Method for covering a ballast bed with foam in a railway track system
US-9822491-B2 · Nov 21, 2017 · US
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Erwe Torsten patents
Erwe Torsten is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Erwe Torsten |
| Total patents | 4 |
| First publication | Oct 15, 2015 |
| Latest publication | Nov 21, 2017 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for producing ballast bodies
US-9562332-B2 · Feb 7, 2017 · US
Process for the production of ballast
US-9297121-B2 · Mar 29, 2016 · US
Method for covering a ballast bed with foam in a railway track system
US-2015292167-A1 · Oct 15, 2015 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Covestro Deutschland Ag | 3 |
| Erwe Torsten | 2 |
| Kleiner Thomas | 2 |
| Grimberg Frank | 1 |
| Gross Thomas | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E01B27/02 | 4 |
| E01B1/001 | 4 |
| E01B1/00 | 2 |
| E01B2204/03 | 2 |
| E01B3/44 | 1 |