Assignee
ROLF C HAGEN USA CORP
6 granted patents·1 pending application·109 citations·filing 1978–2008
Technology mixA01K5
Top patents by PatentIndex Score
7 records- 0186US7481183B2Ventilated terrariumROLF C HAGEN USA CORP·Filed 2005·Granted Jan 27, 2009·20 cites·15 claims
- 0271USD306449SAquarium air pumpROLF C HAGEN USA CORP·Filed 1988·Granted Mar 6, 1990·21 cites·1 claims
- 0370US4313048AThermostatically controlled externally mounted electric aquarium heaterROLF C HAGEN USA CORP·Filed 1978·Granted Jan 26, 1982·25 cites·14 claims
- 0469US4160427AAquarium waterfallROLF C HAGEN USA CORP·Filed 1978·Granted Jul 10, 1979·24 cites·10 claims
- 0561US2009050068A1Ventilated terrariumROLF C HAGEN USA CORP·Filed 2008·Application pending·0 cites
- 0656USD268360SAquarium heaterROLF C HAGEN USA CORP·Filed 1980·Granted Mar 22, 1983·7 cites·1 claims
- 0746US4333626AAquarium heaterROLF C HAGEN USA CORP·Filed 1979·Granted Jun 8, 1982·12 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →