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UNITED AIR SPECIALISTS

Overview
  • Total Patents
    73
  • GoodIP Patent Rank
    205,500
  • Filing trend
    ⇩ 66.0%
About

UNITED AIR SPECIALISTS has a total of 73 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1967. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets chemical engineering, environmental technology and machines are ANHUI YIYI ENVIRONMENTAL PROT EQUIPMENT CO LTD, ALANCO ENVIRONMENTAL RESOURCES and ENVIRONMENTAL MAN CONFEDERATION INC.

Patent filings per year

Chart showing UNITED AIR SPECIALISTSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cheney William A 10
#2 Spurgin Wendell P 10
#3 Haynam Travis 8
#4 Wichmann Frederick R 7
#5 Elsbernd Carl A 5
#6 Henry Donald R 4
#7 Foust Dave 3
#8 Kulkarni Prashant Shashank 3
#9 Ball Alan W 3
#10 Kelly Ryan Patrick 3

Latest patents

Publication Filing date Title
WO2018217578A2 Industrial air filtration system and associated filter element
CN108778462A The nested filter used in unit is condensed in mist
EP2461888A2 Filter cleaning system and method
EP2219757A1 Filter element arrangement and portable air cleaner incorporating same
US6902592B2 Apparatus and method for cleaning an air filter unit
AU6652798A Reverse pulse cleaning enhancement for cartridge filter air filtration system
US5556448A Electrostatic precipitator that operates in conductive grease atmosphere
US5441204A Electrostatic fluid distribution nozzle
US5503336A High volume - low volume electrostatic dispensing nozzle assembly
US5474599A Apparatus for electrostatically cleaning particulates from air
AU3813593A Electrostatic dispensing nozzle assembly
US5330559A Method and apparatus for electrostatically cleaning particulates from air
US5209410A Electrostatic dispensing nozzle assembly
US4781736A Electrostatically enhanced HEPA filter
US4335414A Automatic reset current cut-off for an electrostatic precipitator power supply
US4365480A Process gas treating apparatus
US4318337A Source capture fume reduction apparatus
US4484451A Two-stage gas condenser with feedback cooling
US4484396A Oxygen reduction system and condenser apparatus with automatic defrost
US4318152A Digital high voltage monitor and display for electrostatic precipitators