Inventor · disambiguated record
Joe D. Walk
Also filed as: GRUTSCH JAMES F · WALK JOE D
3 granted patents·136 citations·filing 1977–1977
76Inventor score
Files withSTANDARD OIL CO INDIANA3
Top patents by PatentIndex Score
3 records- 0187US4274968AProcess for the purification of waterSTANDARD OIL CO INDIANA·Filed 1977·Granted Jun 23, 1981·55 cites·26 claims
- 0282US4168228AWaste water purificationSTANDARD OIL CO INDIANA·Filed 1977·Granted Sep 18, 1979·38 cites·22 claims
- 0381US4172781AWaste water process for treatment of strong wastesSTANDARD OIL CO INDIANA·Filed 1977·Granted Oct 30, 1979·43 cites·37 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →