Inventor · Johnstown, PA, US

Todd L. Lydic

15Patents
8h-index
10Co-inventors
69Inventor score

Filing activity: Jan 3, 1994 → Jun 22, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
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.