Inventor
LIU LI H
US18 patents
⚠️ This page may combine multiple inventors who share the name “LIU LI H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOP VAC CORP
12 patentsUSD521445SMay 23, 2006
Battery cartridge
SHOP VAC CORP77 citations97
US6113663ASep 5, 2000
Vacuum cleaner having a dual filter assembly
SHOP VAC CORP133 citations97
USD521446SMay 23, 2006
Battery cartridge
SHOP VAC CORP55 citations96
US6440191B1Aug 27, 2002
Vacuum cleaner filter assembly
SHOP VAC CORP62 citations96
US6110248AAug 29, 2000
Dual filter assembly for a vacuum cleaner
SHOP VAC CORP65 citations96
US8015661B2Sep 13, 2011
Vacuum with rechargeable battery
SHOP VAC CORP22 citations92
USD581114SNov 18, 2008
Vacuum cleaner
SHOP VAC CORP21 citations92
USD429042SAug 1, 2000
Vacuum cleaner
SHOP VAC CORP33 citations92
US7555809B2Jul 7, 2009
Wall hanging vacuum cleaner
SHOP VAC CORP9 citations84
USD537578SFeb 27, 2007
Handheld vacuum
SHOP VAC CORP6 citations74
USD429394SAug 8, 2000
Vacuum cleaner tank
SHOP VAC CORP13 citations74
USD520444SMay 9, 2006
Battery cartridge
SHOP VAC CORP8 citations73
LIU LI H
4 patentsUS8533906B2Sep 17, 2013
Vacuum cleaner with recirculated cooling air
LIU LI H7 citations82
USD688842SAug 27, 2013
Vacuum cleaner
LIU LI H2 citations62
USD683507SMay 28, 2013
Vacuum cleaner
LIU LI H2 citations62
US8707497B2Apr 29, 2014
Combination vacuum cleaner, dolly, and mounting bracket
LIU LI H3 citations61