Metal structured packing units for use in petroleum refining and chemical process towers, not for laboratory use

optical components for the separation of the polarization properties of light, namely, polarizing beam splitters [ ; beam splitters; ] *and* polarizers [ ; wave plates; reflective polarizers; polarization-based light recycling systems comprised of beam splitters, polarizers, wave plates, mirrors; a polarization-based color separation systems comprised of beam splitters, polarizers, wave plates, mirrors, and reflective polarizers ]

laboratory and process scale membrane filtration systems comprising pumps, electronic controls, filters, piping, valves and cartridges

Lighting ballasts