Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US414056414 Mar 197720 Feb 1979Method for corrugating paperboard
US427848629 Abr 197614 Jul 1981Method and apparatus for corrugating paperboard
US461707617 Sep 198414 Oct 1986Westvaco CorporationGlue applicator for single-faced corrugated web
US47480663 Feb 198731 May 1988Digital Equipment CorporationFire resistant materials
US476423622 Jun 198716 Ago 1988Westvaco CorporationCorrugating machine glue applicator
US538918321 May 199314 Feb 1995Mitsubishi Jukogyo Kabushiki KaishaSingle-facer
US576641010 Sep 199616 Jun 1998Corrugating machine with an elastic press plate
US771714823 Jul 200718 May 2010Machine having web tension nulling mechanism
US77265922 Dic 20041 Jun 2010Hercules IncorporatedProcess for increasing the refiner production rate and/or decreasing the specific energy of pulping wood
US775398217 Feb 200613 Jul 2010Baldwin Filters, Inc.Filter with drained jacket, seal indicator/lock means, and seal baffle
US79099549 Jul 200722 Mar 2011Baldwin Filters, Inc.Method and apparatus for winding a filter media pack
US79317258 Dic 200926 Abr 2011Baldwin Filters, Inc.Fluted filter apparatus
US795970330 Jun 200814 Jun 2011Baldwin Filters, Inc.Fluted filter with integrated frame
US80426942 Nov 200425 Oct 2011Baldwin Filters, Inc.Gathered filter media for an air filter and method of making same
US804818730 Jun 20081 Nov 2011Baldwin Filters, Inc.Filter frame attachment and fluted filter having same
US805762111 Abr 200615 Nov 2011Apparatus and method for producing a corrugated product under ambient temperature conditions
US817787723 Mar 201115 May 2012Baldwin Filters, Inc.Filter frame attachment and fluted filter having same
US820662513 Sep 201126 Jun 2012Baldwin Filters, Inc.Filter element
USH5562 Dic -15Method of manufacture and machine for manufacturing subterranean wall drain
USRE292727 Jun 197621 Jun 1977Westvaco CorporationWater resistant corrugated paperboard

Dibujos