Inventor · disambiguated record
Charles A. Willus
Also filed as: WILLUS CHARLES · WILLUS CHARLES A · WILLUS CHARLES ARTHUR
9 granted patents·166 citations·filing 1975–2017
89Inventor score
Files withDORR OLIVER INC4RICOH PRINTING SYSTEMS AMERICA2HITACHI KOKI KK1HITACHI PRINTING SOLUTIONS AME1HOWKINS STUART1
Top patents by PatentIndex Score
9 records- 0189US9944070B1Determination of a maximum jetting frequency for an inkjet headHOWKINS STUART·Filed 2017·Granted Apr 17, 2018·7 cites·20 claims
- 0281US6719390B1Short delay phased firing to reduce crosstalk in an inkjet printing deviceHITACHI PRINTING SOLUTIONS AME·Filed 2003·Granted Apr 13, 2004·23 cites·35 claims
- 0379US4067494ANozzle type centrifugal machine with improved slurry pumping chambersDORR OLIVER INC·Filed 1977·Granted Jan 10, 1978·47 cites·21 claims
- 0474US4005817ANozzle type centrifugeDORR OLIVER INC·Filed 1975·Granted Feb 1, 1977·36 cites·24 claims
- 0557US4525274AFiltrate discharge system for pressure filterDORR OLIVER INC·Filed 1984·Granted Jun 25, 1985·20 cites·9 claims
- 0655US6394589B1Ink jet printhead with reduced crosstalkHITACHI KOKI KK·Filed 1999·Granted May 28, 2002·15 cites·14 claims
- 0753US4430071AFeed seal for bottom feed centrifugeDORR OLIVER INC·Filed 1982·Granted Feb 7, 1984·14 cites·10 claims
- 0847US6932458B2Obtaining high frequency performance by controlling chamber pressureRICOH PRINTING SYSTEMS AMERICA·Filed 2002·Granted Aug 23, 2005·4 cites·48 claims
- 0930US6893112B2Structurally isolated inertial transducers for a printing systemRICOH PRINTING SYSTEMS AMERICA·Filed 2003·Granted May 17, 2005·0 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →