Inventor · Kronberg, DE

Gregor Ptok

37Patents
16h-index
14Co-inventors
74Inventor score

Filing activity: Apr 19, 2011 → Sep 8, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD676663S1 Toothbrush General 71 Active
USD798808S1 Charging stand for electronic shaver General 33 Active
USD751252S1 Shaver General 33 Active
USD713994S1 Shaver head General 32 Active
USD690880S1 Shaver General 31 Active
USD671401S1 Packaging for shaver General 31 Active
USD689242S1 Shaver head General 30 Active
USD751039S1 Electrical plug General 28 Active
USD921985S1 Electric dry shaver General 25 Active
USD668387S1 Shaver General 24 Active
USD868377S1 Electric dry shaver brush General 24 Active
USD942082S1 Hair removal device General 23 Active
USD942686S1 Hair removal device General 23 Active
USD702882S1 Shaver General 21 Active
USD942083S1 Hair removal device General 19 Active
USD976490S1 Electric dry shaver General 17 Active
USD967537S1 Electric dry shaver General 15 Active
USD676602S1 Cleaning center for a shaver General 15 Active
USD731707S1 Cleaning center for a shaver General 14 Active
USD677836S1 Shaver General 13 Active
USD655451S1 Combined hair trimmer and razor General 12 Expired
USD703378S1 Shaver switch General 9 Active
USD680271S1 Shaver General 8 Active
USD963245S1 Electric dry shaver General 8 Active
USD912898S1 Epilator General 8 Active

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