Inventor · disambiguated record
Wilhelm Zimmermann
Also filed as: ZIMMERMANN WILHELM
4 granted patents·61 citations·filing 1981–1998
77Inventor score
Top patents by PatentIndex Score
4 records- 0173US6038901AMethod and device for producing press-rolled pipes with inner wall thickenings at the endsDYNAMIT NOBEL AG·Filed 1996·Granted Mar 21, 2000·25 cites·6 claims
- 0255US6253589B1Flow-turning device and method for producing internally geared wheels using two sets of internal toothingDYNAMIT NOBEL AG·Filed 1998·Granted Jul 3, 2001·19 cites·8 claims
- 0349US6295854B1Device and method for moulding a grooved structure into a tubular workpieceDYNAMIT NOBEL AG·Filed 1998·Granted Oct 2, 2001·15 cites·8 claims
- 0426US4411113APrefabricated aeration block for silo basesPETERS AG CLAUDIUS·Filed 1981·Granted Oct 25, 1983·2 cites·4 claims
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