Assignee
CHEN CHI-DER
TW·4 granted patents·2 pending applications·72 citations·filing 1992–2020
Top patents by PatentIndex Score
6 records- 0187US5282962AProtein skimmer and power head thereofCHEN CHI DER·Filed 1992·Granted Feb 1, 1994·55 cites·8 claims
- 0259US11440817B2Sterilizer for aquariumCHEN CHI DER·Filed 2020·Granted Sep 13, 2022·0 cites·2 claims
- 0349US5345305AAquarium light meterCHEN CHI DER·Filed 1993·Granted Sep 6, 1994·17 cites·7 claims
- 0448US2010043718A1Submerged motor for aquariumCHEN CHI-DER·Filed 2008·Application pending·0 cites
- 0545US7535139B2Bi-directional reversible submersible motorCHEN CHI-DER·Filed 2006·Granted May 19, 2009·0 cites·6 claims
- 0643US2007253844A1Submerged motorCHEN CHI-DER·Filed 2006·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →