Assignee
DURACRAFT CORP
US132 patents
Top patents by PatentIndex Score
US5483616AJan 9, 1996
Humidifier tank with improved handle
DURACRAFT CORP146 citations99
USD386576SNov 18, 1997
Humidifier
DURACRAFT CORP123 citations98
USD377523SJan 21, 1997
Air cleaner
DURACRAFT CORP113 citations98
US5558501ASep 24, 1996
Portable ceiling fan
DURACRAFT CORP210 citations98
US5518370AMay 21, 1996
Portable electric fan with swivel mount
DURACRAFT CORP135 citations97
USD395080SJun 9, 1998
Portable electric fan
DURACRAFT CORP66 citations96
US5547343AAug 20, 1996
Table fan with vise clamp
DURACRAFT CORP90 citations96
USD355962SFeb 28, 1995
Air cleaner
DURACRAFT CORP55 citations96
USD354558SJan 17, 1995
Combined electric fan housing and stand therefor
DURACRAFT CORP49 citations96
USD330074SOct 6, 1992
Portable electrical humidifier
DURACRAFT CORP48 citations96
USD328341SJul 28, 1992
Portable electric heater
DURACRAFT CORP115 citations96
USD323708SFeb 4, 1992
Portable electrical fan
DURACRAFT CORP84 citations96
USD374712SOct 15, 1996
Portable electric heater
DURACRAFT CORP56 citations95
US5162088ANov 10, 1992
Evaporator apparatus
DURACRAFT CORP59 citations95
USD388869SJan 6, 1998
High velocity fan
DURACRAFT CORP19 citations93
USD388162SDec 23, 1997
Humidifier
DURACRAFT CORP20 citations93
US5660586AAug 26, 1997
Variable discharge window fan
DURACRAFT CORP21 citations93
USD362906SOct 3, 1995
Evaporative humidifier
DURACRAFT CORP21 citations93
USD359552SJun 20, 1995
Humidifier
DURACRAFT CORP20 citations93
US5411373AMay 2, 1995
Convertible floor fan
DURACRAFT CORP22 citations93
USD357310SApr 11, 1995
Humidifier
DURACRAFT CORP27 citations93
US5382136AJan 17, 1995
Expandable window fan
DURACRAFT CORP21 citations93
US5339383AAug 16, 1994
Electrical humidifer with detachable connector plug safety interlock system allowing interior access only when unplugged
DURACRAFT CORP33 citations93
USD349566SAug 9, 1994
Air purifier
DURACRAFT CORP29 citations93
USD347683SJun 7, 1994
Portable electrical heater
DURACRAFT CORP21 citations93
US5304040AApr 19, 1994
Tri-pod portable fan
DURACRAFT CORP35 citations93
US5295811AMar 22, 1994
Portable fan with electrical control retaining stand
DURACRAFT CORP46 citations93
USD345011SMar 8, 1994
Expandable window fan
DURACRAFT CORP21 citations93
US5247604ASep 21, 1993
Humidifier tank with leakage control cap
DURACRAFT CORP33 citations93
US5215685AJun 1, 1993
Humidifier with water sealed impeller unit
DURACRAFT CORP48 citations93
US5210818AMay 11, 1993
Leak proof humidifier
DURACRAFT CORP34 citations93
USD335341SMay 4, 1993
Portable vaporizer
DURACRAFT CORP21 citations93
USD333866SMar 9, 1993
Heater fan
DURACRAFT CORP29 citations93
US5143655ASep 1, 1992
Efficiently packaged humidifier device
DURACRAFT CORP48 citations93
US5131810AJul 21, 1992
Fan with rotatable grill
DURACRAFT CORP28 citations93
US5131070AJul 14, 1992
Portable humidifier
DURACRAFT CORP28 citations93
US5110263AMay 5, 1992
Convertible floor and window fan
DURACRAFT CORP30 citations93
US5108663AApr 28, 1992
Humidifier with float activated water level responsive turn off
DURACRAFT CORP33 citations93
USD323382SJan 21, 1992
Heater fan
DURACRAFT CORP33 citations93
US5067169ANov 19, 1991
Portable humidifier
DURACRAFT CORP28 citations93
USD318723SJul 30, 1991
Portable fan heater
DURACRAFT CORP35 citations93
US5034162AJul 23, 1991
High capacity portable humidifier
DURACRAFT CORP38 citations93
US5018951AMay 28, 1991
Portable electrical fan
DURACRAFT CORP24 citations93
USD316599SApr 30, 1991
Portable electrical fan
DURACRAFT CORP22 citations93
US4927120AMay 22, 1990
Portable electrical fan
DURACRAFT CORP26 citations93
USD421648SMar 14, 2000
Humidifier
DURACRAFT CORP19 citations92
USD386579SNov 18, 1997
Front grill for a portable electric fan
DURACRAFT CORP18 citations92
USD384738SOct 7, 1997
Floor fan
DURACRAFT CORP24 citations92
USD382634SAug 19, 1997
Portable electric heater
DURACRAFT CORP20 citations92
USD371833SJul 16, 1996
Giant heater
DURACRAFT CORP25 citations92
Showing the top 50 of 132 patents by PatentIndex Score.