Inventor · disambiguated record
Douglas Macgregor
Also filed as: MACGREGOR DOUGLAS · MACGREGOR DOUGLAS ROBERT
9 granted patents·215 citations·filing 1975–2006
90Inventor score
Files withMACGREGOR DOUGLAS4LION CAPITAL LTD2AUTOSKILL INTERNAT INC1SAYLER WILLIAM H1UNIV STRATHCLYDE1
Top patents by PatentIndex Score
9 records- 0184US4948514AMethod and apparatus for separating ions from liquids to produce separate diluted and concentrated effluentsLION CAPITAL LTD·Filed 1988·Granted Aug 14, 1990·52 cites·16 claims
- 0277US5178595AWalking device to assist those with an injury to a lower limbMACGREGOR DOUGLAS·Filed 1992·Granted Jan 12, 1993·63 cites·19 claims
- 0372US8439684B2Method of teaching readingMACGREGOR DOUGLAS·Filed 2006·Granted May 14, 2013·5 cites·18 claims
- 0468US6544039B2Method of teaching readingAUTOSKILL INTERNAT INC·Filed 2000·Granted Apr 8, 2003·21 cites·32 claims
- 0567US5061376AMethod for separating ions from liquidsLION CAPITAL LTD·Filed 1990·Granted Oct 29, 1991·33 cites·4 claims
- 0653US6996554B2Database processorUNIV STRATHCLYDE·Filed 2002·Granted Feb 7, 2006·8 cites·9 claims
- 0749US4350042ATime-depth integratorMACGREGOR DOUGLAS·Filed 1981·Granted Sep 21, 1982·9 cites·8 claims
- 0848US4011303AProcess for desulfurizing sulfur-bearing cokeSAYLER WILLIAM H·Filed 1975·Granted Mar 8, 1977·11 cites·6 claims
- 0943US5047074APurging of nitrogen from natural gasMACGREGOR DOUGLAS·Filed 1989·Granted Sep 10, 1991·13 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →