Inventor · disambiguated record
Douglas R. Mcpherson
Also filed as: MCPHERSON DOUGLAS · MCPHERSON DOUGLAS R
11 granted patents·129 citations·filing 1989–2013
89Inventor score
Top patents by PatentIndex Score
11 records- 0179US6126786AApparatus and method of generating stock turbulence in a fourdrinier forming sectionFiled 1999·Granted Oct 3, 2000·34 cites·50 claims
- 0276US7578906B2Headbox and stock delivery system for a papermaking machineASTENJOHNSON INC·Filed 2007·Granted Aug 25, 2009·9 cites·18 claims
- 0375US7918969B2Composite construction for dewatering blades for a papermaking machineASTENJOHNSON INC·Filed 2007·Granted Apr 5, 2011·5 cites·16 claims
- 0473US5080760APressurized forming boardJWI LTD·Filed 1991·Granted Jan 14, 1992·27 cites·23 claims
- 0571US5011577APressure control forming sectionJWI LTD·Filed 1989·Granted Apr 30, 1991·26 cites·28 claims
- 0669US6361657B2Twin fabric forming section blade mountingFiled 2001·Granted Mar 26, 2002·8 cites·23 claims
- 0766US5630910AClip fastener for a dewatering boxJWI LTD·Filed 1995·Granted May 20, 1997·18 cites·25 claims
- 0854US7540943B2Shaped slot vacuum dewatering box coverASTENJOHNSON INC·Filed 2004·Granted Jun 2, 2009·2 cites·27 claims
- 0941US9708766B2Cover device for a drainage apparatus for a papermaking machinePAPERCHINE INC·Filed 2013·Granted Jul 18, 2017·0 cites·12 claims
- 1039US8097122B2Papermaking machine dewatering blade incorporating attachment mechanismMCPHERSON DOUGLAS R·Filed 2008·Granted Jan 17, 2012·0 cites·29 claims
- 1134US9404588B2Vacuum control valve for vacuum drainage systemMCPHERSON DOUGLAS R·Filed 2011·Granted Aug 2, 2016·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →