Inventor

John J. Steger

Inventor
Pittstown, NJ, US

Overview

33→
Patents
1978–2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry28%
B01DSeparation22%
C10GCracking hydrocarbon oils12%
Y02TClimate change mitigation technologies related to transportation10%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
Y02ATechnologies for adaptation to climate change3%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals1%
PatentTitleYear
8,372,477'Polymeric trap with adsorbent'20137,722,829'Pressure-balanced, catalyzed soot filter'20107,677,226'Hydrocarbon adsorption filter for air intake system evaporative emission control'20107,578,285'Hydrocarbon adsorption filter for air intake system evaporative emission control'20097,524,465'Multi-zone catalytic converter'20096,872,686'Hydrophobic catalytic materials and method of forming the same'20056,764,665'Layered catalyst composite'20046,685,898'Hydrophobic catalytic materials and method of forming the same'20046,586,359'Catalytic material for treating pollutant-containing gases'20036,340,066'Pollutant treating devices and methods of making the same'20026,237,575'Dynamic infrared sensor for automotive pre-vaporized fueling control'20016,214,303'Method and apparatus for treating the atmosphere'20016,193,504'Portable rotary catalytic oxidizer systems'20016,171,556'Method and apparatus for treating an engine exhaust gas stream'20016,156,283'Hydrophobic catalytic materials and method of forming the same'20005,981,427'Catalyst composition'19995,898,014'Catalyst composition containing oxygen storage components'19995,888,464'Catalyst composition containing an intimately combined cerium-zirconium oxide'19995,419,121'Method and apparatus for reduction of pollutants emitted from automotive engines by flame incineration'19955,357,908'Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines'19944,824,820'Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal, amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide'19894,812,227'Hydrotreating with catalysts comprising mixtures of an amorphous sulfide or trivalent chromium and microcrystallites of molybdenum sulfide or tungsten sulfide'19894,721,558'Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide'19884,716,139'Amorphous sulfide catalysts of trivalent chromium and promoter metals and method of making same'19874,648,960'Bound zeolite catalyst and process for using said catalyst'19874,634,517'Zeolite catalyst and process for using said catalyst (C-1591)'19874,595,670'Zeolite catalyst'19864,595,668'Bound zeolite catalyst'19864,552,856'Zeolite catalyst and preparation thereof'19854,361,714'Preparation of linear olefin products'19824,267,157'Process of preparing metal phosphorus trisulfides'19814,224,182'Novel hindered alkyl aluminum amide cocatalysts'19804,130,492'MXY.sub.3 solid lubricants'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1989Patents assigned to EXXON RESEARCH ENGINEERING CO (13)· patent assignee history
1978–1982Based in Scotch Plains, NJ, US· patent location history
1985–2013Based in Pittstown, NJ, US· patent location history
1994–2005Patents assigned to ENGELHARD CORP (15)· patent assignee history
2009–2010Patents assigned to BASF CATALYSTS LLC (4)· patent assignee history
2013Patents assigned to ALDEN LAIF R (1)· patent assignee history
2013Patents assigned to BASF CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENGELHARD CORP151994–2005
EXXON RESEARCH ENGINEERING CO131978–1989
BASF CATALYSTS LLC42009–2010
ALDEN LAIF R12013
BASF CORP12013
Locations
LocationPatentsSpan
Pittstown, New Jersey, US291985–2013
Scotch Plains, New Jersey, US41978–1982