Inventor
YANG ZUYIN
US19 patents
⚠️ This page may combine multiple inventors who share the name “YANG ZUYIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BERG LLOYD
11 patentsUS5085739AFeb 4, 1992
Separation of the propyl alcohols from water by azeotropic or extractive distillation
BERG LLOYD28 citations92
US5084142AJan 28, 1992
Separation of tertiary butyl alcohol from water by azeotropic or extractive distillation
BERG LLOYD22 citations92
US5207876AMay 4, 1993
Separation of tetrachloroethylene from the lower alcohols by extractive distillation
BERG LLOYD11 citations74
US5196094AMar 23, 1993
Separation of 1,1,1-trichloroethane from the lower alcohols by extractive distillation
BERG LLOYD7 citations74
US5152876AOct 6, 1992
Separation of methylene chloride from the lower alcohols by extractive distillation
BERG LLOYD9 citations74
US5100514AMar 31, 1992
Separation of pyridine from water by extractive distillation
BERG LLOYD13 citations74
US5092966AMar 3, 1992
Separation of methylene chloride from ethyl ether by extractive distillation
BERG LLOYD10 citations74
US5131985AJul 21, 1992
Separation of chloroform from a lower alcohol by extractive distillation
BERG LLOYD6 citations63
US5124005AJun 23, 1992
Separation of methylene chloride from ethyl vinyl ether by extractive distillation
BERG LLOYD3 citations63
US5304700AApr 19, 1994
Separation of methylene chloride from n-pentane by extractive distillation
BERG LLOYD0 citations52
US5094724AMar 10, 1992
Separation of methylene chloride from the lower formates by extractive distillation
BERG LLOYD0 citations52
PHILIP MORRIS USA INC
7 patentsUS7810505B2Oct 12, 2010
Method of operating a cigarette smoking system
PHILIP MORRIS USA INC143 citations98
US7234470B2Jun 26, 2007
Electromagnetic mechanism for positioning heater blades of an electrically heated cigarette smoking system
PHILIP MORRIS USA INC138 citations98
US7784471B2Aug 31, 2010
Cigarette filter with beaded carbon
PHILIP MORRIS USA INC8 citations84
US7784470B2Aug 31, 2010
Cigarette filter with beaded carbon
PHILIP MORRIS USA INC11 citations83
US10828385B2Nov 10, 2020
Aerosol generator including multi-component wick
PHILIP MORRIS USA INC1 citations73
US12097309B2Sep 24, 2024
Aerosol generator including multi-component wick
PHILIP MORRIS USA INC0 citations62
US7997282B2Aug 16, 2011
Cigarette filter with beaded carbon
PHILIP MORRIS USA INC2 citations62