Inventor
LIU JULIAN
CA37 patents
⚠️ This page may combine multiple inventors who share the name “LIU JULIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIU JULIAN
12 patentsUS8517399B2Aug 27, 2013
Foldable walker apparatus
LIU JULIAN30 citations96
US8083239B2Dec 27, 2011
Foldable walker apparatus
LIU JULIAN29 citations96
US9022413B2May 5, 2015
Foldable walker apparatus
LIU JULIAN23 citations92
US8602424B2Dec 10, 2013
Foldable walker apparatus
LIU JULIAN27 citations92
US8573613B2Nov 5, 2013
Foldable walker apparatus
LIU JULIAN32 citations92
US8505936B2Aug 13, 2013
Foldable walker apparatus
LIU JULIAN21 citations92
US8448960B2May 28, 2013
Foldable walker apparatus
LIU JULIAN20 citations92
US8251380B2Aug 28, 2012
Foldable walker apparatus
LIU JULIAN24 citations92
US9149160B2Oct 6, 2015
Bath chair
LIU JULIAN7 citations84
US8267412B2Sep 18, 2012
Foldable walker apparatus
LIU JULIAN9 citations84
US8454034B2Jun 4, 2013
Foldable walker apparatus
LIU JULIAN4 citations74
US7043742B1May 9, 2006
Protective cover for a data storage disc and method of use
LIU JULIAN4 citations63
EVOLUTION TECH INC
11 patentsUSD828701SSep 18, 2018
Set of seat cushions
EVOLUTION TECH INC12 citations84
US10053062B2Aug 21, 2018
Brake assembly for a height-adjustable walker apparatus
EVOLUTION TECH INC13 citations84
US9763545B2Sep 19, 2017
Bath chair
EVOLUTION TECH INC10 citations84
US9415635B2Aug 16, 2016
Foldable walker apparatus
EVOLUTION TECH INC10 citations84
US9744094B2Aug 29, 2017
Walker apparatus and backrest therefor
EVOLUTION TECH INC16 citations81
US12090115B2Sep 17, 2024
Cable tension adjuster for height-adjustable wheeled vehicle
EVOLUTION TECH INC4 citations74
USD886494SJun 9, 2020
Set of seat cushions
EVOLUTION TECH INC5 citations73
US9623888B2Apr 18, 2017
Foldable walker apparatus
EVOLUTION TECH INC2 citations73
US11648922B2May 16, 2023
Manually-operated, height-adjustable wheeled vehicle, and a brake assembly and wheel fork assembly thereof
EVOLUTION TECH INC0 citations62
US11220246B2Jan 11, 2022
Brake assembly for height-adjustable patient transport apparatus
EVOLUTION TECH INC1 citations62
US10730489B2Aug 4, 2020
Brake assembly for height-adjustable patient transport apparatus
EVOLUTION TECH INC1 citations62
EVOLUTION TECHNOLOGIES INC
7 patentsUS8936256B2Jan 20, 2015
Foldable walker apparatus
EVOLUTION TECHNOLOGIES INC19 citations92
US8864151B1Oct 21, 2014
Foldable walker apparatus
EVOLUTION TECHNOLOGIES INC18 citations92
US9339432B2May 17, 2016
Walker apparatus and backrest therefor
EVOLUTION TECHNOLOGIES INC19 citations89
US9192541B2Nov 24, 2015
Foldable walker apparatus
EVOLUTION TECHNOLOGIES INC4 citations84
US9307868B2Apr 12, 2016
Bath chair
EVOLUTION TECHNOLOGIES INC4 citations73
US9320672B2Apr 26, 2016
Foldable walker apparatus
EVOLUTION TECHNOLOGIES INC2 citations62
US9180065B2Nov 10, 2015
Foldable walker apparatus
EVOLUTION TECHNOLOGIES INC1 citations52
SILITEK CORP
4 patentsUS6651972B2Nov 25, 2003
Document feeding apparatus
SILITEK CORP32 citations89
US6581926B2Jun 24, 2003
Structure for fixing roller
SILITEK CORP9 citations71
US6575452B2Jun 10, 2003
Mechanism for automatically and adjustably feeding sheets
SILITEK CORP7 citations71
US6557848B2May 6, 2003
Paper-stopping mechanism of automatic document feeder
SILITEK CORP10 citations71