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DURACRAFT CORP

Overview
  • Total Patents
    101
About

DURACRAFT CORP has a total of 101 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets thermal processes, engines, pumps and turbines and machines are HUNTAIR INC, CHENGDU ZHONGBANG INTELLIGENT TECH CO LTD and NORTEK AIR SOLUTIONS LLC.

Patent filings per year

Chart showing DURACRAFT CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Jui-Shang 45
#2 Chiu Bernard 44
#3 Longan John 25
#4 Marino Frank 18
#5 Jane Rodney 14
#6 Gresens Stanley 11
#7 Peng Johnson 9
#8 Marvin Robert L Jr 8
#9 Valentor Steven 5
#10 Jane Rodney B 5

Latest patents

Publication Filing date Title
CA2174812A1 Portable environmental conditioning device with presence detector responsive shutoff
CA2165042A1 Adjustable electric heater
US5658195A Window fan with oscillating fan enclosure
US5660586A Variable discharge window fan
CA2155482A1 Portable electric fan heater
CA2151992A1 Impeller humidifier with integrally formed overflow tube
US5547615A Portable humidifier with bacteriastat dispenser
US5553607A Portable steam inhalator
US5518370A Portable electric fan with swivel mount
US5547343A Table fan with vise clamp
US5558501A Portable ceiling fan
US5637039A Compact portable window fan
US5664996A Multiple blade window fan
US5514303A Humidifier with removable suction tube
US5483616A Humidifier tank with improved handle
EP0640372A2 Filter air cleaner
USRE35153E Humidifier with float activated water level responsive turn off
US5384888A Vaporizer with electrode positioning
US5435695A Multi-positionable fan
US5411373A Convertible floor fan