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PNEUMAFIL CORP

Overview
  • Total Patents
    131
About

PNEUMAFIL CORP has a total of 131 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, textiles and paper and thermal processes are KURITA MACHINERY MANUF, PIERSON HENRI G W and COMMERCIAL FILTERS CORP.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Williams Roger D 44
#2 Gengler Mark S 11
#3 Joachim Furstenberg 5
#4 Starling Bobby L 5
#5 Morrow Alfred C 5
#6 Hartness Roy 5
#7 Barr Jr Harry S 5
#8 Ford David M 4
#9 Hocutt Hovan 4
#10 Helmlinger David V 4

Latest patents

Publication Filing date Title
CA2313871A1 Self-cleaning belt filter and method
US5906752A Self-cleaning belt filter with edge sealing means and method
US5730767A Sealing apparatus in a belt-type filter
BR9503213A Diaphragm valve and method for operating a diaphragm valve
CA2154207A1 Dust collector with reverse air cleaning
US5560835A Pleated belt filter with suction means to remove debris
US5575143A Air directing apparatus for use with textile machines and the like
US5490392A Heat transfer method and apparatus
US5584913A Dust collector with two stage self-cleaning of filter elements
US5505385A Laminar air diffuser
US5346519A Filter media construction
US5321942A Method and apparatus for directing conditioned air to a spinning machine
US5326511A Method for forming compressible material into discrete solid blocks
US5217512A Apparatus for filtering debris from a moving airstream
US5116395A Dust collection with programmable cleaning air control
US5110331A Dust collector with re-entrainment prevention walls
US5000767A Dust collector with pneumatic seal
US5061303A Snap-in filter unit
US5062872A Air filter with horizontal filter elements
US4895581A Two stage air filtration system