About 7 Trademarks found that are owned by Zwitterco Inc.

Water treatment equipment, namely, filtration membranes; Water purification and filtration apparatus, and parts, replacement cartridges and filters therefor; Water treatment equipment, namely, membrane-based filtration elements; Water treatment equipment, namely, membrane-based filtration elements and accompanying filtration apparatus, and parts therefor, used for water purification, polishing, refining, and other separation processes

Water treatment equipment, namely, filtration membranes; Water purification and filtration apparatus, and parts, replacement cartridges and filters therefor; Water treatment equipment, namely, membrane-based filtration elements; Water treatment equipment, namely, membrane-based filtration elements and accompanying filtration apparatus, and parts therefor, used for water purification, polishing, refining, and other separation processes

Water filters; water filtration apparatus; water purification apparatus; water treatment apparatus; waste fluid purification apparatus; waste fluid filtration apparatus; waste water treatment apparatus; water treatment equipment, namely, water filtration units; water treatment equipment, namely, filtration membranes; water treatment equipment, namely, reverse osmosis units; water treatment equipment, namely, zwitterion filtration units; water purifying units for commercial and industrial use; water filtering units for commercial and industrial use; sustainable onsite water recycling and wastewater treatment systems

membrane filters for use as parts of filtration process machines in the food, dairy, beverage, bioprocessing, biotechnical and pharmaceutical industries; filters being part of machines; filters for food processing; filters for process applications;

filters; filter modulates; membrane filters; membrane filtration units; fluid separation and concentration units; fractionation apparatus used in the separation of fluids; membranes for ultrafiltration of particles and substances in fluids; membranes for superfiltration of particles and substances in fluids; membranes for nanofiltration of particles and substances in fluids; apparatus for the separation of fluids for sanitary purposes; membrane filter cartridges; zwitterionic membranes; membranes for reverse osmosis of particles and substances in fluid

Water filters; water filtration apparatus; water purification apparatus; water treatment apparatus; waste fluid purification apparatus; waste fluid filtration apparatus; waste water treatment apparatus; water treatment equipment, namely, water filtration units; water treatment equipment, namely, filtration membranes; water treatment equipment, namely, reverse osmosis units; water treatment equipment, namely, zwitterion filtration units; water purifying units for commercial and industrial use; water filtering units for commercial and industrial use; sustainable onsite water recycling and wastewater treatment systems

Water filters; Water filtration apparatus; Water purification apparatus; Water treatment apparatus; Waste fluid purification apparatus; Waste fluid filtration apparatus; Wastewater treatment apparatus; Water treatment equipment, namely, water filtration units; Water treatment equipment, namely, filtration membranes; Water treatment equipment, namely, reverse osmosis units; Water treatment equipment, namely, zwitterion filtration units; Water purifying units for commercial and industrial use; Water filtering units for commercial and industrial use; Sustainable onsite water recycling and wastewater treatment systems; Fluid separation and concentration units; fractionation apparatus used in the separation of fluids

The mark consists of a water drop with diagonal lines running through the image.