Inventor · disambiguated record
Norman L. Steffens
Also filed as: STEFFENS NORMAN L
3 granted patents·82 citations·filing 1990–2001
72Inventor score
Technology areasB29C
Top patents by PatentIndex Score
3 records- 0184US5035605ANozzle shut-off valve for an injection molding machineCINCINNATI MILACRON INC·Filed 1990·Granted Jul 30, 1991·69 cites·25 claims
- 0259US6471904B2Method for electrically operated plastics injectionUNILOY MILACRON U S A INC·Filed 2001·Granted Oct 29, 2002·4 cites·6 claims
- 0345US6193499B1Electrically operated injection apparatusCINCINNATI MILACRON INC·Filed 1999·Granted Feb 27, 2001·9 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →