Patent assignee · US · COMPANY

Metaframe, Inc.

16Patents
0Active
16Granted
28Portfolio score

Filing activity: Jun 30, 1975 → Oct 25, 1985

Most-cited patents

PatentTitleAreaCited byStatus
US3999519A Rotatable feeder for animals Human Necessities 47 Expired
US4512724A Electric pump for use in filtering system of a tropical fish tank or the like Mechanical Engineering; Lighting; Heating 34 Expired
US4285813A Aquarium filtration apparatus Human Necessities 30 Expired
US4124793A Aquarium water heater Electricity 25 Expired
US4206719A Aquarium hood apparatus Human Necessities 17 Expired
US4385989A Filter assembly and cartridge therefor Human Necessities 17 Expired
USD253652S Air pump or similar article General 15 Expired
US4082062A Integrated aquarium Human Necessities 15 Expired
US3964438A Food blanket for animals Human Necessities 15 Expired
US4723512A Animal habitat Human Necessities 13 Expired
US4064839A Aminated animal habitat Human Necessities 8 Expired
USD258543S Small animal habitat module or similar article General 7 Expired
USD292032S Rodent habitat General 6 Expired
USD292033S Rodent habitat General 5 Expired
USD256956S Passageway joint for a small animal habitat or the like General 5 Expired
US3998187A Animal activity apparatus Human Necessities 5 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.