- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 31/00 - Working rails, sleepers, baseplates, or the like, in or on the lineMachines, tools, or auxiliary devices specially designed therefor
Patent holdings for IPC class E01B 31/00
Total number of patents in this class: 32
10-year publication summary
|
5
|
3
|
2
|
3
|
2
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0
|
0
|
1
|
3
|
2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robel Bahnbaumaschinen GmbH | 111 |
5 |
| Good Earth Tools, Inc. | 10 |
3 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 437 |
2 |
| Alstom Holdings | 630 |
1 |
| Bombardier Transportation GmbH | 571 |
1 |
| ERICO International Corporation | 266 |
1 |
| Harsco Corporation | 49 |
1 |
| Harsco Technologies LLC | 139 |
1 |
| Hypertherm, Inc. | 680 |
1 |
| Korea Railroad Research Institute | 185 |
1 |
| Matisa Materiel Industriel SA | 74 |
1 |
| Melvelle Equipment Corp. Pty Ltd | 17 |
1 |
| MOW Equipment Solutions, Inc. | 20 |
1 |
| Murata Machinery, Ltd. | 1595 |
1 |
| Societe Turripinoise de Mecanique SA | 3 |
1 |
| S.p.d. S.p.A. | 9 |
1 |
| China Railway Siyuan Survey and Design Group Co., Ltd. | 69 |
1 |
| Guokai Technology(wuhan)co.ltd. | 1 |
1 |
| Huahai Engineering Co., Ltd of CREC Shanghai | 31 |
1 |
| Shanghai Civil Engineering Co., Ltd of CREC | 63 |
1 |
| Other owners | 5 |