Inventor · disambiguated record
Robert A. Graff
Also filed as: GRAFF ROBERT A · PERRY MARNEY D JR
3 granted patents·109 citations·filing 1977–1986
75Inventor score
Top patents by PatentIndex Score
3 records- 0182US4180391AGas particulate separator with scavenging gas separation devicePERRY EQUIPMENT CORP·Filed 1977·Granted Dec 25, 1979·45 cites·6 claims
- 0272US4778585ATwo-stage pyrolysis of coal for producing liquid hydrocarbon fuelsUNIV CITY·Filed 1986·Granted Oct 18, 1988·36 cites·18 claims
- 0372US4247313AGas-particulate separator with pulse-jet cleanable filter elementsPERRY EQUIPMENT CORP·Filed 1979·Granted Jan 27, 1981·28 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →