Inventor
LI ALFRED C
US30 patents
⚠️ This page may combine multiple inventors who share the name “LI ALFRED C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED STATES GYPSUM CO
19 patentsUS10421250B2Sep 24, 2019
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO12 citations90
US9296124B2Mar 29, 2016
Slurry distributor with a wiping mechanism, system, and method for using same
UNITED STATES GYPSUM CO24 citations90
US8801852B2Aug 12, 2014
Additives in gypsum slurries and adjusting their proportions
UNITED STATES GYPSUM CO21 citations90
US7789645B2Sep 7, 2010
Multi-layer process and apparatus for producing high strength fiber-reinforced structural cementitious panels
UNITED STATES GYPSUM CO22 citations89
US7445738B2Nov 4, 2008
Multi-layer process and apparatus for producing high strength fiber-reinforced structural cementitious panels
UNITED STATES GYPSUM CO45 citations89
US10421251B2Sep 24, 2019
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO9 citations82
US10662112B2May 26, 2020
Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries
UNITED STATES GYPSUM CO2 citations72
US10407344B2Sep 10, 2019
Foam modifiers for gypsum slurries, methods, and products
UNITED STATES GYPSUM CO3 citations72
US10245611B2Apr 2, 2019
Slurry distribution system and method
UNITED STATES GYPSUM CO2 citations72
US11040513B2Jun 22, 2021
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO2 citations71
US9909718B2Mar 6, 2018
Multiple-leg discharge boot for slurry distribution
UNITED STATES GYPSUM CO6 citations71
US10076853B2Sep 18, 2018
Slurry distributor, system, and method for using same
UNITED STATES GYPSUM CO4 citations69
US10968138B2Apr 6, 2021
Gypsum slurries with linear polycarboxylate dispersants
UNITED STATES GYPSUM CO2 citations67
US10442732B2Oct 15, 2019
Gypsum slurries with linear polycarboxylate dispersants
UNITED STATES GYPSUM CO5 citations67
US12162803B2Dec 10, 2024
Foam modifiers for gypsum slurries, methods, and products
UNITED STATES GYPSUM CO0 citations62
US11584690B2Feb 21, 2023
Multi-layer gypsum board and related methods and slurries
UNITED STATES GYPSUM CO0 citations62
US11267759B2Mar 8, 2022
Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries
UNITED STATES GYPSUM CO0 citations62
US12090744B2Sep 17, 2024
Composite gypsum board and methods related thereto
UNITED STATES GYPSUM CO0 citations60
US10309771B2Jun 4, 2019
System and method for determining facer surface smoothness
UNITED STATES GYPSUM CO0 citations39
BELOIT TECHNOLOGIES INC
9 patentsUS6024797AFeb 15, 2000
Method and apparatus for controlling coat-weight profile
BELOIT TECHNOLOGIES INC20 citations92
US5665163ASep 9, 1997
Film applicator with entrained air removal and surface control
BELOIT TECHNOLOGIES INC27 citations91
US5792322AAug 11, 1998
Flow splitting device for web profile control stock dilution system
BELOIT TECHNOLOGIES INC23 citations89
US5882406AMar 16, 1999
Film applicator with adjustable dynamic extraction flow regulator
BELOIT TECHNOLOGIES INC11 citations73
US5735957AApr 7, 1998
Dual chamber film applicator with in-pond overflow
BELOIT TECHNOLOGIES INC15 citations72
US5720816AFeb 24, 1998
Reverse feed film applicator
BELOIT TECHNOLOGIES INC9 citations72
US5824369AOct 20, 1998
Method and apparatus for coating a traveling paper web
BELOIT TECHNOLOGIES INC11 citations67
US5683510ANov 4, 1997
Coater with air collector
BELOIT TECHNOLOGIES INC6 citations61
US6152069ANov 28, 2000
Multi-chamber short dwell coater
BELOIT TECHNOLOGIES INC2 citations60