Inventor · disambiguated record
Liwen Wei
Also filed as: WEI LIWEN
16 granted patents·2 pending applications·185 citations·filing 1988–2021
92Inventor score
Top patents by PatentIndex Score
18 records- 0194US6087307APolyether fluids miscible with non-polar hydrocarbon lubricantsMOBIL OIL CORP·Filed 1998·Granted Jul 11, 2000·78 cites·7 claims
- 0291US5741946APolyether lubricants and method for their productionMOBIL OIL CORP·Filed 1996·Granted Apr 21, 1998·56 cites·22 claims
- 0377US8268188B2Synthetic refrigeration oil composition for HFC applicationsWEI LIWEN·Filed 2011·Granted Sep 18, 2012·1 cites·13 claims
- 0477US8043524B2Synthetic refrigeration oil composition for HFC applicationsSHRIEVE CHEMICAL PRODUCTS INC·Filed 2010·Granted Oct 25, 2011·1 cites·21 claims
- 0575US5344578AHydrocarbyl ethers of sulfur-containing hydroxyl derived aromatics as synthetic lubricant base stocksMOBIL OIL CORP·Filed 1992·Granted Sep 6, 1994·20 cites·15 claims
- 0667US5648557APolyether lubricants and method for their productionMOBIL OIL CORP·Filed 1994·Granted Jul 15, 1997·13 cites·5 claims
- 0765US8123974B2Synthetic refrigeration oil composition for HFC applicationsWEI LIWEN·Filed 2007·Granted Feb 28, 2012·1 cites·14 claims
- 0864US8789623B2High performance rock bit greaseDUCKWORTH DAVID P·Filed 2013·Granted Jul 29, 2014·1 cites·19 claims
- 0960US8709276B2Synthetic refrigeration oil composition for HFC applicationsWEI LIWEN·Filed 2012·Granted Apr 29, 2014·0 cites·17 claims
- 1056US12410378B2Methods of making pol yurea powders, gels and greases, and related compositions made therefromWEI LIWEN·Filed 2021·Granted Sep 9, 2025·0 cites·29 claims
- 1154US2011048809A1High performance rock bit greaseDUCKWORTH DAVID P·Filed 2009·Application pending·0 cites
- 1246US5520709AHydrocarbyl ethers of sulfur-containing hydroxyl derived aromatics as synthetic lubricant base stocksMOBIL OIL CORP·Filed 1994·Granted May 28, 1996·5 cites·20 claims
- 1345US2013338049A1novel lignin based compositionKING JAMES·Filed 2011·Application pending·0 cites
- 1443US5368759AEster fluids with high temperature stabilityMOBIL OIL CORP·Filed 1993·Granted Nov 29, 1994·4 cites·12 claims
- 1537US5300274AMethod for making molybdenum and sulfur containing compoundsEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Apr 5, 1994·4 cites·9 claims
- 1634US4954645ADithioacid rhenium sulfide dimer compositionsEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Sep 4, 1990·0 cites·8 claims
- 1731US4997962ASynthesis of tetrathioperrhenate saltsEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Mar 5, 1991·1 cites·10 claims
- 1829US5207937AAmine salts of sulfur-containing alkylated phenols or alkylated naphthols as multifunctional antioxidant and antiwear additivesMOBIL OIL CORP·Filed 1991·Granted May 4, 1993·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →