Inventor · disambiguated record
John W. Campbell
Also filed as: CAMPBELL JOHN · CAMPBELL JOHN D · CAMPBELL JOHN P · CAMPBELL JOHN ROSS
21 granted patents·4 pending applications·419 citations·filing 1977–2024
95Inventor score
Files withCAMPBELL JOHN W3LOOP A LINE INC3BABCOCK POWER LTD2BIG FISH ENVIRONMENTAL LLC2JESSUP MFG COMPANY2
Top patents by PatentIndex Score
25 records- 0190US11866609B2Optically clear adhesives containing a trialkyl borane complex initiator and photoacid3M INNOVATIVE PROPERTIES COMPANY·Filed 2018·Granted Jan 9, 2024·2 cites·19 claims
- 0289US5969237AMeasurement and control of asphaltene agglomeration in hydrocarbon LiquidsBAKER HUGHES INC·Filed 1997·Granted Oct 19, 1999·77 cites·20 claims
- 0383US4891508APrecision infrared position detector apparatus for touch screen systemHEWLETT PACKARD CO·Filed 1988·Granted Jan 2, 1990·52 cites·14 claims
- 0482US9267413B2Exhaust system for an agricultural vehicleCNH AMERICA LLC·Filed 2013·Granted Feb 23, 2016·6 cites·11 claims
- 0579US4328594AProsthetic footCAMPBELL JOHN W·Filed 1980·Granted May 11, 1982·119 cites·19 claims
- 0674US4387577ABoilersBABCOCK POWER LTD·Filed 1980·Granted Jun 14, 1983·26 cites·12 claims
- 0761US7794597B2Treatment of waste mixture containing liquids and solidsBIG FISH ENVIRONMENTAL LLC·Filed 2008·Granted Sep 14, 2010·0 cites·8 claims
- 0860US7935251B2Waste treatment apparatusBIG FISH ENVIRONMENTAL LLC·Filed 2010·Granted May 3, 2011·1 cites·20 claims
- 0960US5054727ARapid rackerRAPID RACKER SYSTEMS·Filed 1989·Granted Oct 8, 1991·29 cites·25 claims
- 1060US2007209747A1Photoluminescent Adhesive, Signs, Using Photoluminescent Adhesives and Method of Making a Photoluminescent AdhesiveJESSUP MFG COMPANY·Filed 2007·Application pending·0 cites
- 1157US4357907AFluidized bed combustor with improved indirect heat exchanger unitsROCKWELL INTERNATIONAL CORP·Filed 1980·Granted Nov 9, 1982·16 cites·10 claims
- 1256US4920686ASide stepper worms with rattle and sinkerLOOP A LINE INC·Filed 1989·Granted May 1, 1990·16 cites·33 claims
- 1355US6945096B1Measurement and control of asphaltene agglomeration in hydrocarbon liquidsUNIV LEEDS·Filed 1998·Granted Sep 20, 2005·14 cites·22 claims
- 1454US2005102871A1Photoluminescent adhesive, signs using photoluminescent adhesives and method of making a photoluminescent adhesiveJESSUP MFG COMPANY·Filed 2004·Application pending·0 cites
- 1551US4377072ACeramic heat exchange module and apparatus and process utilizing sameROCKWELL INTERNATIONAL CORP·Filed 1980·Granted Mar 22, 1983·12 cites·20 claims
- 1647US4512412ASwinging fire apparatus pump operator panelCAMPBELL JOHN W·Filed 1983·Granted Apr 23, 1985·12 cites·6 claims
- 1743US2002046576A1Laminated glass panelsFiled 2001·Application pending·0 cites
- 1843US2007176035A1Rotary motion control deviceCAMPBELL JOHN P·Filed 2006·Application pending·0 cites
- 1941US4873783ASide stepper worms with hook pocketLOOP A LINE INC·Filed 1989·Granted Oct 17, 1989·9 cites·23 claims
- 2041US4862628ASide stepper wormsLOOP A LINE INC·Filed 1989·Granted Sep 5, 1989·9 cites·30 claims
- 2136USD1103174SIT rack enclosure doorIBM·Filed 2024·Granted Nov 25, 2025·0 cites·1 claims
- 2236US6687660B2Hydrocarbon reservoir testingKEPLER RES & DEV LTD·Filed 2001·Granted Feb 3, 2004·5 cites·17 claims
- 2334US4214398AFishhookCAMPBELL JOHN W·Filed 1977·Granted Jul 29, 1980·8 cites·3 claims
- 2434US4129098AFluidized bedsBABCOCK & WILCOX LTD·Filed 1977·Granted Dec 12, 1978·3 cites·8 claims
- 2533US4612958ABoiler safety valve installationsBABCOCK POWER LTD·Filed 1984·Granted Sep 23, 1986·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →