Todd L. Lydic
15Patents
8h-index
10Co-inventors
69Inventor score
Filing activity: Jan 3, 1994 → Jun 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6679187B2 | Slab and coil railcar | Performing Operations; Transporting | 13 | Expired |
| US5934200A | Lightweight hopper car | Performing Operations; Transporting | 13 | Expired |
| US5860366A | Center sill construction for a hopper rail car | Performing Operations; Transporting | 12 | Expired |
| US6119345A | Method of cold forming center sill for a railcar | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6244191A | Hopper rail car | Performing Operations; Transporting | 9 | Expired |
| US9387864B2 | Transverse trough coil car with modular trough forming assemblies and method of forming same | Emerging Cross-Sectional Technologies | 9 | Active |
| US6148735A | Light weight gondola car | Performing Operations; Transporting | 8 | Expired |
| US8342105B2 | Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override | Performing Operations; Transporting | 8 | Active |
| US6769366B1 | One piece center sill for a railroad car | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5390607A | Non-metallic polymer longitudinal hood collar | Performing Operations; Transporting | 7 | Expired |
| US7478599B1 | Railroad car having cold formed center sill | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6330863A | Railroad car tub | Performing Operations; Transporting | 2 | Expired |
| US9669845B2 | Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override | Performing Operations; Transporting | 1 | Active |
| US7832340B2 | Hopper railcar with automatic individual door system | Performing Operations; Transporting | 1 | Active |
| US11577762B2 | Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.