Inventor
Li jian qun
CN35 patents
⚠️ This page may combine multiple inventors who share the name “Li jian qun”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WONDERLAND NURSERY GOODS
16 patentsUS9884640B2Feb 6, 2018
Foldable stroller
WONDERLAND NURSERY GOODS29 citations94
US7712765B2May 11, 2010
Stroller having a single folding shaft
WONDERLAND NURSERY GOODS41 citations93
US7568766B2Aug 4, 2009
Armrest device
WONDERLAND NURSERY GOODS24 citations93
US9796405B2Oct 24, 2017
Infant stroller apparatus
WONDERLAND NURSERY GOODS16 citations92
US7717456B2May 18, 2010
Stroller with linkage assembly
WONDERLAND NURSERY GOODS17 citations92
US7600775B2Oct 13, 2009
Stroller connectable with a car seat
WONDERLAND NURSERY GOODS28 citations92
US7458115B2Dec 2, 2008
Foldable baby crib
WONDERLAND NURSERY GOODS21 citations92
US10286941B2May 14, 2019
Infant stroller apparatus
WONDERLAND NURSERY GOODS6 citations84
US7930776B2Apr 26, 2011
Playpen and fabric fixing device used therefor
WONDERLAND NURSERY GOODS10 citations84
US7850236B2Dec 14, 2010
Rotatable armrest assembly
WONDERLAND NURSERY GOODS10 citations84
US7611205B2Nov 3, 2009
Safety seat assembly
WONDERLAND NURSERY GOODS11 citations84
US7384102B2Jun 10, 2008
Armrest device
WONDERLAND NURSERY GOODS19 citations84
US7293304B2Nov 13, 2007
Foldable baby crib
WONDERLAND NURSERY GOODS10 citations84
US9725107B2Aug 8, 2017
Foldable stroller frame
WONDERLAND NURSERY GOODS7 citations73
US7770267B2Aug 10, 2010
Buckle
WONDERLAND NURSERY GOODS4 citations63
US7434279B2Oct 14, 2008
Folding device for playpen
WONDERLAND NURSERY GOODS3 citations63
WONDERLAND SWITZERLAND AG
7 patentsUS12233931B2Feb 25, 2025
Vehicle frame and baby stroller
WONDERLAND SWITZERLAND AG2 citations75
US10532759B2Jan 14, 2020
Child support apparatus
WONDERLAND SWITZERLAND AG2 citations73
US12096865B2Sep 24, 2024
Child carrier
WONDERLAND SWITZERLAND AG0 citations62
US11912328B2Feb 27, 2024
Vehicle frame and baby stroller
WONDERLAND SWITZERLAND AG1 citations62
US11696650B2Jul 11, 2023
Child carrier
WONDERLAND SWITZERLAND AG0 citations62
US11344136B2May 31, 2022
Child carrier
WONDERLAND SWITZERLAND AG0 citations62
US11219563B2Jan 11, 2022
Adjustable backrest and wheelchair therewith
WONDERLAND SWITZERLAND AG1 citations62
LI JIAN-QUN
6 patentsUS8602441B2Dec 10, 2013
Tandem stroller
LI JIAN-QUN20 citations92
US8870215B2Oct 28, 2014
Locking mechanism and stroller therewith
LI JIAN-QUN9 citations84
US8740243B2Jun 3, 2014
Foldable stroller frame
LI JIAN-QUN11 citations84
US9638243B2May 2, 2017
Joint device
LI JIAN-QUN15 citations83
US8322745B2Dec 4, 2012
Tandem stroller frame
LI JIAN-QUN9 citations79
US8840133B2Sep 23, 2014
Stroller frame
LI JIAN-QUN3 citations62