- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 3/46 - Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from different materials
Patent holdings for IPC class E01B 3/46
Total number of patents in this class: 78
10-year publication summary
|
6
|
13
|
2
|
2
|
6
|
3
|
9
|
7
|
11
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Getzner Werkstoffe Holding GmbH | 83 |
10 |
| Braskem S.A. | 441 |
8 |
| Dow Global Technologies LLC | 10147 |
4 |
| Encell Composites, LLC | 7 |
3 |
| Rutgers, The State University of New Jersey | 1776 |
3 |
| Solidia Technologies, Inc. | 113 |
3 |
| CDM NV | 21 |
3 |
| Baret | 4 |
3 |
| Fimor | 4 |
2 |
| Geotek, LLC | 9 |
2 |
| Politechnika Krakowska Im. Tadeusza Kosciuszki | 15 |
2 |
| Rst-rail Systems and Technologies GmbH | 2 |
2 |
| Sekisui Chemical Co., Ltd. | 3159 |
2 |
| Rubbergreen Industrie | 9 |
2 |
| INNOECO POLSKA Spółka z ograniczoną odpowiedzialnością | 2 |
2 |
| Carbonloc Pty Ltd | 1 |
1 |
| Duropar Technologies Inc. | 1 |
1 |
| Kirchdorfer Fertigteilholding GmbH | 36 |
1 |
| Kuse, Kolja | 10 |
1 |
| L. B. Foster Company | 13 |
1 |
| Other owners | 22 |