Biomedical devices, including blood filters, medical gas filters, i.v. fluid filters, blood purification filters, syringe pumps for administering fluids to or withdrawing fluids from patients, air or gas eliminators for removing air or gas from fluid administration lines, check valves for use with syringe pumps, blood autotransfusors and heat and moisture exchangers being surgical or medical apparatus for use in connection with breathing apparatus; fluid pumps in this class; all other class 10 goods

Sewage treatment apparatus; sewage disposal apparatus; water clarification apparatus; water treatment systems, including demineralizers and water conditioners and valves therefore; filters for filtration of fluids in industrial uses, including filter elements, filter housings, filter assemblies and component parts therefor, filter assemblies having relief valves, filter cartridges, filter manifolds, filters having microporous layers, membrane filters, dialyzers, coalescers, cyclone and vortex separators, oil removal filters, housings for industrial liquid cartridges; environmental control systems for air purification in industrial facilities; including air conditioning and heating apparatus, thermoelectric air conditioning apparatus, cooling apparatus and component parts therefor, heat exchangers, gas transfer and reclamation apparatus and component parts therefor; gas dryers, including desiccant and refrigerant gas dryers and component parts therefor, cycling control and timing devices and valves for dryers, gas and fluid dehydrators and component parts therefor