Inventor
LANG CHARLES A
US16 patents
⚠️ This page may combine multiple inventors who share the name “LANG CHARLES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOOVER CO
8 patentsUS6842942B2Jan 18, 2005
Nozzle assembly removal arrangement
HOOVER CO48 citations96
US6385810B1May 14, 2002
Latch arrangement for a vacuum cleaner dirt receptacle
HOOVER CO63 citations96
US6832409B2Dec 21, 2004
Wet/dry floor cleaning unit and method of cleaning
HOOVER CO45 citations95
US6640386B2Nov 4, 2003
Floor cleaning unit with a brush assembly
HOOVER CO44 citations91
US7331082B2Feb 19, 2008
Tank arrangement for a cleaning apparatus
HOOVER CO33 citations90
US6629332B2Oct 7, 2003
Floor cleaning device with a recovery tank
HOOVER CO52 citations89
US7222389B2May 29, 2007
Recovery tank for a floor cleaning device
HOOVER CO12 citations84
US7178196B2Feb 20, 2007
Tank arrangement for a floor care appliance
HOOVER CO13 citations84
HEALTHY GAIN INVEST LTD
5 patentsUS7617563B2Nov 17, 2009
Liquid distribution system for a cleaning machine
HEALTHY GAIN INVEST LTD43 citations92
US7533439B2May 19, 2009
Handle assembly for a cleaning apparatus
HEALTHY GAIN INVEST LTD31 citations90
US7430783B2Oct 7, 2008
Tank latching arrangement for a cleaning apparatus
HEALTHY GAIN INVEST LTD10 citations83
US7533442B2May 19, 2009
Wet/dry floor cleaning unit and method of cleaning
HEALTHY GAIN INVEST LTD11 citations82
US7363681B2Apr 29, 2008
Suction shut off device for a cleaning apparatus
HEALTHY GAIN INVEST LTD6 citations60