Inventor · disambiguated record
Siegfried Grone
Also filed as: GROENE SIEGFRIED · GRONE SIEGFRIED
3 granted patents·3 pending applications·42 citations·filing 1977–2011
70Inventor score
Top patents by PatentIndex Score
6 records- 0173US4084419AMethod for manufacturing annular metal workpiecesTHYSSEN INDUSTRIE·Filed 1977·Granted Apr 18, 1978·28 cites·4 claims
- 0256US6103159AMethod for preventing material to be briquetted from sticking to a roll surfaceKOEPPERN & CO KG MASCHF·Filed 1998·Granted Aug 15, 2000·11 cites·32 claims
- 0334US2011302980A1Charging device for a bush expander for punched bush blanks made of steel, for example, and method for forging punched bush blanksGROENE SIEGFRIED·Filed 2011·Application pending·0 cites
- 0434US2002038563A1Forming equipment for rolling and profiling disk-shaped and ring-shaped partsFiled 2001·Application pending·0 cites
- 0533US2011083486A1Bush widening apparatus and process for forging a bush blankBIERHALTER PETER·Filed 2008·Application pending·0 cites
- 0630US4611751AMethod and apparatus for the manufacture of cylindrical hollow bodiesTHYSSEN AG·Filed 1984·Granted Sep 16, 1986·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →