Inventor · disambiguated record
Donald J. Wrobel
Also filed as: WROBEL DONALD J
4 granted patents·1 pending application·55 citations·filing 1990–2007
76Inventor score
Top patents by PatentIndex Score
5 records- 0178US6454278B1Counter centrifugal power chuck assemblyFiled 2000·Granted Sep 24, 2002·29 cites·13 claims
- 0251US5052700ACompensating and/or centralizing grip chuckSHEFFER COLLET CO·Filed 1990·Granted Oct 1, 1991·17 cites·15 claims
- 0332US5143687ARapid change wedge chuck with positive lockSHEFFER COLLET CO·Filed 1991·Granted Sep 1, 1992·6 cites·10 claims
- 0430US2007228674A1Chuck assemblyWROBEL DONALD J·Filed 2007·Application pending·0 cites
- 0522US5139277ARapidly convertible chuck adaptersHOWARD CARL J·Filed 1991·Granted Aug 18, 1992·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →