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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US41239678 Jun 19777 Nov 1978Air barrier device using pressurized swirls
US44507564 Ene 198229 May 1984Fume exhauster device
US451648224 Abr 198414 May 1985Conditioned air vestibule for refrigerated warehouse doorway
US45506503 Mar 19835 Nov 1985Waldner Laboreinrichtungen GmbH & Co.Hood for the extraction of gases, vapors and suspended matter
US539541021 Dic 19937 Mar 1995Fume exhauster
US583005821 Ago 19963 Nov 1998AET Arbeidsmilj.o slashed. og Energiteknikk A/SArrangement relating to a ventilation installation mounted to a ceiling
US59048966 Nov 199718 May 1999A. R. GrindlMulti-stage zonal air purification system
US625100625 Jun 199926 Jun 2001Commissariat a l'Energie Atomique
UNIR Ultra propre Nutrition Industrie Recherche
Device for dynamic separation of two zones
US637631728 Jun 200023 Abr 2002Micron Technology, Inc.Methods for dual-gated transistors
US65954293 Abr 200222 Jul 2003ASI Technologies, Inc.Apparatus and method for providing continuous real-time conditioned air curtain
US662335229 Jun 200123 Sep 2003Vortex Holding CompanyVortex air barrier
US669633027 Ago 200224 Feb 2004Micron Technology, Inc.Methods, structures, and circuits for transistors with gate-to-body capacitive coupling
US78197292 Mar 200526 Oct 2010ASI Technologies, Inc.Air curtain doorway

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