Inventor · disambiguated record
John J. Spiwak
Also filed as: SPIWAK JOHN J
7 granted patents·151 citations·filing 1973–1977
87Inventor score
Files withASHLAND OIL INC7
Top patents by PatentIndex Score
7 records- 0188US3930872ABinder compositionsASHLAND OIL INC·Filed 1973·Granted Jan 6, 1976·46 cites·26 claims
- 0283US4001468AMethod for coating sand cores and sand moldsASHLAND OIL INC·Filed 1975·Granted Jan 4, 1977·21 cites·2 claims
- 0377US4096293AMold and core washASHLAND OIL INC·Filed 1977·Granted Jun 20, 1978·17 cites·10 claims
- 0476US3968828AMethod of casting non-ferrous alloysASHLAND OIL INC·Filed 1975·Granted Jul 13, 1976·15 cites·18 claims
- 0573US4089692ASettable composition containing aluminum phosphate and method for preparing sameASHLAND OIL INC·Filed 1975·Granted May 16, 1978·25 cites·34 claims
- 0663US4070195AProcess for fabricating foundry shapesASHLAND OIL INC·Filed 1976·Granted Jan 24, 1978·10 cites·4 claims
- 0762US4226626ABinder composition containing alcoholASHLAND OIL INC·Filed 1977·Granted Oct 7, 1980·17 cites·47 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →