Inventor · Oxford, MI, US

Carl J. Zipfel

69Patents

64h-index

7Co-inventors

77Inventor score

Filing activity: Jan 11, 2008 → Jun 10, 2021

Most-cited inventions

Patent	Title	Area	Cited by	Status
USD605977S1	Vehicle body	General	893	Expired
USD657718S1	Vehicle body	General	891	Expired
USD780067S1	Vehicle body exterior	General	567	Active
USD797632S1	Vehicle liftgate	General	533	Active
USD812526S1	Vehicle front lower bumper	General	478	Active
USD818158S1	Vehicle rear taillamp	General	471	Active
USD818157S1	Vehicle front headlamp	General	470	Active
USD818159S1	Vehicle rear taillamp	General	465	Active
USD813109S1	Vehicle front upper bumper	General	450	Active
USD803731S1	Vehicle grille	General	447	Active
USD811958S1	Vehicle rear lower bumper	General	439	Active
USD813730S1	Vehicle grille	General	420	Active
USD809442S1	Vehicle side mirror	General	413	Active
USD830242S1	Vehicle grille	General	396	Active
USD805014S1	Vehicle front fender	General	391	Active
USD847392S1	Vehicle fog light	General	377	Active
USD845519S1	Vehicle rear taillamp	General	374	Active
USD847705S1	Vehicle front lower bumper fascia	General	371	Active
USD847704S1	Vehicle front lower bumper fascia	General	369	Active
USD846771S1	Vehicle front headlamp	General	367	Active
USD847044S1	Vehicle front upper bumper fascia	General	367	Active
USD840068S1	Vehicle rear taillamp	General	364	Active
USD839460S1	Vehicle front headlamp	General	364	Active
USD840571S1	Vehicle rear taillamp	General	364	Active
USD845190S1	Vehicle front upper bumper fascia	General	364	Active

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