Inventor · Prêles, CH

Stefan Stark

50Patents
12h-index
34Co-inventors
84Inventor score

Filing activity: Jun 22, 1993 → Oct 8, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
USD409546S Front face of a vehicle wheel General 54 Expired
USD612563S1 Forklift, toy, or likeness thereof General 44 Expired
USD583124S1 Forklift General 40 Expired
USD356772S Front end of a sports car General 34 Expired
USD518268S1 Surface configuration of a forklift, toy and/or other replicas General 32 Expired
USD356757S Sports car body General 29 Expired
USD363561S Sports car headlamp General 25 Expired
USD535805S1 Surface configuration of a forklift, toy, and/or other replicas General 23 Expired
US5778649A Power-driven hedge trimmer Emerging Cross-Sectional Technologies 20 Expired
USD370761S High-lift truck General 16 Expired
USD584024S1 Surface configuration of a forklift, toy, and/or other replicas General 12 Expired
USD720114S1 Fork-lift truck General 12 Active
USD570575S1 Forklift, toy and/or other replicas General 11 Expired
USD587423S1 Surface configuration of a forklift, toy, and/or other replicas General 8 Expired
USD575923S1 Surface configuration of a forklift, toy, and/or other replicas General 7 Expired
USD587424S1 Surface configuration of a forklift, toy, and/or other replicas General 7 Expired
USD778522S1 Fork-lift truck General 6 Active
USD589674S1 Surface configuration of a forklift, toy, and/or other replicas General 6 Expired
USD587422S1 Surface configuration of a forklift, toy, and/or other replicas General 5 Expired
US8947983B2 Dial for a timepiece Physics 4 Active
US5877461A Muffler Mechanical Engineering; Lighting; Heating 3 Expired
USD601773S1 Surface configuration of a forklift, toy, and /or other replicas General 3 Expired
USD778523S1 Fork-lift truck General 3 Active
USD818238S1 Forklift truck General 2 Active
USD818239S1 Forklift truck General 2 Active

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