Inventor · Oberursel, DE

Heidrun Schmelcher

22Patents
15h-index
53Co-inventors
80Inventor score

Filing activity: Sep 8, 2004 → Nov 16, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
USD824174S1 Toothbrush head General 74 Active
USD734614S1 Toothbrush head General 55 Active
USD527906S1 Toothbrush handle General 52 Expired
USD527526S1 Toothbrush General 50 Expired
USD527907S1 Toothbrush head General 47 Expired
USD972846S1 Toothbrush head General 41 Active
USD831358S1 Toothbrush head General 41 Active
USD687636S1 Toothbrush head General 37 Active
USD874156S1 Toothbrush head General 33 Active
USD902600S1 Toothbrush head General 26 Active
US11425991B2 Head for an oral care implement Human Necessities 25 Active
USD854834S1 Toothbrush head General 21 Active
US9364303B2 Cleaning section for an electric oral hygiene device Human Necessities 18 Active
USD952350S1 Toothbrush head General 17 Active
USD953039S1 Toothbrush head General 15 Active
US10687925B2 Brush head and electric toothbrush Human Necessities 14 Active
US9510669B2 Method for producing a toothbrush handle having an inner cavity Performing Operations; Transporting 13 Active
US7805796B2 Manual toothbrush Human Necessities 13 Active
USD846881S1 Toothbrush head General 13 Active
US9510664B2 Toothbrush having an inner cavity Human Necessities 6 Active
US8245348B2 Manual toothbrush Human Necessities 2 Active
US9463593B2 Method for producing a toothbrush having an inner cavity Performing Operations; Transporting 1 Active

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