Inventor
DELPRETTI ROGER
CH11 patents
⚠️ This page may combine multiple inventors who share the name “DELPRETTI ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHARMILLES SA ATELIERS
6 patentsUS4367390AJan 4, 1983
Device for passing an electric current between an electrode workpiece and an electrode tool
CHARMILLES SA ATELIERS103 citations95
US3943322AMar 9, 1976
Wire electro-erosion machining apparatus
CHARMILLES SA ATELIERS25 citations78
US4262185AApr 14, 1981
EDM Process and apparatus for machining a workpiece by means of a wire electrode
CHARMILLES SA ATELIERS8 citations72
US4242555ADec 30, 1980
Process and apparatus for eliminating short circuits in electrical discharge machining
CHARMILLES SA ATELIERS13 citations72
US4461942AJul 24, 1984
Apparatus for orienting the wire electrode support and guide member and the machining fluid nozzle of a travelling wire EDM apparatus
CHARMILLES SA ATELIERS4 citations61
US4306136ADec 15, 1981
Process and apparatus for eliminating short circuits in electrical discharge machining
CHARMILLES SA ATELIERS6 citations61
CHARMILLES TECHNOLOGIES
4 patentsUS6642470B2Nov 4, 2003
Process and device for machining a three-dimensional piece by electroerosive milling
CHARMILLES TECHNOLOGIES15 citations82
US5475195ADec 12, 1995
Anti-corrosion device for electrical discharge machining
CHARMILLES TECHNOLOGIES10 citations72
US4773030ASep 20, 1988
Method and apparatus for determining the deviation of an electrode wire in a travelling wire EDM apparatus
CHARMILLES TECHNOLOGIES5 citations61
US4623772ANov 18, 1986
Apparatus and method for EDM polishing
CHARMILLES TECHNOLOGIES4 citations53