U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Examiner: Doroshenk, Alexa A.


Primary examiner statistics: 39 patents; average approval time: 1462 days
Assistant examiner statistics: 164 patents; average approval time: 1230 days

Patents as Primary Examiner

Patent No. Patent Title:
6991767 Fluidized bed gas distributor system for elevated temperature ope...
6989135 Hydrocarbon conversion system with enhanced combustor and method
6984365 Reactor distribution apparatus and quench zone mixing apparatus
6979426 Biodiesel production unit
6977002 Fuel reforming apparatus and the method of starting it
6974559 Apparatus for metering catalyst in a fluid catalytic cracking cat...
6964727 Coke drum bottom de-heading system
6960325 Apparatus for hydrocracking and/or hydrogenating fossil fuels
6955695 Conversion of petroleum residua to methane
6936227 Feed-dispersion system for fluid catalytic cracking units
6932950 Tubular reactor for catalytic gas phase reactions
6929668 Process for production of hydrogen by partial oxidation of hydroc...
6926868 Continuous slurry polymerization volatile removal
6923940 Riser termination device
6921515 Apparatus for chemical decontamination
6919048 Thin multi-stage catalytic reactor with internal heat exchanger, ...
6916448 Process for selective production of propylene from hydrocarbon fr...
6911184 Exhaust emission control system and method for internal combustio...
6911187 Apparatus for internal heating type reformation by oxidation
6911058 Method for producing clean energy from coal
6905660 Process for loading a reactor
6902707 Apparatus and process for enhanced feed atomization
6896855 Miniaturized temperature-zone flow reactor
6887285 Dual stack compact fuel processor for producing hydrogen rich gas
6881387 Reactor distribution apparatus and quench zone mixing apparatus
6878354 Catalyst and process for exhaust purification
6872363 Production of polyethylene
6869578 Apparatus using plate arrangement for exothermic reactions
6858191 Thin tube plate and chamber support for a chemical reactor or hea...
6852294 Alternate coke furnace tube arrangement
6849160 Method and device for heat treatment of waste products
6835219 Rapid startup of fuel processor using water adsorption
6827908 Standpipe inlet for enhancing particulate solids circulation for ...
6824749 Stacked monolith reactor and process
6824577 Nested compact fuel processor for producing hydrogen rich gas
6824575 Integrated coal gasification combined cycle power generator
6818186 System for removing heavies from diluent recycled to a slurry pol...
6818190 Apparatus for preparing non-photosensitive fatty acid silver salt...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
6805773 Method of protecting a surface in a gasifier
6797240 Process and apparatus for the extraction and regeneration of acid...
6790317 Process for flash carbonization of biomass
6773680 Combustion exhaust gas treatment system
6752972 Plasma processing method and apparatus
6752968 Reformer controlling apparatus
6746651 Axial flow catalyst pack
6740297 Combustion exhaust gas treatment system
6730278 Process and plant for the production of urea with high conversion...
6730272 In-line gas pre-heating
6730271 Fuel-cell system with autothermal fuel-reforming apparatus incorp...
6723291 Fluidized bed polymerization reactor
6719953 Process for the manufacture of olefins by a pyrolysis furnace wit...
6713028 Rotating process chamber with integral pump and energy recovery t...
6709636 Method and apparatus for gasifying fluidized bed
6709637 Fume recovery apparatus and methods
6709640 Process and apparatus for interbed injection in plate reactor arr...
6699444 Fluidized bed reactor
6699438 Gas-phase fluidized-bed reactor
6699443 Liquid distributor with cleaning mechanism
6696026 Process for combined production of ammonia and urea
6689325 Process and device for producing foam using carbon dioxide dissol...
6689326 Method and apparatus for introducing sulphur dioxide into aqueous...
6685893 Pyrolysis heater
6685886 Agitation system for a fluid bed processing system and a method t...
6685887 System for ambient air pollution processing by motor vehicles
6682705 Method for conducting reactions in fluidized particle layers
6680032 Process and apparatus for preparing granulates
6680031 Spray gun with a plurality of single nozzles for a fluid bed proc...
6680030 Stripping process with horizontal baffles
6669915 Gas-liquid inlet nozzle for cocurrent downflow reactors
6666955 Method and apparatus for reclaiming volatile products and non-vol...
6660131 Coke drum bottom de-heading system
6652817 Apparatus for processing organohalogen compounds
6652815 Process and apparatus with refractory shelf for hydrodynamic mixi...
6648931 Configuration and process for gasification of carbonaceous materi...
6649130 Reaction process in hybrid reactor for propylene ammoxidation
6645438 Methods and apparatus for producing fullerenes in large quantitie...
6638397 Simplified automated distillation system for recovering a solvent...
6635094 Soot filter cake disposal
 
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