Filters, filter elements, filter assemblies and membrane filters and parts therefor for electro-technical apparatus and instruments; filters and membrane filters for measuring and control apparatus and instruments; fluid analysis kits; filters, filter elements, filter assemblies and membrane filters and parts therefor for laboratory use, especially in the biotechnology field; pore size determinators, filters and ultrasonic testers; filters, filter elements, filter assemblies and membrane filters and parts therefor for scientific, surveying and electrical apparatus and instruments as well as monitoring apparatus and instruments and for measuring and checking apparatus and instruments; fluid measuring, sensing and control devices and parts therefor, including fluid couplings, pressure sensitive valves, flow responsive valves, combined pressure and temperature responsive valves, flow indicators, and gauges and switches; fluid pressure sensing indicators, including differential pressure indicators, and pressure sensitive switches; temperature sensing and control elements; test equipment in the form of bubble point test instruments, pore size determinators, filter test equipment, and ultrasonic testing and cleaning equipment and systems.

Filters, filter elements, filter assemblies and membrane filters and parts therefor for surgical, medical, dental and veterinary apparatus; filters for body fluids; blood filters, intravenous fluid filters; medical gas filters; filters, filter elements, filter assemblies and membrane filters and parts therefor; filters for in vitro diagnostic and biomedical uses; 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; heat and moisture exchangers for use in connection with breathing apparatus.

Filters, filter elements, filter housings, filter assemblies and membrane filters and parts therefor for fluids, lighting, heating, steam generating, cooking, refrigerating, drying, ventilating and water supply apparatus and sanitary installations; fluid pumps, sewage treatment, disposal and water clarification apparatus; demineralizers and water conditioners and valves therefor; filter housings; filter assemblies having relieve valves; filter vortex separators, oil removal filters, fluid pumps for sewage treatment and disposal systems; water clarification apparatus and parts therefor; bag filter housings for industrial liquid cartridges; fluid measuring, sensing and control devices, especially fluid couplings, pressure sensitive valves, flow responsive valves, combined pressure and temperature responsive valves, flow indicators, gauges and switches; fluid sensing indicators, especially differential pressure indicators, pressure sensitive switches; temperature sensing and control elements; filter assemblies including relief valves; woven wire mesh filters, rigidified woven wire mesh filters; coalescers; oil removal filters; water treatment systems, especially demineralizers and water conditioners and valves therefor; porous plastic filters, filters having microporous layers, membrane filters; air conditioning and heating equipment, thermoelectric air conditioning equipment and systems, cooling systems and components therefor; heat exchangers; water clarification apparatus; heat exchangers for industrial and aerospace use; gas transfer and reclamation systems comprising as essential parts tubing and filter elements, especially tubing and filter elements made from metal; components of said gas transfer and reclamation systems.

Porous alloys and metals, especially porous stainless steel, ferrous and non-ferous woven wire mesh sheet material and rigidified woven wire mesh sheet material as aircraft parts.

Paper filters.

Custom manufacture of filters and membrane filters, especially for immuno-diagnostic use.

Fluid analysis services; consulting services in the development and engineering of filtration devices.

Filters, filter elements, filter assemblies and membrane filters and parts therefor for electro-technical apparatus and instruments; filters and membrane filters for measuring and control apparatus and instruments; fluid analysis kits; filters, filter elements, filter assemblies and membrane filters and parts therefor for laboratory use, especially in the biotechnology field; pore size determinators, filters and ultrasonic testers; filters, filter elements, filter assemblies and membrane filters and parts therefor for scientific, surveying and electrical apparatus and instruments as well as monitoring apparatus and instruments and for measuring and checking apparatus and instruments; fluid measuring, sensing and control devices and parts therefor, including fluid couplings, pressure sensitive valves, flow responsive valves, combined pressure and temperature responsive valves, flow indicators, and gauges and switches; fluid pressure sensing indicators, including differential pressure indicators, and pressure sensitive switches; temperature sensing and control elements; test equipment in the form of bubble point test instruments, pore size determinators, filter test equipment, and ultrasonic testing and cleaning equipment and systems.

Filters, filter elements, filter assemblies and membrane filters and parts therefor for surgical, medical, dental and veterinary apparatus; filters for body fluids; blood filters, intravenous fluid filters; medical gas filters; filters, filter elements, filter assemblies and membrane filters and parts therefor; filters for in vitro diagnostic and biomedical uses; 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; heat and moisture exchangers for use in connection with breathing apparatus.

Filters, filter elements, filter housings, filter assemblies and membrane filters and parts therefor for fluids, lighting, heating, steam generating, cooking, refrigerating, drying, ventilating and water supply apparatus and sanitary installations; fluid pumps, sewage treatment, disposal and water clarification apparatus; demineralizers and water conditioners and valves therefor; filter housings; filter assemblies having relieve valves; filter vortex separators, oil removal filters, fluid pumps for sewage treatment and disposal systems; water clarification apparatus and parts therefor; bag filter housings for industrial liquid cartridges; fluid measuring, sensing and control devices, especially fluid couplings, pressure sensitive valves, flow responsive valves, combined pressure and temperature responsive valves, flow indicators, gauges and switches; fluid sensing indicators, especially differential pressure indicators, pressure sensitive switches; temperature sensing and control elements; filter assemblies including relief valves; woven wire mesh filters, rigidified woven wire mesh filters; coalescers; oil removal filters; water treatment systems, especially demineralizers and water conditioners and valves therefor; porous plastic filters, filters having microporous layers, membrane filters; air conditioning and heating equipment, thermoelectric air conditioning equipment and systems, cooling systems and components therefor; heat exchangers; water clarification apparatus; heat exchangers for industrial and aerospace use; gas transfer and reclamation systems comprising as essential parts tubing and filter elements, especially tubing and filter elements made from metal; components of said gas transfer and reclamation systems.

Porous alloys and metals, especially porous stainless steel, ferrous and non-ferous woven wire mesh sheet material and rigidified woven wire mesh sheet material as aircraft parts.

Paper filters.

Custom manufacture of filters and membrane filters, especially for immuno-diagnostic use.

Fluid analysis services; consulting services in the development and engineering of filtration devices.

Filters and membranes for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary installations; filters for use in the aerospace industry; fluid pumps, sewage treatment, disposal and water clarification apparatus; demineralizers and water conditioners and valves therefor; filter elements, filter housings, filter assemblies and parts therefor, filter assemblies having relief valves, filter cartridges; filter manifolds, filter vortex separators, oil removal filters, bag filter housings for industrial liquid cartridges; all included in class 11.

Filters and membranes for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary installations; filters for use in the aerospace industry; fluid pumps, sewage treatment, disposal and water clarification apparatus; demineralizers and water conditioners and valves therefor; filter elements, filter housings, filter assemblies and parts therefor, filter assemblies having relief valves, filter cartridges; filter manifolds, filter vortex separators, oil removal filters, bag filter housings for industrial liquid cartridges; all included in class 11.