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AMERICAN AIR FILTER CO

Overview
  • Total Patents
    1,803
  • GoodIP Patent Rank
    197,172
About

AMERICAN AIR FILTER CO has a total of 1,803 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, machines and thermal processes are CAMBRIDGE FILTER CORP, HOWDEN JAMES AUSTRALIA PTY and CAMBRIDGE FILTER MFG CORP.

Patent filings per year

Chart showing AMERICAN AIR FILTER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Revell Alan E 50
#2 Getzin Allan R 34
#3 Rivers Richard D 31
#4 O'Dell Leonard J 26
#5 Westlin Karl L 25
#6 Dahlem Francis E 22
#7 Sexton Robert W 19
#8 Arthur Nutting 18
#9 Huntington Robert G 18
#10 Mutchler Paul A 17

Latest patents

Publication Filing date Title
WO2015061647A1 Apparatus and method for regulating filter media pack pleat spacing
WO2015027185A1 Canister filter with prefiltration
WO2015027183A1 Prefilter wrap
US9320996B1 Filter housing utilizing heat shrinkable materials
US2014196423A1 Tactile Air Filter Media
MX2013005145A Eptfe filter for aseptic pharmaceutical use and method of using.
US4441898A Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same
US4312648A Pocket filter arrangement
US4306896A Filter bag anchoring arrangement
US4300927A Pocket filter arrangement
US4308887A Gas damper
US4342153A Pitch diameter gauge for a variable speed pulley
US4309978A Forced air heater
GB2050199A Filter bag-mounting arrangement
US4266956A Filter clamping device
US4280595A Positive brake for a vehicle wheel
US4326866A Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same
US4253856A Filter arrangement
US4255175A Gas separation filter device having a handle
US4272262A Gas-separation filter device