Inventor · disambiguated record
Charles Henry Dufour
Also filed as: DUFOUR CHARLES H · DUFOUR CHARLES HENRY
33 granted patents·1 pending application·723 citations·filing 1974–2002
98Inventor score
Files withHEIDELBERGER DRUCKMASCH AG24HARRIS CORP3GOSS INT AMERICAS INC2HEIDELBERG HARRIS INC2HARRIS GRAPHICS CORP1
Top patents by PatentIndex Score
34 records- 0196US6553908B1Web fanout control systemHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted Apr 29, 2003·30 cites·10 claims
- 0295US6298781B1Former board arrangement in a web-fed rotary newspaper printing pressHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted Oct 9, 2001·40 cites·19 claims
- 0394US6205926B1Method for on the run plate changes in offset web-fed pressHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Mar 27, 2001·43 cites·9 claims
- 0493US6386103B1Blanket tube removal deviceHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted May 14, 2002·25 cites·6 claims
- 0590US6098542AMethod and device for force loading a rubber blanket roller in a printing pressHEIDELBERGER DRUCKMASCH AG·Filed 1999·Granted Aug 8, 2000·31 cites·11 claims
- 0689US6439117B1Printing press with multi-plate plate cylinderHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted Aug 27, 2002·15 cites·10 claims
- 0789US6374731B1Lithographic newspaper printing pressHEIDELBERGER DRUCKMASCH AG·Filed 1997·Granted Apr 23, 2002·63 cites·14 claims
- 0889US5975280ADevice for transporting flat products to further processing units or delivery stationsHEIDELBERGER DRUCKMASCH AG·Filed 1996·Granted Nov 2, 1999·43 cites·16 claims
- 0988US6733431B2Device and method for folding newspapers with flexible inserting positionHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted May 11, 2004·24 cites·7 claims
- 1088US5992610AMethod and device for producing a rotated stream with a corner gripperHEIDELBERGER DRUCKMASCH AG·Filed 1997·Granted Nov 30, 1999·38 cites·20 claims
- 1187US6186064B1Web fed rotary printing press with movable printing unitsHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Feb 13, 2001·29 cites·20 claims
- 1287US4347788APlate lockup mechanismHARRIS CORP·Filed 1980·Granted Sep 7, 1982·31 cites·12 claims
- 1386US6615731B2Printing press with multi-plate plate cylinderHEIDELBERGER DRUCKMASCH AG·Filed 2002·Granted Sep 9, 2003·12 cites·8 claims
- 1484US6422552B1Movable folders and former board arrangementHEIDELBERGER DRUCKMASCH AG·Filed 1999·Granted Jul 23, 2002·43 cites·20 claims
- 1584US6152034AFormer board arrangement in a web-fed rotary newspaper printing pressHEIDELBERGER DRUCKMASCH AG·Filed 1999·Granted Nov 28, 2000·27 cites·20 claims
- 1683US6684775B2Printing unit with roll-away inkersHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Feb 3, 2004·17 cites·24 claims
- 1782US4520454AMakeready systemHARRIS CORP·Filed 1983·Granted May 28, 1985·26 cites·23 claims
- 1881US5647586AMethod and apparatus for decelerating a flat productHEIDELBERG HARRIS INC·Filed 1995·Granted Jul 15, 1997·28 cites·19 claims
- 1976US5603263AScraper blade and ink scavenger for printing pressesHEIDELBERGER DRUCKMASCH AG·Filed 1995·Granted Feb 18, 1997·19 cites·22 claims
- 2074US6868783B2Printing press with multiple-image-carrying cylinderGOSS INT AMERICAS INC·Filed 2001·Granted Mar 22, 2005·7 cites·19 claims
- 2173US6443065B1Plate cylinder, external plate register tool, and method of registering platesHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted Sep 3, 2002·7 cites·18 claims
- 2273US5653428APhase control system for a folder fanHEIDELBERGER DRUCKMASCH AG·Filed 1995·Granted Aug 5, 1997·23 cites·21 claims
- 2372US6935234B2Lithographic newspaper printing pressHEIDELBERGER DRUCKMASCH AG·Filed 2002·Granted Aug 30, 2005·14 cites·14 claims
- 2468US6371025B1Apparatus and method for cleaning a tubular printing blanketHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted Apr 16, 2002·12 cites·11 claims
- 2567US6062372APost-folder diverting apparatus using parallel drivesHEIDELGERG WEB PRESS INC·Filed 1997·Granted May 16, 2000·18 cites·10 claims
- 2667US3945266ACircumferential register assemblyHARRIS CORP·Filed 1974·Granted Mar 23, 1976·19 cites·9 claims
- 2762US4603336ATransfer mechanism for multiple station imaging/printing apparatusHARRIS GRAPHICS CORP·Filed 1984·Granted Jul 29, 1986·11 cites·50 claims
- 2857US6250223B1Blanket tube removal deviceHEIDELBERGER DRUCKMASCH AG·Filed 1999·Granted Jun 26, 2001·9 cites·21 claims
- 2944US6322487B1Method and apparatus for delivery of flat printed productsHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Nov 27, 2001·6 cites·28 claims
- 3044US6012365AReduced maintenance cutting machineHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Jan 11, 2000·9 cites·13 claims
- 3138US6851362B2Printing cylinder with fanout compensationGOSS INT AMERICAS INC·Filed 2002·Granted Feb 8, 2005·0 cites·20 claims
- 3237US6119846ACollapsible gripper modulesHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Sep 19, 2000·3 cites·19 claims
- 3332US2002185023A1Printing unit with inker for varying-diameter plate cylinderFiled 2001·Application pending·0 cites
- 3428US5681254AMechanism for applying a biasing force in a folder apparatusHEIDELBERG HARRIS INC·Filed 1996·Granted Oct 28, 1997·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →