B31F 1/32

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9677278 Method of fabricating bitumen impregnated ridge tiles, and machines for fabricating themNov 27, 13Jun 13, 17ONDULINE
9649821 Apparatus for producing corrugated boardJan 27, 14May 16, 17HBK FAMILY, LLC
9393754 Single facerOct 07, 13Jul 19, 16MITSUBISHI HEAVY INDUSTRIES PRINTING & PACKAGING MACHINERY, LTD.
8806753 Corrugating roll and method of reconditioning the same, and single facerDec 13, 10Aug 19, 14MITSUBISHI HEAVY INDUSTRIES PRINTING & PACKAGING MACHINERY, LTD.
8145457 Method and apparatus for modeling deformation of a deformable body embossed with a stampJan 16, 09Mar 27, 12MASSACHUSETTS INSTITUTE OF TECHNOLOGY
7568411 Method for order transition on a plunge slitterOct 04, 05Aug 04, 09MARQUIP, LLC
7568412 Method for order transition on a plunge slitterSep 05, 07Aug 04, 09MARQUIP, LLC
5419796 Method of fluting a corrugating mediumMar 03, 94May 30, 95Not available
4260442 Method for making an improved variable flute containerJun 01, 79Apr 07, 81INTERNATIONAL PAPER COMPANY