Learn more

APRA PRECIPITATOR CORP

Overview
  • Total Patents
    106
About

APRA PRECIPITATOR CORP has a total of 106 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets chemical engineering, machines and electrical machinery and energy are AIRTUNNEL LTD OY, GENANO OY and INTERNAT SEPARATOR COMPANY.

Patent filings in countries

World map showing APRA PRECIPITATOR CORPs patent filings in countries
# Country Total Patents
#1 United States 30
#2 Canada 27
#3 France 19
#4 Germany 16
#5 United Kingdom 12
#6 Belgium 2

Patent filings per year

Chart showing APRA PRECIPITATOR CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Klemperer Hans 20
#2 Hodson Peter 11
#3 Hans Klemperer 10
#4 Peter Hodson 6
#5 Winklepleck Roy G 4
#6 Vickland John C 3
#7 Gordon Winklepleck Roy 3
#8 Valvo Joseph F 2
#9 Rawe Roger F 2
#10 Mackenzie Kenneth W 2

Latest patents

Publication Filing date Title
GB892856A Precipitator purge system with agglomerator
GB866187A Purge system for an electrostatic precipitator
US3046716A Electrodes and shields
US3006632A Electrode positioning means
US2936042A Purge system for electrostatic precipitator
US2911060A Horizontal plane purge for precipitator
GB834084A Purging continuously energized electrostatic precipitator
US2931457A Precipitator purge circuit
US2963110A Dust collector
GB841639A Improvements in or relating to electrostatic precipitators
GB814044A Flashover elimination in electrostatic precipitators
GB820230A Control circuit arrangements for electrostatic precipitators
GB813496A Cleaning device for precipitator
US2887176A Purge means for rectangular precipitator
US2887175A Purging continuously energized electrostatic precipitator
GB802130A Purge cycles for electrostatic precipitators
GB819491A Common power supply for electrostatic precipitator banks with individual section control
US2958392A Apparatus for electrostatic precipitation
US2864457A Flashover elimination in precipitator
US2863523A Electrostatic precipitator