Inventor · Lancaster, PA, US

David A. Lehman

34Patents
7h-index
18Co-inventors
66Inventor score

Filing activity: Apr 24, 1986 → Feb 9, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD299346S Printer for electronic computer General 32 Expired
US10189381B2 Safety belt assembling device capable of assembling a child restraint system with a vehicle seat Performing Operations; Transporting 27 Active
US10406947B2 Child restraint for vehicle Performing Operations; Transporting 13 Active
US9315124B2 Child restraint having indicator device Performing Operations; Transporting 12 Active
US10266077B2 Child safety seat Performing Operations; Transporting 10 Active
US10457182B2 Integrated door frame and handle bracket Performing Operations; Transporting 8 Active
US10363842B2 Vehicle anchor system for juvenile seat base Performing Operations; Transporting 7 Active
US11447047B2 Child safety seat Performing Operations; Transporting 6 Active
US8882191B2 Collapsible canopy for a child conveyance device Performing Operations; Transporting 5 Active
US10377274B2 Infant carrier Performing Operations; Transporting 4 Active
USD979258S1 Safety seat General 4 Active
US10293713B2 Child-restraint harness Performing Operations; Transporting 3 Active
US10583756B2 Child restraint for vehicle Performing Operations; Transporting 3 Active
US10427559B2 Child restraint system with seat-orientation adjuster Performing Operations; Transporting 3 Active
US10843597B2 Child safety seat Performing Operations; Transporting 3 Active
US11840164B2 Child safety seat Performing Operations; Transporting 2 Active
US10576849B2 Child safety seat Performing Operations; Transporting 2 Active
USD1021426S1 Safety seat General 2 Active
US10099580B2 Child restraint for vehicle Performing Operations; Transporting 2 Active
US11440446B2 Child restraint system Performing Operations; Transporting 2 Active
US11938848B2 Child restraint system Performing Operations; Transporting 2 Active
US10618435B2 Infant carrier Performing Operations; Transporting 1 Active
US10259356B2 Child safety seat Performing Operations; Transporting 1 Active
USD1038635S1 Safety seat General 1 Active
US10766385B2 Child safety seat Performing Operations; Transporting 1 Active

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