NGK

Honeycomb structure adsorbent filters for absorbing machines for chemical processing to capture carbon dioxide from the air; honeycomb structure adsorbent filters for separating machines for chemical processing to capture carbon dioxide from the air; honeycomb structure adsorbent filters for chemical processing machines and apparatus; filters made of ceramics for carbon dioxide adsorption devices being parts of machines, engines or motors; chemical processing machines and apparatus; gas recovery devices being parts of machines; gas recovery devices for petroleum refining equipment and other chemical machinery and instruments, and their parts and accessories; gas separation membrane filters being parts of machines; gas separation membrane filters for petroleum refining equipment and other chemical machinery and instruments; gas recovery devices for oil extraction machines, and their parts and accessories; gas separation membrane filters for oil extraction machines; ceramic membrane filters for use as parts of machines; ceramic membranes for oil extraction machines; ceramic membrane filters being parts of machines for recovering specific gases from associated gas during oil refining; ceramic membrane filters for gas recovery devices used in oil extraction equipment; non-electric prime movers, not for land vehicles, other than water mills and wind mills; parts of non-electric prime movers, other than water mills and wind mills.

Gas purification and refining equipment, and their parts and accessories; devices for separating and recovering carbon dioxide and other gases from exhaust gases generated by boilers, industrial furnaces, and commercial incinerators; gas recovery devices for gas refining equipment, and their parts and accessories; gas recovery devices for sewage treatment equipment and sewage sludge treatment equipment, and their parts and accessories; natural gas purification and refining equipment, and their parts and accessories; gas purification devices; gas purification devices incorporating gas generating equipment; gas separation membrane filters for gas purification and refining equipment; gas separation membranes for gas purification and refining equipment; gas separation membrane filters for devices used to separate and recover carbon dioxide and other gases from exhaust gases generated by boilers, industrial furnaces, and commercial incinerators; gas separation membrane filters for gas recovery devices used in gas refining equipment; gas separation membrane filters for gas recovery devices used in sewage treatment equipment and sewage sludge treatment equipment; ceramic membranes for separating and removing specific gases in the natural gas refining process; drying apparatus for chemical processing; recuperators for chemical processing; steamers for chemical processing; evaporators for chemical processing; distillers for chemical processing; heat exchangers for chemical processing; gas recovery devices, their parts and accessories; filters made of ceramics for carbon dioxide adsorption devices for purifying air.