Assignee
ENVIRONMENTAL FRAGRANCE TECH
US·4 granted patents·342 citations·filing 1985–1987
Top patents by PatentIndex Score
4 records- 0191US4795883AAroma generating apparatus and driver circuitENVIRONMENTAL FRAGRANCE TECH·Filed 1987·Granted Jan 3, 1989·104 cites·25 claims
- 0290US4798935ADriver circuitENVIRONMENTAL FRAGRANCE TECH·Filed 1987·Granted Jan 17, 1989·63 cites·18 claims
- 0384US4804821AAroma diffuser assemblyENVIRONMENTAL FRAGRANCE TECH·Filed 1987·Granted Feb 14, 1989·137 cites·36 claims
- 0454US4631387AAroma generating apparatus with electrical heating elementENVIRONMENTAL FRAGRANCE TECH·Filed 1985·Granted Dec 23, 1986·38 cites·18 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →