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HAZEN RESEARCH

Overview
  • Total Patents
    208
  • GoodIP Patent Rank
    198,566
About

HAZEN RESEARCH has a total of 208 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are COVOL TECH INC, DAVY MCKEE STOCKTON and IRON DYNAMICS INC.

Patent filings per year

Chart showing HAZEN RESEARCHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Turner Ronald L 27
#2 Kindig James K 26
#3 Reynolds James E 16
#4 Stephens Frank M Jr 16
#5 Reeves Robert A 15
#6 Kenney Charlie W 15
#7 Hazen Wayne C 13
#8 Berggren Mark H 12
#9 Williams Alan R 10
#10 Downey Jerome P 10

Latest patents

Publication Filing date Title
WO2020236617A1 Compositionally gradient nickel-rich cathode materials and methods for the manufacture thereof
WO2017015435A1 Recovery of rare earths from concentrates containing fluorine
AU2003217549A1 Dry dust control materials
US2003132326A1 Methods of controlling the density and thermal properties of bulk materials
US6422494B1 Methods of controlling the density and thermal properties of bulk materials
US6231627B1 Method to reduce oxidative deterioration of bulk materials
US5919277A Method to reduce oxidative deterioration of bulk materials
US5904783A Method for reducing lead leaching in fixtures
US5725613A Method to reduce oxidative deterioration of bulk materials
US5762891A Process for stabilization of arsenic
US5536416A Method for removing metals from a solution
US5544859A Apparatus and method for inhibiting the leaching of lead in water
US5399322A Selective recovery of dissolved metals and preparation of metal salt products
US5320759A Selective recovery of heavy metals using xanthates
CA1190877A Process for recovering a solid bitumen product from tar sands
CA1194702A Process for recovering iron and zinc from steel- making dusts
CA1178026A Treatment of chlorination residue
IE820897L Process for the recovery of lead and silver.
US4459103A Automatic volatile matter content analyzer
CA1186903A Hydrometallurgical process for the recovery of lead