- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 35/00 - Applications of measuring apparatus or devices for track-building purposes
Patent holdings for IPC class E01B 35/00
Total number of patents in this class: 171
10-year publication summary
11
|
9
|
18
|
17
|
18
|
15
|
12
|
12
|
14
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 385 |
40 |
HP3 Real GmbH | 41 |
12 |
Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 87 |
5 |
Harsco Technologies LLC | 162 |
5 |
Alstom Transport Technologies | 566 |
4 |
BNSF Railway Company | 328 |
4 |
Loram Technologies, Inc. | 60 |
4 |
Mitsubishi Electric Corporation | 43934 |
3 |
Herzog Services, Inc. | 15 |
3 |
Matisa Materiel Industriel SA | 66 |
3 |
China Railway Siyuan Survey and Design Group Co., Ltd. | 66 |
3 |
Hitachi, Ltd. | 16452 |
2 |
Beijing Jiaotong University | 128 |
2 |
DeltaRail Group Limited | 6 |
2 |
ENSCO, Inc. | 59 |
2 |
Herzog Railroad Services, Inc. | 48 |
2 |
Institut National D'optique | 309 |
2 |
L.B. Foster Rail Technologies, Inc. | 6 |
2 |
le Centre National de La Recherche Scientifique (cnrs) | 16 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Other owners | 67 |