Inventor
LIANG TONG
CN42 patents
⚠️ This page may combine multiple inventors who share the name “LIANG TONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIANG LUKE
22 patentsUS8844985B2Sep 30, 2014
Force entry resistant sash lock
LIANG LUKE27 citations93
US8833809B2Sep 16, 2014
Window vent stop with flexible side engagement pieces
LIANG LUKE14 citations93
US8789857B2Jul 29, 2014
Force entry resistant sash lock
LIANG LUKE28 citations93
US8511724B2Aug 20, 2013
Window sash latch
LIANG LUKE19 citations93
US8414039B2Apr 9, 2013
Sash lock with signal
LIANG LUKE21 citations93
US8336930B2Dec 25, 2012
Window sash latch
LIANG LUKE27 citations93
US8235430B2Aug 7, 2012
Window vent stop with flexible side engagement pieces
LIANG LUKE33 citations93
US7637544B2Dec 29, 2009
Night latch
LIANG LUKE39 citations93
US10119310B2Nov 6, 2018
Combination sash lock and tilt latch with improved interconnection for blind mating of the latch to the lock
LIANG LUKE8 citations84
US9376834B2Jun 28, 2016
Screwless sash lock for metal and plastic window sashes and the like
LIANG LUKE14 citations84
US9115529B2Aug 25, 2015
Casement window opening control device
LIANG LUKE6 citations84
US9103144B2Aug 11, 2015
Door travel limiting device
LIANG LUKE19 citations84
US8870244B2Oct 28, 2014
Sash lock with signal
LIANG LUKE17 citations84
US8220846B2Jul 17, 2012
Latch for tiltable sash windows
LIANG LUKE19 citations84
US8132290B2Mar 13, 2012
Block and tackle balance assembly with rotatable shoe
LIANG LUKE18 citations84
US7941898B2May 17, 2011
Window rotating handle
LIANG LUKE11 citations84
USD571635SJun 24, 2008
Sash lock and keeper
LIANG LUKE9 citations84
USD730713SJun 2, 2015
Sash lock and keeper
LIANG LUKE1 citations63
USD721942SFeb 3, 2015
Sash lock and keeper
LIANG LUKE3 citations63
US10323446B2Jun 18, 2019
Integrated sash lock and tilt latch combination with improved interconnection capability therebetween
LIANG LUKE0 citations52
US10006232B2Jun 26, 2018
Window vent stop with flexible side engagement pieces
LIANG LUKE0 citations52
USD569225SMay 20, 2008
Keeper
LIANG LUKE0 citations52
VISION IND GROUP INC
16 patentsUS8360484B2Jan 29, 2013
Vent stop for wooden and other windows
VISION IND GROUP INC28 citations93
US7431356B2Oct 7, 2008
Window vent stop
VISION IND GROUP INC29 citations91
US10107021B1Oct 23, 2018
Window vent stop with plastic spring member for bi-directional biasing of the tumbler
VISION IND GROUP INC8 citations84
US8032989B2Oct 11, 2011
Casement window hinge
VISION IND GROUP INC11 citations84
US7900400B2Mar 8, 2011
Adjustable window hinge
VISION IND GROUP INC8 citations84
USD626815SNov 9, 2010
Handle
VISION IND GROUP INC9 citations84
US10633897B2Apr 28, 2020
Tamper-resistant lock
VISION IND GROUP INC10 citations80
USD756746SMay 24, 2016
Sash lock and keeper
VISION IND GROUP INC4 citations73
US10844636B2Nov 24, 2020
Combination forced entry resistant sash lock and tilt latch, also functioning as a window opening control device
VISION IND GROUP INC1 citations63
USD634175SMar 15, 2011
Handle
VISION IND GROUP INC5 citations63
US7197849B2Apr 3, 2007
Balance shoe for tilt windows
VISION IND GROUP INC2 citations61
US10174530B2Jan 8, 2019
Casement window opening control device with sliding arms
VISION IND GROUP INC0 citations52
US10053896B2Aug 21, 2018
Window vent stop with flexible side engagement pieces
VISION IND GROUP INC0 citations52
US9670705B2Jun 6, 2017
Casement window opening control device
VISION IND GROUP INC0 citations52
US9388612B2Jul 12, 2016
Casement window opening control device
VISION IND GROUP INC0 citations52
US7165359B2Jan 23, 2007
Balance shoe
VISION IND GROUP INC1 citations51