Inventor · Silverton, CO, US

Betsy Fields

47Patents
17h-index
8Co-inventors
66Inventor score

Filing activity: Apr 26, 2002 → Dec 29, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
USD676614S1 Hummingbird nectar feeder General 54 Active
USD545664S1 Knob General 44 Expired
USD526494S1 Robe hook General 42 Expired
USD496258S1 Robe hook General 36 Expired
USD471075S1 Pull General 34 Expired
USD471074S1 Pull General 33 Expired
USD472448S1 Knob General 31 Expired
USD474672S1 Knob with insert General 31 Expired
USD546506S1 Birdfeeder General 30 Expired
USD534787S1 Wall plate General 26 Expired
USD493686S1 Knob General 23 Expired
USD542118S1 Pull General 21 Expired
USD502861S1 Wall plate General 21 Expired
USD496257S1 Robe hook General 19 Expired
USD534058S1 Wall plate General 19 Expired
USD471073S1 Knob General 18 Expired
USD470742S1 Pull General 17 Expired
USD470740S1 Knob General 17 Expired
USD661434S1 Hummingbird nectar feeder port in the form of a petal General 15 Active
USD526493S1 Robe hook General 15 Expired
USD537319S1 Knob General 15 Expired
USD542117S1 Pull General 14 Expired
USD503284S1 Wall plate General 14 Expired
USD470741S1 Knob General 12 Expired
USD503608S1 Wall plate General 12 Expired

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