Inventor · disambiguated record
Jack J. Dewald
Also filed as: DEWALD JACK J
5 granted patents·107 citations·filing 1979–2003
82Inventor score
Files withDEWALD JACK JAMES4
Top patents by PatentIndex Score
5 records- 0187US6936179B2Method and apparatus for adding oxygen to drinking waterFiled 2003·Granted Aug 30, 2005·49 cites·16 claims
- 0274US4976210AMethod and apparatus for treating hazardous waste materialsDEWALD JACK JAMES·Filed 1990·Granted Dec 11, 1990·25 cites·25 claims
- 0349US4520994ASub-surface safety gate valveDEWALD JACK JAMES·Filed 1983·Granted Jun 4, 1985·14 cites·10 claims
- 0447US4392631ASub-surface safety gate valveDEWALD JACK JAMES·Filed 1979·Granted Jul 12, 1983·10 cites·15 claims
- 0541US4522258AUnitized well testing apparatus for use in hostile environmentsDEWALD JACK JAMES·Filed 1982·Granted Jun 11, 1985·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →