CD

Charles Henry Dufour

HD Heidelberg Druckmaschinen: 27 patents #18 of 1,510Top 2%
HH Heidelberg Harris: 4 patents #13 of 70Top 20%
GA Goss International Americas: 2 patents #53 of 136Top 40%
Harris: 2 patents #731 of 2,288Top 35%
HG Harris Graphics: 1 patents #28 of 89Top 35%
📍 Westerly, RI: #2 of 131 inventorsTop 2%
🗺 Rhode Island: #123 of 6,211 inventorsTop 2%
Overall (All Time): #114,336 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
6935234 Lithographic newspaper printing press Peter Walter Walczak, Michael J. Stevenson, John Sheridan Richards, Roland Thomas Palmatier 2005-08-30
6868783 Printing press with multiple-image-carrying cylinder John Sheridan Richards 2005-03-22
6851362 Printing cylinder with fanout compensation Kenneth Waldo Brown, Charles Reif Hammond, John Sheridan Richards, John James Sposato, Jr. 2005-02-08
6733431 Device and method for folding newspapers with flexible inserting position 2004-05-11
6684775 Printing unit with roll-away inkers Charles Reif Hammond, John Thomas Lorrey 2004-02-03
6615731 Printing press with multi-plate plate cylinder Mark Bernard Dumais, Lev Zlatin, Glenn Alan Guaraldi 2003-09-09
6553908 Web fanout control system John Sheridan Richards 2003-04-29
6443065 Plate cylinder, external plate register tool, and method of registering plates William Albert Charette, John James Sposato, Jr., Lev Zlatin 2002-09-03
6439117 Printing press with multi-plate plate cylinder Mark Bernard Dumais, Lev Zlatin, Glenn Alan Guaraldi 2002-08-27
6422552 Movable folders and former board arrangement Lewis B. Chesno, Robert Michael Riotto 2002-07-23
6386103 Blanket tube removal device William Albert Charette, Christian Heinz Miescher, David Crowell Emery 2002-05-14
6374731 Lithographic newspaper printing press Peter Walter Walczak, Michael J. Stevenson, John Sheridan Richards, Roland Thomas Palmatier 2002-04-23
6371025 Apparatus and method for cleaning a tubular printing blanket David Crowell Emery, Roland Thomas Palmatier 2002-04-16
6322487 Method and apparatus for delivery of flat printed products 2001-11-27
6298781 Former board arrangement in a web-fed rotary newspaper printing press 2001-10-09
6250223 Blanket tube removal device 2001-06-26
6205926 Method for on the run plate changes in offset web-fed press 2001-03-27
6186064 Web fed rotary printing press with movable printing units 2001-02-13
6152034 Former board arrangement in a web-fed rotary newspaper printing press 2000-11-28
6119846 Collapsible gripper modules Kevin Lauren Cote 2000-09-19
6098542 Method and device for force loading a rubber blanket roller in a printing press 2000-08-08
6062372 Post-folder diverting apparatus using parallel drives Kevin Lauren Cote 2000-05-16
6012365 Reduced maintenance cutting machine Kevin Lauren Cote 2000-01-11
5992610 Method and device for producing a rotated stream with a corner gripper Kevin Lauren Cote 1999-11-30
5975280 Device for transporting flat products to further processing units or delivery stations Kevin Lauren Cote, Richard Daniel Curley 1999-11-02