Inventor · disambiguated record
John Patrick Ringstrom
Also filed as: RINGSTROM JOHN PATRICK
2 granted patents·1 pending application·25 citations·filing 2004–2013
54Inventor score
Top patents by PatentIndex Score
3 records- 0171US7569137B2Process and apparatus for treating tailingsFORT HILLS ENERGY LP·Filed 2004·Granted Aug 4, 2009·25 cites·16 claims
- 0244US9512363B2Method for extracting bitumen from an oil sand streamSHELL CANADA ENERGY·Filed 2013·Granted Dec 6, 2016·0 cites·11 claims
- 0339US2013220890A1Method for extracting bitumen from an oil sand streamSHELL CANADA ENERGY·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →