arrangements or devices
Patent holdings for IPC class E01D 19/08
Total number of patents in this class: 61
10-year publication summary
|
7
|
7
|
8
|
6
|
6
|
4
|
4
|
4
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3388 |
9 |
| Sika Technology AG | 2829 |
4 |
| W.R. Grace & Co.-conn. | 369 |
4 |
| ABT, Inc. | 97 |
3 |
| GCP Applied Technologies Inc. | 458 |
3 |
| Daebong B.m.technology Co.,Ltd | 3 |
3 |
| Teracells Inc. | 4 |
3 |
| Korea Airports Corporation | 57 |
2 |
| Nikon Corporation | 7150 |
1 |
| Kao Corporation | 4926 |
1 |
| ACO Severin Ahlmann GmbH & Co. KG | 106 |
1 |
| DIC Corporation | 3729 |
1 |
| Dyflex Corporation | 12 |
1 |
| Eurovia | 84 |
1 |
| Fortress Stabilization Systems | 9 |
1 |
| The Foundation for the Promotion of Industrial Science | 40 |
1 |
| Keiwa Inc. | 181 |
1 |
| National University Corporation Yokohama National University | 334 |
1 |
| Permatrak North America LLC | 2 |
1 |
| Precision Cams, Inc. | 2 |
1 |
| Other owners | 18 |