Inventor · disambiguated record
Johann Greven
Also filed as: GREVEN JOHANN
6 granted patents·24 citations·filing 1974–1977
79Inventor score
Top patents by PatentIndex Score
6 records- 0140US4162642AEccentric cutters for longitudinally severing elongated material to be drawnSCHUMAG GMBH·Filed 1977·Granted Jul 31, 1979·7 cites·9 claims
- 0235US4182150ACarriage drawing machine for uniformly drawing and longitudinally severing elongated material to be drawnSCHUMAG SCHUMACHER METALLWERKE·Filed 1977·Granted Jan 8, 1980·3 cites·2 claims
- 0335US4112730ACarriage drawing machine for uniformly drawing elongated material to be drawnSCHUMAG SCHUMACHER METALLWERKE·Filed 1977·Granted Sep 12, 1978·3 cites·14 claims
- 0435US3945284AParting tool for severing traveling elongated material into predetermined lengthsSCHUMAG SCHUMACHER METALLWERKE·Filed 1975·Granted Mar 23, 1976·5 cites·11 claims
- 0535US3943743AMethod 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
- 0624US3999455AMethod 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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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →