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PURAFIL INC

Overview
  • Total Patents
    72
  • GoodIP Patent Rank
    159,529
  • Filing trend
    ⇧ 100.0%
About

PURAFIL INC has a total of 72 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 1987. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, measurement and environmental technology are TSURU SUMIAKI, NOCHI KATSUMI and COUNTRY JIANGSU CATALYST REGENERATION TECH CO LTD.

Patent filings per year

Chart showing PURAFIL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 England William G 54
#2 Osborne Michael W 7
#3 England William Gordon 5
#4 Hughes David W 4
#5 Zhang Xiuyi 4
#6 Nicholas James Aaron 4
#7 Nicholas David W 4
#8 Osborne Michael William 4
#9 Delgais Michael 1
#10 Potts Matthew 1

Latest patents

Publication Filing date Title
WO2021035237A1 Systems and methods for removing odor from a fluid stream
WO2019210038A1 Method for reducing corrosion in machinery
US2020188835A1 Method For Removing Gaseous Contaminants From A Fluid Stream
US2017216769A1 Method for removing contaminant from a fluid stream
US2016178549A1 Corrosion sensor using electrical continuity
WO2014164984A1 Corrosion monitoring apparatus and methods
AU2012231004A1 Systems and methods for detecting and identifying contaminants in a gaseous environment
CN102858423A Filtration media having recycled waste materials
CN102369051A Dry scrubbing air filtration media
EP2265355A1 Dry-scrubbing media compositions and methods of production and use
CA2671051A1 Dry-scrubbing media compositions and methods of production and use
US2008317644A1 Dry scrubber and method of converting a wet scrubber to a dry scrubber
WO2007047557A2 Adsorbent composition with reactive indicator
WO2006137849A1 Methods and apparatuses for detecting and monitoring corrosion using nanostructures
US2005210847A1 Methods and apparatuses for mounting a filtration housing for solid filtration media
WO2004047950A1 High capacity solid filtration media
CN1713946A High capacity solid filtration media
US6004522A Solid filtration media incorporating elevated levels of permanganate and water
US5733350A Container for solid filtration media and filtration system utilizing same
US5942323A Fiber filter and methods of use thereof