Inventor · disambiguated record
John Knaack
Also filed as: KNAACK JOHN · KNAACK JOHN L
5 granted patents·79 citations·filing 2002–2020
75Inventor score
Top patents by PatentIndex Score
5 records- 0188US6789876B2Co-operating mechanical subassemblies for a scanning carriage, digital wide-format color inkjet print engineFiled 2002·Granted Sep 14, 2004·71 cites·52 claims
- 0275US10661593B2Methods and systems for printing vibrant grey colors on plastic cardsENTRUST DATACARD CORP·Filed 2019·Granted May 26, 2020·1 cites·20 claims
- 0374US7866810B2Ink jet printerHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Jan 11, 2011·7 cites·15 claims
- 0464US10744806B2Obscuring residual images on print ribbonsENTRUST DATACARD CORP·Filed 2019·Granted Aug 18, 2020·0 cites·17 claims
- 0559US11613140B2Methods and systems for printing vibrant grey colors on plastic cardsENTRUST CORP·Filed 2020·Granted Mar 28, 2023·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →