- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 25/22 - Tracks for railways with the vehicle suspended from rigid supporting rails
Patent holdings for IPC class E01B 25/22
Total number of patents in this class: 46
10-year publication summary
|
9
|
0
|
5
|
5
|
3
|
7
|
5
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rail-veyor Technologies Global Inc. | 27 |
5 |
| PPG Industries Ohio, Inc. | 3388 |
2 |
| Daifuku Co., Ltd. | 969 |
2 |
| Konecranes Global Corporation | 479 |
2 |
| Konkan Railway Corporation Ltd. | 4 |
2 |
| Murata Machinery, Ltd. | 1481 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 1924 |
2 |
| CRRC Yangtze Co., Ltd. | 84 |
2 |
| Nomadd Desert Solar Solutions Pte. Ltd. | 14 |
2 |
| Beamways AB | 1 |
1 |
| Beijing Jiaotong University | 149 |
1 |
| Brunkeberg Systems AB | 23 |
1 |
| Conductix-Wampfler GmbH | 82 |
1 |
| Daifuki Co., Ltd. | 1 |
1 |
| Eisenmann AG | 99 |
1 |
| Handicare Stairlifts B.V. | 19 |
1 |
| Inotera Memories, Inc. | 2 |
1 |
| Joerns Healthcare, LLC | 87 |
1 |
| Leitner S.p.A. | 83 |
1 |
| Mobilités Mondiales Inc. | 8 |
1 |
| Other owners | 14 |