Inventor · disambiguated record
Donald A. Thorssen
Also filed as: THORSSEN DONALD A
4 granted patents·46 citations·filing 1991–1998
75Inventor score
Top patents by PatentIndex Score
4 records- 0157US5207953AFire retarded solventsTRISOL INC·Filed 1991·Granted May 4, 1993·18 cites·13 claims
- 0240US6032747AWater-based drilling fluid deacidification process and apparatusUNDERBALANCED DRILLING SYSTEMS·Filed 1998·Granted Mar 7, 2000·22 cites·21 claims
- 0340US5795850AOil and gas well operation fluid used for the solvation of waxes and asphaltenes, and method of use thereofTRYSOL LTD·Filed 1996·Granted Aug 18, 1998·5 cites·21 claims
- 0429US5902775AOil and gas well operation fluid used for the solvation of waxes and asphaltenes, and method of use thereofTRYSOL LTD·Filed 1998·Granted May 11, 1999·1 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →