Inventor
XU YUFENG
CA23 patents
⚠️ This page may combine multiple inventors who share the name “XU YUFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED STATES GYPSUM CO
5 patentsUS10023496B1Jul 17, 2018
No fiber calcination of gypsum for gypsum fiberboard
UNITED STATES GYPSUM CO2 citations73
US9950957B2Apr 24, 2018
Light weight gypsum fiber panel suitable for use as roof cover board
UNITED STATES GYPSUM CO2 citations64
US10232588B2Mar 19, 2019
Siloxane compositions and methods for reducing VOC and siloxane dust
UNITED STATES GYPSUM CO1 citations62
US9410058B2Aug 9, 2016
Compositions and methods for water-resistant gypsum fiber products
UNITED STATES GYPSUM CO2 citations62
US8034203B2Oct 11, 2011
Gypsum wallboard with improved nail pull strength and the method for making same
UNITED STATES GYPSUM CO4 citations58
NORTHERN TELECOM LTD
4 patentsUS5790000AAug 4, 1998
Cascaded surface wave device filters providing balanced and unbalanced signal connections
NORTHERN TELECOM LTD88 citations93
US5835990ANov 10, 1998
Longitudinally coupled double mode surface wave resonators
NORTHERN TELECOM LTD78 citations91
US5821834AOct 13, 1998
Surface wave device with capacitance
NORTHERN TELECOM LTD26 citations89
US5896071AApr 20, 1999
Surface wave device balun resonator filters
NORTHERN TELECOM LTD21 citations87