Inventor · disambiguated record
David R. Sjogren
Also filed as: SJOGREN DAVID · SJOGREN DAVID R
4 granted patents·1 pending application·36 citations·filing 2005–2010
75Inventor score
Top patents by PatentIndex Score
5 records- 0185US7892571B2Controlled release of S-methoprene and other active ingredients with activated carbonWELLMARK INTERNAT·Filed 2005·Granted Feb 22, 2011·6 cites·29 claims
- 0284US7837988B2Sustained release microbial insect control composition and meansB2E MICROBIALS LLC·Filed 2005·Granted Nov 23, 2010·8 cites·13 claims
- 0382US8187618B2Sustained release microbial insect control composition and meansSJOGREN ROBERT D·Filed 2010·Granted May 29, 2012·3 cites·7 claims
- 0481US7726913B1Method and apparatus for forming in ground pilesSJOGREN DAVID·Filed 2007·Granted Jun 1, 2010·19 cites·20 claims
- 0545US2006188535A1Method of controlling aquatic insectsSJOGREN ROBERT D·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →