Inventor · disambiguated record
Walter D. Klassen
Also filed as: KLASSEN WALTER D
7 granted patents·1 pending application·47 citations·filing 1992–2013
81Inventor score
Files withGATEWAY BOOKBINDING SYSTEMS LT3DESJARLAIS MATTHEW G1GATEWAY BOOKBINDING SYSTEMS IN1GATEWAY BOOKBINDING SYSTEMS LTD1KLASSEN WALTER D1
Top patents by PatentIndex Score
8 records- 0160US7731468B2Bookbinding coil end cutting and crimping machineGATEWAY BOOKBINDING SYSTEMS LT·Filed 2006·Granted Jun 8, 2010·2 cites·11 claims
- 0260US6382950B1Coil winding machineGATEWAY BOOKBINDING SYSTEMS IN·Filed 2000·Granted May 7, 2002·8 cites·18 claims
- 0353US7246982B2Bookbinding coil insertion machineGATEWAY BOOKBINDING SYSTEMS LT·Filed 2003·Granted Jul 24, 2007·9 cites·11 claims
- 0452US9649869B2Bookbinding by inserting a helical plastic coil into the aligned holes at the edge of the bookGATEWAY BOOKBINDING SYSTEMS LTD·Filed 2013·Granted May 16, 2017·1 cites·20 claims
- 0550US8287205B2Method for binding a book with a helical plastic coilDESJARLAIS MATTHEW G·Filed 2008·Granted Oct 16, 2012·1 cites·12 claims
- 0648US5318474ARadial flow diffuserPRICE LTD E H·Filed 1992·Granted Jun 7, 1994·26 cites·21 claims
- 0747US2010150682A1Forming, insertion and end crimping of helical coils for bookbindingKLASSEN WALTER D·Filed 2008·Application pending·0 cites
- 0844US7828503B2Bookbinding coil end cutting and crimping machineGATEWAY BOOKBINDING SYSTEMS LT·Filed 2010·Granted Nov 9, 2010·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →