Inventor · disambiguated record
Torstein Obrestad
Also filed as: OBRESTAD TORSTEIN
14 granted patents·60 citations·filing 1985–2022
89Inventor score
Top patents by PatentIndex Score
14 records- 0174US12103896B2Calcium nitrate and potassium nitrate fertiliser particlesYARA INT ASA·Filed 2022·Granted Oct 1, 2024·0 cites·11 claims
- 0271US10294170B2Conditioning agent for a particulate fertilizer for reducing hygroscopicity and dust formationYARA INT ASA·Filed 2015·Granted May 21, 2019·1 cites·19 claims
- 0362US11485689B2Calcium nitrate and potassium nitrate fertiliser particlesYARA INT ASA·Filed 2018·Granted Nov 1, 2022·0 cites·5 claims
- 0461US9932509B2Use of a calcium potassium nitrate salt for the manufacture of a heat transfer fluidYARA INT ASA·Filed 2013·Granted Apr 3, 2018·1 cites·13 claims
- 0557US7500995B2Method for production of nitrate-containing products from undercooling meltsYARA INT ASA·Filed 2002·Granted Mar 10, 2009·2 cites·11 claims
- 0657US5603745AAgricultural composition and conditioning agent for reducing hygroscopicity and dust formation of fertilizersNORSK HYDRO AS·Filed 1995·Granted Feb 18, 1997·24 cites·10 claims
- 0752US10118867B2Fertiliser coating containing micronutrientsYARA UK LTD·Filed 2018·Granted Nov 6, 2018·0 cites·9 claims
- 0845US6176892B1Method for making nitrogen-potassium fertilizer containing calcium nitrate and products thereofNORSK HYDRO AS·Filed 1996·Granted Jan 23, 2001·8 cites·8 claims
- 0944US9994492B2Fertiliser coating containing micronutrientsYARA UK LTD·Filed 2014·Granted Jun 12, 2018·0 cites·24 claims
- 1044US6610267B1Method for manufacturing a calcium nitrate melt and product thereofNORSK HYDRO AS·Filed 1999·Granted Aug 26, 2003·7 cites·11 claims
- 1143US9908787B2Method for producing anhydrous calcium nitrate powderYARA INT ASA·Filed 2015·Granted Mar 6, 2018·0 cites·8 claims
- 1241US5472530AMethod of manufacturing free-flowing ammonium nitrate particles applying an anticaking agentNORSK HYDRO AS·Filed 1993·Granted Dec 5, 1995·7 cites·8 claims
- 1339US4713108ANPK complex fertilizerNORSK HYDRO AS·Filed 1985·Granted Dec 15, 1987·5 cites·3 claims
- 1433US6171358B1Calcium nitrate based fertilizerNORSK HYDRO AS·Filed 1997·Granted Jan 9, 2001·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →