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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US454311230 Abr 198424 Sep 1985Figgie International Inc.Sorbent type filter assembly for a respirator and method of making same
US457217827 Mar 198425 Feb 1986Toyo CCI Kabushiki KaishaEmergency mask
US467797627 Mar 19847 Jul 1987Toyo Cci Kabushiki Kaisha
Katsumi Fujinuma
Emergency mask
US49323996 Oct 198812 Jun 1990Industrie Pirelli
Ministero Della Difesa
Device for replacing the filter of a gas mask in a polluted atmosphere without any contamination risk
US556209231 Jul 19958 Oct 1996Firefighter's emergency smoke filter
US627717820 Ene 199521 Ago 20013M Innovative Properties CompanyRespirator and filter cartridge
US63400244 Nov 199422 Ene 2002DME CorporationProtective hood and oral/nasal mask
US670192511 Abr 20029 Mar 2004Protective hood respirator
US676116917 Ago 200113 Jul 2004Vase TechnologyBi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
US679370228 Jun 200121 Sep 2004Filter cartridge platform and filter cartridge for use on the platform
US686026717 Abr 20011 Mar 2005Avon Protection Systems, Inc.Self-sealing filter connection and gas mask filter assembly incorporating the same
USD2944109 Abr 198523 Feb 1988Siebe North, Inc.Valve assembly for a respirator

Dibujos