An apparatus and a method of determining the presence of an...
An apparatus and a method of measuring erosion of an edge of...
An apparatus and method for inspecting a tubular
An apparatus for determining the position of a movable...
An arrangement for optic measuring of both width and...
An improved structure for a tape measure
An instructional template structure for aiding the...
An inventers dream tape measure
An optical component and wear sensor
An optical device for observing the millimetric or...
An optical device for roughness measurement
An optical proximity sensor for a liquid-jet instrument, and...
An unbalanced fiber optic michelson interferometer as an...
Analysing method and device for automatically sorting...
Angle detection method for bending machine, angle detection...
Angle gage
Angle gauge for grinding sharp-edged tools
Angle indicating caliper
Angle indicating instrument
Angle indicator