Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LB

Lloyd Berg

UNUnknown: 131 patents #2 of 83,584Top 1%
CGCelanese Gmbh: 1 patents #216 of 478Top 50%
GLGlitsch: 1 patents #26 of 36Top 75%
UEUS Dept of Energy: 1 patents #1,355 of 5,099Top 30%
Bozeman, MT: #1 of 740 inventorsTop 1%
Montana: #2 of 3,198 inventorsTop 1%
Overall (All Time): #2,011 of 4,157,543Top 1%
249 Patents All Time

Issued Patents All Time

Showing 76–100 of 249 patents

Patent #TitleCo-InventorsDate
5407542 Separation of 3-methyl-2-butanol from 1-butanol by azeotropic distillation 1995-04-18
5407541 Separation of 3-methyl-2-butanol from 2-pentanol by azeotropic distillation 1995-04-18
5405505 Separation of benzene from close boiling hydrocarbons by azeotropic distillation 1995-04-11
5405504 Separation of 1-decene from 2-octanone by azeotropic distillation Randy W. Wytcherley 1995-04-11
5403448 Separation of 1-decene from 2-octanone by azeotropic distillation 1995-04-04
5401366 Separation of 1-butanol from 2-pentanol by extractive distillation 1995-03-28
5399244 Process to recover benzene from mixed hydrocarbons by extractive distillation Joseph C. Gentry, John McIntyre, Randa W. Wytcherley 1995-03-21
5397441 Separation of ethyl benzene from o-xylene by extractive distillation 1995-03-14
5393385 Separation of hexane from vinyl acetate and methyl acrylate by extractive distillation Randi W. Wytcherley 1995-02-28
5391264 Separation of alpha-Phellandrene from d-limonene by azeotropic distillation 1995-02-21
5385649 Separation of 1-hexene from hexane by azeotropic distillation 1995-01-31
5382329 Separation of 1-decene from decane by azeotropic distillation 1995-01-17
5382330 Separation of 1-octene from octane by azeotropic distillation 1995-01-17
5380405 Separation of alpha-phellandrene from 3-carene by azeotropic distillation 1995-01-10
5360520 Separation of 2-butanol from t-amyl alcohol by extractive distillation 1994-11-01
5358608 Separation of 1-propanol from 2-butanol by extractive distillation 1994-10-25
5348625 Separation of ethanol from isopropanol by extractive distillation 1994-09-20
5338411 Separation of ethanol from isopropanol by azeotropic distillation 1994-08-16
5338410 Separation of 2-butanol from t-amyl alcohol by azeotropic distillation 1994-08-16
5334253 Solution of certain five and six carbon atom carbohydrates 1994-08-02
5332478 Separation of 1-propanol from 2-butanol by azeotropic distillation 1994-07-26
5320715 Separation of 1-pentanol from cyclopentanol by extractive distillation 1994-06-14
5304700 Separation of methylene chloride from n-pentane by extractive distillation Zuyin Yang 1994-04-19
5277766 Separation of n-heptane from vinyl acetate by extractive distillation 1994-01-11
5264086 Separation of formic acid from acetic acid by azeotropic distillation Randi W. Wytcherley 1993-11-23