Inventor · Denver, CO, US

Robert Donegan

50Patents
16h-index
20Co-inventors
84Inventor score

Filing activity: Apr 19, 2002 → Dec 31, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
USD676614S1 Hummingbird nectar feeder General 54 Active
USD713101S1 Bottle for a wild bird feeder General 41 Active
USD615401S1 Hang card General 33 Expired
USD486272S1 Exclusion cage for use with birdfeeders General 32 Expired
USD498335S1 Exclusion cage for use with bird feeders General 31 Expired
US8833301B2 Bird feeder with rotating perch Human Necessities 26 Active
USD614490S1 Hang card General 26 Expired
USD542147S1 Liquid reservoir General 25 Expired
US8833302B2 Bird feeder with rotating perch Human Necessities 25 Active
USD610094S1 All-in-one charger General 24 Expired
US8857374B1 Hopper type wild bird feeder Human Necessities 22 Active
USD537358S1 Liquid reservoir General 19 Expired
USD744172S1 Seed reservoir bottle for a wild bird feeder General 19 Active
USD555295S1 Liquid reservoir and dispenser General 19 Expired
USD821659S1 Birdfeeder General 16 Active
USD788383S1 Seed reservoir bottle for a wild bird feeder General 16 Active
USD720506S1 Seed reservoir bottle for a wild bird feeder General 13 Active
USD858005S1 Bottle for a birdfeeder General 12 Active
USD821660S1 Birdfeeder General 12 Active
USD862802S1 Hanger assembly for a birdfeeder General 10 Active
USD802851S1 Birdseed tote General 9 Active
USD844906S1 Bottle for a birdfeeder General 9 Active
USD522185S1 Birdfeeder General 9 Expired
USD889051S1 Bird feeder General 8 Active
USD756570S1 Seed reservoir bottle for a wild bird feeder General 8 Active

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