Inventor · disambiguated record
Chi-Der Chen
Also filed as: CHEN CHI-DER
8 granted patents·4 pending applications·168 citations·filing 1992–2020
87Inventor score
Files withCHEN CHI-DER6
Top patents by PatentIndex Score
12 records- 0187US5282962AProtein skimmer and power head thereofCHEN CHI DER·Filed 1992·Granted Feb 1, 1994·55 cites·8 claims
- 0285US5380160APower head assembly for a protein skimmerFiled 1993·Granted Jan 10, 1995·46 cites·2 claims
- 0371US6746219B1Water pump motorFiled 2002·Granted Jun 8, 2004·14 cites·5 claims
- 0459US11440817B2Sterilizer for aquariumCHEN CHI DER·Filed 2020·Granted Sep 13, 2022·0 cites·2 claims
- 0553US5877566ASubmersible magnetic motor having improved rotary bladesFiled 1997·Granted Mar 2, 1999·32 cites·7 claims
- 0649US5345305AAquarium light meterCHEN CHI DER·Filed 1993·Granted Sep 6, 1994·17 cites·7 claims
- 0748US2010043718A1Submerged motor for aquariumCHEN CHI-DER·Filed 2008·Application pending·0 cites
- 0846US6719525B2Submerged motor vane wheel rotation direction control structureFiled 2001·Granted Apr 13, 2004·4 cites·8 claims
- 0945US7535139B2Bi-directional reversible submersible motorCHEN CHI-DER·Filed 2006·Granted May 19, 2009·0 cites·6 claims
- 1043US2007253844A1Submerged motorCHEN CHI-DER·Filed 2006·Application pending·0 cites
- 1142US2003205512A1External type filter structure for aquariumFiled 2002·Application pending·0 cites
- 1239US2005031462A1Silent device for submerge pump of aquariumFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →