Inventor · disambiguated record
Walter Wetzels
Also filed as: WETZELS WALTER
11 granted patents·103 citations·filing 1974–1996
90Inventor score
Top patents by PatentIndex Score
11 records- 0173US4063906AMethod for grinding elongated cylindrical workpieces which are advanced during the grinding operation while being rotated about the longitudinal axis thereofSCHUMAG SCHUMACHER METALLWERKE·Filed 1976·Granted Dec 20, 1977·14 cites·16 claims
- 0261US4441280ADevice for centerless grinding of rotation-symmetrical surfaces on work piecesSCHUMAG GMBH·Filed 1980·Granted Apr 10, 1984·14 cites·13 claims
- 0353US4112625ADevice for grinding elongated cylindrical workpiecesSCHUMAG SCHUMACHER METALLWERKE·Filed 1977·Granted Sep 12, 1978·7 cites·3 claims
- 0452US5533376AMethod for preparing a tubular blank having a thick wall for a following cascade drawing operationSCHUMAG AG·Filed 1994·Granted Jul 9, 1996·20 cites·17 claims
- 0552US4243862AArc cutting device with mechanical material removalSCHUMAG GMBH·Filed 1978·Granted Jan 6, 1981·9 cites·23 claims
- 0649US5782121AApparatus for the inner profiling of tubes or pipesSCHUMAG AG·Filed 1996·Granted Jul 21, 1998·15 cites·10 claims
- 0747US4356715AMethod and device for straightening elongated drawn round stockSCHUMAG GMBH·Filed 1980·Granted Nov 2, 1982·11 cites·37 claims
- 0835US3945284AParting tool for severing traveling elongated material into predetermined lengthsSCHUMAG SCHUMACHER METALLWERKE·Filed 1975·Granted Mar 23, 1976·5 cites·11 claims
- 0935US3943743AMethod and apparatus for controlling with increased accuracy a processing machine driven at varying operating speeds, such as a slide drawing machine, especially, as well as the slide drawing machine per se and auxiliary deviceSCHUMAG SCHUMACHER METALLWERKE·Filed 1974·Granted Mar 16, 1976·5 cites·14 claims
- 1029US5524467AMethod for the inner profiling of tubes or pipesSCHUMAG AG·Filed 1994·Granted Jun 11, 1996·2 cites·7 claims
- 1124US3999455AMethod and apparatus for controlling with increased accuracy a processing machine driven at varying operating speeds, such as a slide drawing machine, especially, as well as the slide drawing machine per se and auxiliary devicesSCHUMAG SCHUMACHER METALLWERKE·Filed 1975·Granted Dec 28, 1976·1 cites·15 claims
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