Manufacture and repair of process control equipment and related products

This Sub-class includes the manufacture and/or repair of process control equipment and/or related products, for instance: •radiation detection and/or monitoring instruments •humidistats •hydronic limit controls •mine detectors, pulse (signal) generators, metal detectors •environmental controls and/or automatic controls for appliances •motion detectors This Sub-class also includes the installation of industrial process control equipment.

•manufacture of telephone answering machines, see 26301 •manufacture of irradiation equipment, see 26602 •manufacture of optical measuring and checking devices and instruments (e.g. fire control equipment, photographic light meters, range finders), see 26709 •manufacture of optical positioning equipment, see 26709 •manufacture of dictating machines, see 28171 •manufacture of levels, tape measures and similar hand tools, machinists’ precision tools, see 28199 •manufacture of medical thermometers, see 32501