| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Denmark | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Guiding railway traffic | |
| #3 | Electrical vehicle propulsion | |
| #4 | Coin-freed |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kusko Alexander | 4 |
| #2 | Gordon Susanna P | 3 |
| #3 | Evans John A | 3 |
| #4 | Todd Peter L | 3 |
| #5 | Mathews Harry A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6980894B1 | Method of managing interference during delay recovery on a train system | |
| US6332107B1 | Efficient high density train operations | |
| US4615484A | Insulative protective device for rail fastener | |
| US4635846A | Insulative protective device for rail fastener | |
| US3401830A | Vending machine for credit card purchasing |