Inventor · disambiguated record
Douglas K. Feenstra
Also filed as: FEENSTRA DOUGLAS K
5 granted patents·1 pending application·45 citations·filing 2006–2012
76Inventor score
Top patents by PatentIndex Score
6 records- 0193US8385730B2Air care unit allowing for customization of fragrance strength and characterACCESS BUSINESS GROUP INT LLC·Filed 2009·Granted Feb 26, 2013·32 cites·20 claims
- 0285US8057830B2Cleansing compositions and methods of reducing skin irritationBRUMBAUGH ERNEST H·Filed 2006·Granted Nov 15, 2011·7 cites·13 claims
- 0377US7781387B2Automatic phosphate-free dishwashing detergent providing improved spotting and filming performanceACCESS BUSINESS GROUP INT LLC·Filed 2008·Granted Aug 24, 2010·5 cites·9 claims
- 0469US8343904B2Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performanceACCESS BUSINESS GROUP INT LLC·Filed 2010·Granted Jan 1, 2013·1 cites·11 claims
- 0558US8454757B2Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performanceACCESS BUSINESS GROUP INT LLC·Filed 2012·Granted Jun 4, 2013·0 cites·14 claims
- 0642US2007224154A1Methods of reducing skin irritationACCESS BUSINESS GROUP INT LLC·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →