Inventor · disambiguated record
John K. Groetzinger
Also filed as: GROETZINGER JOHN K
6 granted patents·118 citations·filing 1983–1994
84Inventor score
Files withPPG INDUSTRIES INC5
Top patents by PatentIndex Score
6 records- 0189US4969942AGlass melter exhaust duct cleaning method and apparatusPPG INDUSTRIES INC·Filed 1990·Granted Nov 13, 1990·46 cites·18 claims
- 0274US4529428AMethod and apparatus for feeding an ablation liquefaction processPPG INDUSTRIES INC·Filed 1983·Granted Jul 16, 1985·22 cites·13 claims
- 0363US4836775AAir cooled rotary kiln collarPPG INDUSTRIES INC·Filed 1988·Granted Jun 6, 1989·15 cites·5 claims
- 0460US4496387ATransition between batch preheating and liquefying stages apparatusPPG INDUSTRIES INC·Filed 1983·Granted Jan 29, 1985·13 cites·9 claims
- 0551US5593585ASpray system for cleaning a filter screenFiled 1994·Granted Jan 14, 1997·19 cites·9 claims
- 0633US4707175AMethod of preheating pulverulent batch materialPPG INDUSTRIES INC·Filed 1985·Granted Nov 17, 1987·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →