Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11932296 | Method for obtaining route and directive data for interlocked subdivisions | Ann K. Grimm | 2024-03-19 |
| 11871234 | Secure vehicle to vehicle PTC communication | Adam Hausmann, Matthew Vrba, Edward J. Kuchar, James G. Lucas, Andrew Ryan Staats +18 more | 2024-01-09 |
| 11511782 | Control system for enforcing conditional authorities using vehicle-to-vehicle monitoring | Ann K. Grimm, Jeffrey D. Kernwein, Francois P. Pretorius | 2022-11-29 |
| 11427238 | Method and system for vehicle data communication | Ann K. Grimm | 2022-08-30 |
| 11153077 | Secure vehicle to vehicle communication | Stephen Craven, Matthew Vrba | 2021-10-19 |
| 9896114 | Method and protection system for trains operating at restricted speed | Jeffrey D. Kernwein | 2018-02-20 |
| 9168936 | System and method of transforming movement authority limits | Ann K. Grimm, Phillip A. Burgart, James H. Moore | 2015-10-27 |