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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39692481 Nov 197413 Jul 1976The Whitmer CompanyPool filtering system
US408857522 Feb 19779 May 1978Automatic system cleaner for remote monitor
US433933213 May 198113 Jul 1982Pressurized chemical dispenser
US434943724 Jul 198014 Sep 1982Automatic and continuous chemical feed system
US44129185 Mar 19821 Nov 1983Automatic and continuous chemical feed system
US441923318 Nov 19816 Dic 1983Chlorinator for a swimming pool
US480447814 Oct 198714 Feb 1989Method and an arrangement for the treatment and disinfection of swimming and bathing reservoir water using chlorine and ozone
US487902718 Sep 19877 Nov 1989A. W. SchlottmannBinary fluid system, and components thereof, for producing an impregnated metered fluid stream
US61238396 Abr 199826 Sep 2000Automatic fluid dispensing system
US64441299 Feb 20013 Sep 2002Softub, Inc.Timing of spa water treatment
US675293011 Abr 200222 Jun 2004Chlorination apparatus and method
US73813252 May 20053 Jun 2008Spa treatment system