Inventor · disambiguated record
Robert D. Sjogren
Also filed as: SJOGREN ROBERT D
7 granted patents·1 pending application·171 citations·filing 1985–2010
87Inventor score
Files withSJOGREN ROBERT D3METROPOLITAN MOSQUITO CONTROL2B2E MICROBIALS LLC1MERDIAN L L C1WELLMARK INTERNAT1
Top patents by PatentIndex Score
8 records- 0190US4971796ASlow release pest control granule compositionSJOGREN ROBERT D·Filed 1988·Granted Nov 20, 1990·63 cites·69 claims
- 0286US4732762ATimed release pest control composition and meansMETROPOLITAN MOSQUITO CONTROL·Filed 1985·Granted Mar 22, 1988·42 cites·23 claims
- 0385US7892571B2Controlled release of S-methoprene and other active ingredients with activated carbonWELLMARK INTERNAT·Filed 2005·Granted Feb 22, 2011·6 cites·29 claims
- 0484US7837988B2Sustained release microbial insect control composition and meansB2E MICROBIALS LLC·Filed 2005·Granted Nov 23, 2010·8 cites·13 claims
- 0582US8187618B2Sustained release microbial insect control composition and meansSJOGREN ROBERT D·Filed 2010·Granted May 29, 2012·3 cites·7 claims
- 0678US5484600AInsecticidal composite timed released particleMERDIAN L L C·Filed 1995·Granted Jan 16, 1996·34 cites·46 claims
- 0770US4670039ATimed release fertilizer composition and meansMETROPOLITAN MOSQUITO CONTROL·Filed 1986·Granted Jun 2, 1987·15 cites·23 claims
- 0845US2006188535A1Method 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 →