Inventor · disambiguated record
William S. Mitchell
Also filed as: MITCHELL WILLIAM S
9 granted patents·2 pending applications·223 citations·filing 1975–2013
89Inventor score
Files withTEKNI PLEX INC5PLASTIC SPECIALTIES & TECH2KOCH SONS GEORGE1MITCHELL WILLIAM S1PRESCISION POROUS PIPE INC1
Top patents by PatentIndex Score
11 records- 0189US7622040B2Fine bubble airlift deviceTEKNI PLEX INC·Filed 2006·Granted Nov 24, 2009·26 cites·23 claims
- 0284US4958770AProcess for making uniform porosity flexible irrigation pipePRESCISION POROUS PIPE INC·Filed 1989·Granted Sep 25, 1990·61 cites·14 claims
- 0379US5811164AAeration pipe and method of making samePLASTIC SPECIALTIES & TECH·Filed 1996·Granted Sep 22, 1998·55 cites·17 claims
- 0478US5811038AMethod of blending components for porous plastic pipe processingPLASTIC SPECIALTIES & TECH·Filed 1996·Granted Sep 22, 1998·42 cites·12 claims
- 0577US7806410B2Damping device for a stationary labyrinth sealUNITED TECHNOLOGIES CORP·Filed 2007·Granted Oct 5, 2010·18 cites·20 claims
- 0671US7934706B2Aeration device for use as a diffuserTEKNI PLEX INC·Filed 2007·Granted May 3, 2011·4 cites·19 claims
- 0770US7954791B2Fine bubble airlift deviceTEKNI PLEX INC·Filed 2007·Granted Jun 7, 2011·5 cites·32 claims
- 0868US8409321B2Method and apparatus for leaching metal from mining oreMITCHELL WILLIAM S·Filed 2010·Granted Apr 2, 2013·1 cites·20 claims
- 0957US2013221586A1Method and apparatus for leaching metal from mining oreTEKNI PLEX INC·Filed 2013·Application pending·0 cites
- 1056US3951775AElectrocoating tank arrangementKOCH SONS GEORGE·Filed 1975·Granted Apr 20, 1976·11 cites·6 claims
- 1152US2011220732A1Fine bubble airlift deviceTEKNI PLEX INC·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →