Individual holder
JOANNOU CONSTANTINOS J
CA·6 granted patents·275 citations·filing 1977–2004
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0197US4549887AElectronic air filterJOANNOU CONSTANTINOS J·Filed 1983·Granted Oct 29, 1985·113 cites·6 claims
- 0294US4828586ACartridge type electronic air filterJOANNOU CONSTANTINOS J·Filed 1988·Granted May 9, 1989·82 cites·7 claims
- 0381US7112238B2Electronic air filter with resistive screen and electronic modular assemblyJOANNOU CONSTANTINOS J·Filed 2004·Granted Sep 26, 2006·26 cites·5 claims
- 0462US4154445AViscous damping arrangement for record player tone armsJOANNOU CONSTANTINOS J·Filed 1977·Granted May 15, 1979·10 cites·4 claims
- 0554US5103155ABattery charging cable systemJOANNOU CONSTANTINOS J·Filed 1990·Granted Apr 7, 1992·29 cites·22 claims
- 0651US4276820AAutomatic egg cookerJOANNOU CONSTANTINOS J·Filed 1978·Granted Jul 7, 1981·15 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →