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ENGELHARD MIN & CHEM

Overview
  • Total Patents
    1,598
About

ENGELHARD MIN & CHEM has a total of 1,598 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets chemical engineering, environmental technology and machines are ENGELHARD CORP, ACCENTUS PLC and HEESUNG CATALYSTS CORP.

Patent filings per year

Chart showing ENGELHARD MIN & CHEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hindin Saul G 58
#2 Keith Carl D 58
#3 Pfefferle William C 48
#4 Mooney John J 34
#5 Dettling Joseph C 28
#6 Bartholic David B 21
#7 Amundsen Alan R 20
#8 Adlhart Otto J 20
#9 Hoeschele James D 19
#10 Keith C D 17

Latest patents

Publication Filing date Title
CA1129180A Process for exchanging hydrogen isotopes between gaseous hydrogen and water
PH16799A Vaporization process and dynamic control thereof
SU1391503A3 Method of decarbonization and demetallization of grude oil or its residual fraction
JPS5747130A Operation of gas turbine
IE810939L Process for decarbonating a hydrocarbon
US4384949A Pretreating hydrocarbon feed stocks using deactivated FCC catalyst
US4339352A Sorptive clay composition and method of manufacture
US4374021A Method for controlling a pretreatment process
US4384471A Chromatographic analysis of hydrocarbon mixtures
GB2090616A Recovery of precious metals
GB2063907A Improved aromatic isomerization process
US4321300A Thin film solar energy collector
US4312729A Dewatering with electrically augmented vacuum filter
US4310605A Fuel cell system
JPS57111202A Simultaneous manufacture of hydrogen and oxygen from water
JPS57113839A Catalyst forming stable dispersant in aqueous medium and its manufacture
JPS57120680A Method and apparatus for producing oxidized or reduced product form substrate
ZA8005147B Photochemical system and a method of using the same
ZA8005146B Simultaneous production of hydrogen and oxygen from water
ZA8005145B Photolytic production of hydrogen from water