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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US405523322 Dic 197525 Oct 1977Electronic Engineering Co. of CaliforniaEar coupler
US412284117 Jun 197731 Oct 1978American Electromedics CorporationProbe tip
US44741825 Oct 19812 Oct 1984Surgical Stoma Tool and methods of making and using the same
US449085712 Oct 19821 Ene 1985Band earplug
US480436228 Dic 198714 Feb 1989Ear cleaning stick provided with ear cleaning portions including a double stop abutment
US486714916 Dic 198919 Sep 1989Cabot CorporationEarplugs
US489667922 May 198930 Ene 1990Method and apparatus for the exclusion of sound and water from the auditory canal
US503121915 Sep 19889 Jul 1991Epic CorporationApparatus and method for conveying amplified sound to the ear
US507437510 Ago 199024 Dic 1991Hearing protection system assembly
US515338731 Dic 19906 Oct 1992Syracuse UniversityLayered earplug
US546778416 Ago 199421 Nov 1995Pressure-regulating ear plug
US581974524 Oct 199713 Oct 1998House Ear InstitutePressure-regulating ear plug
US59571368 Oct 199828 Sep 1999Moldex-Metric, Inc.Earplug
US598831311 Dic 199723 Nov 1999Dalloz Safety ABEarplug
US614882129 Abr 199821 Nov 2000Cabot Safety Intermediate CorporationSelective nonlinear attenuating earplug
US656839416 Oct 200127 May 2003Cabot Safety Intermediate CorporationFlanged earplug
US669509313 Ene 200024 Feb 2004Aearo CompanyEarplug
US677285425 Mar 200210 Ago 2004Shure IncorporatedDevice and method for inserting acoustic dampers into earphones
US71925449 Sep 200420 Mar 2007Howard Leight Industries, LLCEarplug with molded-in stiffener
US749062914 Sep 200617 Feb 2009Plug kit
US76977063 Nov 200313 Abr 20103M Innovative Properties CompanyLow sound attenuating hearing protection device
US772743317 Feb 20061 Jun 20103M Innovative Properties CompanyHearing protective device and method of making the same
US773148717 Feb 20068 Jun 20103M Innovative Properties CompanyMold for forming a hearing protective device
US798471622 Jun 200726 Jul 2011Kimberly-Clark Worldwide Inc.Self-conforming sound attenuation earplug
US811320722 Ago 200814 Feb 2012Kimberly-Clark Worldwide, Inc.Self-conforming sound attenuation earplug
USD2537236 Feb 197818 Dic 1979Ear plug
USD4273048 Oct 199827 Jun 2000Moldex-Metric, IncEarplug
USD43413917 Sep 199921 Nov 20003M Innovative Properties CompanyEarplug
USD43616417 Sep 19999 Ene 20013M Innovative Properties CompanyEarplug
USD47262716 Oct 20011 Abr 2003Cabot Safety Intermediate CorporationEarplug
USD59173223 Jul 20085 May 2009Burton Technologies, LLCEarbud adapter
USD5923004 Sep 200812 May 2009Earplug
USD6326782 Abr 201015 Feb 20113M Innovative Properties CompanyEar bud shaft and taper

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