Inventor · disambiguated record
John R. Dahlberg
Also filed as: DAHLBERG JOHN R · ORAVITZ JAMES L JR
6 granted patents·137 citations·filing 1976–1988
85Inventor score
Files withPPG INDUSTRIES INC6
Top patents by PatentIndex Score
6 records- 0193US4891054AMethod for cutting hot glassPPG INDUSTRIES INC·Filed 1988·Granted Jan 2, 1990·65 cites·11 claims
- 0272US4196830AMethod of and apparatus for preventing premature severing of scored ribbon edgesPPG INDUSTRIES INC·Filed 1978·Granted Apr 8, 1980·19 cites·14 claims
- 0370US4623296ARobot end effector to transfer shaped partsPPG INDUSTRIES INC·Filed 1984·Granted Nov 18, 1986·20 cites·19 claims
- 0457US4352447AMethod of and apparatus for sideward displacement of sheetsPPG INDUSTRIES INC·Filed 1980·Granted Oct 5, 1982·15 cites·16 claims
- 0551US4225070AMethod of simultaneously opening two scores transverse to one anotherPPG INDUSTRIES INC·Filed 1979·Granted Sep 30, 1980·10 cites·10 claims
- 0646US4084737AOilless fluid for scoring glassPPG INDUSTRIES INC·Filed 1976·Granted Apr 18, 1978·8 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →