Inventor
BARKER DOUGLAS C
US28 patents
⚠️ This page may combine multiple inventors who share the name “BARKER DOUGLAS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOOVER CO
22 patentsUS5960514AOct 5, 1999
Wheel driven suction nozzle
HOOVER CO125 citations98
US5867864AFeb 9, 1999
Hand held turbine powered extractor nozzle
HOOVER CO51 citations95
US6134746AOct 24, 2000
Hand held turbine powered extractor nozzle
HOOVER CO39 citations92
US6108860AAug 29, 2000
Compact carpet and upholstery extractor
HOOVER CO24 citations92
US5961676AOct 5, 1999
Hard bag door with air directing arrangement
HOOVER CO60 citations92
US5870798AFeb 16, 1999
Compact carpet and upholstery extractor
HOOVER CO33 citations92
US7039985B2May 9, 2006
Removable hose and tool caddy
HOOVER CO51 citations89
US5443362AAug 22, 1995
Air turbine
HOOVER CO46 citations88
USD488893SApr 20, 2004
Vacuum cleaner
HOOVER CO16 citations84
USD427397SJun 27, 2000
Vacuum cleaner upper portion
HOOVER CO11 citations74
USD426688SJun 13, 2000
Vacuum cleaner upper portion
HOOVER CO15 citations74
USD398100SSep 8, 1998
Carpet extractor
HOOVER CO11 citations74
USD474315SMay 6, 2003
Vacuum cleaner suction nozzle
HOOVER CO12 citations73
USD545012SJun 19, 2007
Base for an upright extractor
HOOVER CO5 citations63
USD534699SJan 2, 2007
Portion of a portable cleaning machine
HOOVER CO3 citations63
USD517260SMar 14, 2006
Portable cleaning machine
HOOVER CO3 citations63
USD513649SJan 17, 2006
Tank for a portable cleaning machine
HOOVER CO2 citations63
USD498888SNov 23, 2004
Carpet cleaning dry powder spreader
HOOVER CO4 citations63
USD473686SApr 22, 2003
Upper portion of a vacuum cleaner
HOOVER CO5 citations63
USD426689SJun 13, 2000
Vacuum cleaner upper portion
HOOVER CO5 citations63
USD513648SJan 17, 2006
Tank for a portable cleaning machine
HOOVER CO1 citations52
USD505527SMay 24, 2005
Portion of a hood for a dry carpet cleaning dry powder spreader
HOOVER CO1 citations52