How many patents does
Progress Rail Services Corporation have?
patents
345
families
105
granted
110
applications
235
US
185
WO
37
CN
34
EP
18
GB
9
RoW
62
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Progress Rail Services Corporation
Top ten assignees appearing on patents
Progress Rail Services Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| rail anchor | 13 | 2009 |
| system and method for railroad track tie plate collection from a rail bed | 10 | 2009 |
| continuously variable dynamic brake for a locomotive | 10 | 2011 |
| traction motor drive system for a locomotive | 10 | 2011 |
| system and method for railroad track tie plate orientation | 9 | 2009 |
| system and method for flash-welding | 9 | 2010 |
| locomotive power contactor | 9 | 2011 |
| rail anchor isolator for railroad tie | 9 | 2008 |
| train wheel bearing temperature detection | 8 | 2004 |
| device for testing a sensor of train undercarriage temperatures | 8 | 2011 |