- All sections
- B - Performing operations; transporting
- B61H - Brakes or other retarding devices specially adapted for rail vehicles; arrangement or disposition thereof in rail vehicles
- B61H 7/12 - Grippers co-operating frictionally with tracks
Patent holdings for IPC class B61H 7/12
Total number of patents in this class: 33
10-year publication summary
0
|
5
|
4
|
4
|
0
|
4
|
2
|
1
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hillmar Industries Ltd. | 15 |
5 |
Portal Crane Parts Ltd. | 8 |
5 |
Inventio AG | 2314 |
3 |
Harsco Technologies LLC | 162 |
2 |
Mitsubishi Electric Corporation | 43934 |
1 |
Raytheon Company | 8535 |
1 |
ABB Schweiz AG | 6321 |
1 |
China University of Mining and Technology | 1189 |
1 |
Dynamic Attractions Ltd. | 9 |
1 |
Fritel & Associates, LLC | 13 |
1 |
Hyperloop Technologies, Inc. | 207 |
1 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
1 |
Lewis Australia Pty Ltd | 11 |
1 |
MACK Rides GmbH & Co. KG | 93 |
1 |
Sandpit Innovation Pty Ltd | 4 |
1 |
Taiyuan University of Technology | 212 |
1 |
Kone Oyj | 2000 |
1 |
Wuhan K-crane Ocean Lifting Technology Co., Ltd. | 3 |
1 |
RÖMER Fördertechnik GmbH | 5 |
1 |
Mitsui E&S Machinery Co., Ltd. | 44 |
1 |
Other owners | 2 |