Pfau; Jean

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pfau; Jean.The latest application filed is for "travelling wire edm apparatus".

Company Profile

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Pfau; Jean - Collonge-Bellerive CH
Pfau; Jean - Geneva CH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
Travelling wire EDM apparatus Grant 4,363,949 - Pfau , et al. December 14, 1	1982-12-14
Wire electrode for cutting an electrode workpiece by electrical discharges Grant 4,341,939 - Briffod , et al. July 27, 1	1982-07-27
EDM Process and apparatus for machining cavities and slots in a workpiece Grant 4,310,742 - Pfau January 12, 1	1982-01-12
Electrode for electrical discharge machining Grant 4,287,404 - Convers , et al. September 1, 1	1981-09-01
Apparatus and method for controlling the intermittent retraction of the electrode tool in an EDM machine Grant 4,185,184 - Pfau January 22, 1	1980-01-22
Method of machining by erosive electrical discharges Grant 4,057,703 - Pfau November 8, 1	1977-11-08
Process and apparatus for electro-erosion machining by electrical discharges employing variable cut-off time intervals between pulse trains and/or pulse trains of variable durations Grant 3,943,321 - Pfau , et al. March 9, 1	1976-03-09
Apparatus for machining through varying-frequency constant-duration pulse-controlled electric discharges Grant 3,916,138 - Pfau October 28, 1	1975-10-28
Process for checking and adjusting the operation of an electro-erosion machining apparatus Grant 3,912,898 - Pfau , et al. October 14, 1	1975-10-14
Pulse Generator For Edm Machine Grant 3,832,510 - Pfau , et al. August 27, 1	1974-08-27
Electro-erosion Machining Apparatus Grant 3,739,135 - Pfau , et al. June 12, 1	1973-06-12

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