- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/68 - Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
Patent holdings for IPC class E01B 9/68
Total number of patents in this class: 138
10-year publication summary
11
|
14
|
12
|
9
|
8
|
9
|
7
|
10
|
7
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Pandrol Limited | 94 |
18 |
Vossloh-Werke GmbH | 96 |
17 |
Progress Rail Services Corp | 225 |
8 |
Schwihag AG | 34 |
6 |
Semperit AG Holding | 30 |
4 |
Zhejiang Tiantie Industry Co., Ltd. | 26 |
4 |
Mitsui Chemicals, Inc. | 3134 |
3 |
HF Holding SA | 28 |
3 |
Sika Technology AG | 2650 |
3 |
Specter Innovations Group Pty Ltd | 3 |
3 |
Delkor Rail Pty. Ltd. | 2 |
2 |
DT - Vyhybkárna a strojírna, a.s. | 12 |
2 |
Gantry Railing Limited | 13 |
2 |
Getzner Werkstoffe Holding GmbH | 83 |
2 |
Intercast & Forge Pty Limited | 3 |
2 |
L.B. Foster Company | 53 |
2 |
Plastex SA | 28 |
2 |
Politechnika Krakowska Im. Tadeusza Kosciuszki | 15 |
2 |
Qingdao Create Environment Control Technology Co., Ltd. | 14 |
2 |
RAIL.ONE GmbH | 25 |
2 |
Other owners | 49 |