UTDC Inc.
21Patents
0Active
21Granted
32Portfolio score
Filing activity: Feb 26, 1987 → Apr 23, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5053964A | On-board integrated vehicle control and communication system | Emerging Cross-Sectional Technologies | 89 | Expired |
| US4835693A | Brake assurance monitor | Performing Operations; Transporting | 28 | Expired |
| US5078566A | Freight discharge apparatus | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5218277A | Controller for a linear induction motor | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5127599A | Deceleration zone in a linear motor in-track transit system | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD331033S | Rail vehicle | General | 14 | Expired |
| US5015141A | Freight transportation system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5243920A | Brace connection for frame braced truck | Performing Operations; Transporting | 10 | Expired |
| US5052707A | Torque linkage bisector centring mechanism | Performing Operations; Transporting | 9 | Expired |
| US4943261A | Flexible shaft coupling having flexible elements interspersed between alternating attachment wedges | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5131332A | Railway truck with steered axles and primary suspension | Performing Operations; Transporting | 9 | Expired |
| US5258671A | Cooling structure for linear induction motor | Electricity | 9 | Expired |
| USD317886S | Transit vehicle | General | 8 | Expired |
| US4926756A | Longitudinal steering linkage for truck with interaxle yokes | Performing Operations; Transporting | 7 | Expired |
| US4860666A | Multi-axle, steered articulated railway vehicle with compensation for transitional spirals | Performing Operations; Transporting | 6 | Expired |
| US5081933A | LCTS chassis configuration with articulated chassis sections between vehicles | Performing Operations; Transporting | 6 | Expired |
| US5191246A | Magnetically isolated bolts for linear induction motor | Electricity | 6 | Expired |
| US5118055A | Reduced voltage braking system in a linear motor in-track transit system | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5116002A | Stopping zones in a linear motor in-track transit system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5105110A | Linear induction motor secondary | Performing Operations; Transporting | 1 | Expired |
| US5131713A | Vehicle for a freight transportation system | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.