Progressive cavity pump/motor stator, and apparatus and...

Remotely actuated metal disintegration machining apparatus

Replaceable tool for electrochemical drilling

Safety arrangement for discharge machining device utilizing...

Servo feed system for a wire electrode type electrical...

Servosystem for electrical machining process

Shaping metal articles

Small hole electric discharge machine drill

Small hole electrical discharge machining method and small...

Small-hole electrical discharge machining device and...

Spark erosion machining apparatus

Structure for and method of electroerosion machining

Surface preparation apparatus and method

Syringe needle destruction method and apparatus

Vapor electrolytic material removal method and apparatus

Voltage versus current sensing system

Wire electrode

Wire electrode for electric discharge cutting

Wire electrode for electro-discharge machining and...

Wire electrode for spark erosion cutting