Inventor · Cedar Rapids, IA, US

Ann K. Grimm

16Patents
2h-index
38Co-inventors
50Inventor score

Filing activity: Sep 9, 2008 → Oct 18, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8478463B2 Train control method and system Performing Operations; Transporting 20 Active
US9168936B2 System and method of transforming movement authority limits Performing Operations; Transporting 11 Active
US11254337B2 Determining location of a rail vehicle based on a radio frequency signal Performing Operations; Transporting 1 Active
US9254855B2 Computer-implemented method and system for managing conditional authorities in a vehicle network Performing Operations; Transporting 1 Active
US11318970B2 Vehicle control system Performing Operations; Transporting 1 Active
US11312390B2 Vehicle control system Performing Operations; Transporting 0 Active
US12325456B2 Systems and methods for detecting brake system anomalies Performing Operations; Transporting 0 Active
US11871234B2 Secure vehicle to vehicle PTC communication Electricity 0 Active
US12371078B2 Vehicle monitoring system Performing Operations; Transporting 0 Active
US11932296B2 Method for obtaining route and directive data for interlocked subdivisions Electricity 0 Active
US11427238B2 Method and system for vehicle data communication Electricity 0 Active
US11511782B2 Control system for enforcing conditional authorities using vehicle-to-vehicle monitoring Performing Operations; Transporting 0 Active
US11953338B2 Remote initialization system for a vehicle system Electricity 0 Active
US11958512B2 Monitoring and communication device of a vehicle Physics 0 Active
US10974748B1 Vehicle advisory system Performing Operations; Transporting 0 Active
US10457299B2 Train stop timer Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.