- All sections
- B - Performing operations; transporting
- B61G - Couplings specially adapted for railway vehicles; draught or buffing appliances specially adapted for railway vehicles
- B61G 9/06 - Draw-gear combined with buffing appliances with rubber springs
Patent holdings for IPC class B61G 9/06
Total number of patents in this class: 69
10-year publication summary
7
|
8
|
3
|
2
|
11
|
4
|
5
|
4
|
1
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Miner Enterprises, Inc. | 107 |
14 |
Wabtec Holding Corp. | 386 |
14 |
Strato, Inc. | 60 |
10 |
Voith Patent GmbH | 2731 |
10 |
Amsted Rail Company, Inc. | 437 |
5 |
Dellner Couplers AB | 101 |
4 |
O-Ring Sales & Service, Inc. | 6 |
3 |
Siemens AG | 24572 |
1 |
CRRC Qiqihar Rolling Stock Co., Ltd. | 103 |
1 |
Qingdai SRI Technology Co., Ltd. | 1 |
1 |
Trinity North American Freight Car, Inc. | 50 |
1 |
CRRC Qiqihar Rolling Stock Co., Ltd. Dalian Research & Development Center | 2 |
1 |
Axtone SA | 25 |
1 |
Faiveley Transport Schwab AG | 3 |
1 |
CRRC Sifang Co., Ltd. | 4 |
1 |
Limited Liability Company "industrial Center" | 1 |
1 |
Other owners | 0 |