Inventor · disambiguated record
Richard H. Ferguson
Also filed as: FERGUSON RICHARD · FERGUSON RICHARD H
20 granted patents·2 pending applications·508 citations·filing 1991–2017
95Inventor score
Files withAXIALL OHIO INC6PPG IND OHIO INC6PPG INDUSTRIES INC3SCHLUMBERGER TECHNOLOGY CORP3FERGUSON RICHARD H2
Top patents by PatentIndex Score
22 records- 0196US5384102AChemical feederPPG INDUSTRIES INC·Filed 1993·Granted Jan 24, 1995·152 cites·19 claims
- 0291US6517727B2Method of operating a chemical feederPPG IND OHIO INC·Filed 2001·Granted Feb 11, 2003·49 cites·51 claims
- 0389US6298871B1Chemical feederPPG IND OHIO INC·Filed 2000·Granted Oct 9, 2001·55 cites·38 claims
- 0488US9435192B2Downhole electrochemical sensor and method of using sameSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Sep 6, 2016·14 cites·14 claims
- 0580US10160677B2Chemical feederAXIALL OHIO INC·Filed 2015·Granted Dec 25, 2018·3 cites·23 claims
- 0679US7081232B1Chemical feederPPG IND OHIO INC·Filed 2002·Granted Jul 25, 2006·31 cites·71 claims
- 0776US10400198B2Method of sanitizing a surfaceEAGLE US 2 LLC·Filed 2017·Granted Sep 3, 2019·2 cites·18 claims
- 0873US6138703AChemical feederPPG IND OHIO·Filed 1999·Granted Oct 31, 2000·51 cites·23 claims
- 0972US6998057B2Method for monitoring and controlling chlorine levels in an aqueous mediumPPG IND OHIO INC·Filed 2004·Granted Feb 14, 2006·16 cites·35 claims
- 1071US5662795ASwimming pool chemical dispenserPPG INDUSTRIES INC·Filed 1995·Granted Sep 2, 1997·42 cites·10 claims
- 1168US9260328B2Chemical feederAXIALL OHIO INC·Filed 2014·Granted Feb 16, 2016·0 cites·40 claims
- 1265US5205961AGranular calcium hypochlorite treatment processPPG INDUSTRIES INC·Filed 1991·Granted Apr 27, 1993·23 cites·15 claims
- 1363US2014308371A1Acid Tablet CompositionAXIALL OHIO INC·Filed 2014·Application pending·0 cites
- 1461US6544487B1Chemical feederPPG IND OHIO INC·Filed 1998·Granted Apr 8, 2003·29 cites·20 claims
- 1558US9272249B2Chemical feederAXIALL OHIO INC·Filed 2014·Granted Mar 1, 2016·0 cites·14 claims
- 1656US5960808AMethod of controlling the amount of sanitizing agent in an aqueous mediumPPG IND OHIO INC·Filed 1997·Granted Oct 5, 1999·21 cites·17 claims
- 1756US2015197437A1Chemical FeederAXIALL OHIO INC·Filed 2014·Application pending·0 cites
- 1854USD685081SCalcium hypochlorite tabletFERGUSON RICHARD H·Filed 2011·Granted Jun 25, 2013·13 cites·1 claims
- 1941US10738604B2Method for contamination monitoringSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Aug 11, 2020·0 cites·19 claims
- 2039USD685080SCalcium hypochlorite tabletFERGUSON RICHARD H·Filed 2011·Granted Jun 25, 2013·7 cites·1 claims
- 2136US9540265B2Chemical feederAXIALL OHIO INC·Filed 2015·Granted Jan 10, 2017·0 cites·14 claims
- 2233US10844712B2Devices and methods for measuring analyte concentrationSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Nov 24, 2020·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →