Inventor
Karl T. Chuang
Inventor
Edmonton, CA
Overview
Patents· 57 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C07CAcyclic or carbocyclic compounds12%
Y02PClimate change mitigation technologies in the production or processing of goods12%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
C01BNon-metallic elements5%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C04BLime, magnesia2%
PatentTitleYear
11,121,141Semiconductor structure and method for forming the same20219,266,804'Dual-bed catalytic distillation tower and method for preparing dimethyl ether using the same'20169,227,899'Process for producing propylene glycol methyl ether'20169,193,660'Process for recovery of a carboxylic acid from a feed stream containing the corresponding ester'20159,181,159'Method for coproducing isobutene and MTBE from tert-butanol mixture in a catalytic distillation column'20159,169,183'Method for coproducing isobutene and ETBE from tert-Butanol mixture'20159,067,846'Process for producing styrene-, methylstyrene- and ethylbenzene-free C6-C9 aromatic hydrocarbon blends'20158,766,028'Separating styrene from C6-C8 aromatic hydrocarbons'20148,575,399'Dual-bed catalytic distillation tower and method for preparing dimethyl ether using the same'20138,574,786'Anode catalysts for fuel cell membrane reactors'20138,506,766'Method for recovery of acetic acid from an aqueous solution thereof'20138,466,302'Process for producing propylene oxide'20138,449,656'Process and apparatus for removal of oxygen from seawater'20138,377,606'Paraffin fuel cell'20138,318,384'Anode catalyst and methods of making and using the same'20128,268,131'Apparatus and method for recovery of acetic acid from an aqueous solution thereof'20128,039,167'Paraffin fuel cell'20117,977,006'Paraffin fuel cell'20117,909,966'Apparatus for catalytic distillation processes'20117,847,140'Process for making higher olefins'20107,666,297'Oxidative desulfurization and denitrogenation of petroleum oils'20107,445,200'Gas-liquid contactor baffle'20087,338,587'Electrochemical process for oxidation of alkanes to alkenes'20087,276,152'Oxidative desulfurization and denitrogenation of petroleum oils'20077,235,702'Process for production of alcohols'20077,211,702'Process for production of alcohols'20077,014,941'Electrode catalyst for H2S fuel cells'20066,833,483'Process for production of alcohols'20046,588,736'Gas/liquid contacting, perforated tray assembly'20036,565,071'Liquid/gas contacting apparatus'20036,371,455'Gas/liquid contacting apparatus'20026,325,360'Structured packing assembly'20016,270,062'Fluids contacting, tray opening, fluid dispersing assembly'20016,241,871'Electrochemical oxidation of hydrogen sulfide'20016,189,872'Froth activator apparatus and method'20016,145,816'Fluids contacting, tray opening, fluid dispersing assembly'20006,053,485'Apparatus for tray valve attachment'20006,045,762'Apparatus for catalytic distillation'20005,975,503'Structured packing assembly'19995,925,588'Production of hydrogen peroxide'19995,851,948'Supported catalyst and process for catalytic oxidation of volatile organic compounds'19985,846,898'Production of hydrogen peroxide'19985,770,761'Process for ethyl acetate production'19985,387,377'Active liquid distributor containing packed column'19955,366,666'Multiple downcomer fractionation tray having packing between downcomers'19945,338,531'Production of hydrogen peroxide'19945,262,094'Fractionation tray having packing immediately below tray deck'19935,213,719'Gas-liquid contacting device'19935,210,319'One step carboxylic acid production process'19935,190,668'Method for the removal of volatile organic compounds from water'19935,082,647'Production of hydrogen peroxide'19925,009,872'Method of oxidizing gaseous substances'19914,981,659'Reduction of nitrogen oxides'19914,552,744'Process for the production of sulfuric acid using coated catalysts'19854,504,426'Gas-liquid contacting apparatus'19854,374,907'Gaseous hydrogen and oxygen combining and condensing device'19834,374,116'Method of combining gaseous hydrogen and oxygen and apparatus therefor'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1992Patents assigned to CA ATOMIC ENERGY LTD (7)· patent assignee history
1983–1985Based in Deep River, CA· patent location history
1991–2016Based in Edmonton, CA· patent location history
1993–2016Patents assigned to CHUANG KARL T (9)· patent assignee history
1995–2013Patents assigned to UNIV ALBERTA (13)· patent assignee history
2000–2015Patents assigned to AMT INT INC (13)· patent assignee history
2007–2016Patents assigned to CPC CORP TAIWAN (9)· patent assignee history
2013–2016Based in Chiayi, TW· patent location history
2015Based in Taipei, TW· patent location history
2021Based in Miaoli, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMT INT INC | 13 | 2000–2015 |
| UNIV ALBERTA | 13 | 1995–2013 |
| CHUANG KARL Tself | 9 | 1993–2016 |
| CPC CORP TAIWAN | 9 | 2007–2016 |
| CA ATOMIC ENERGY LTD | 7 | 1983–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Edmonton, CA | 47 | 1991–2016 |
| Deep River, CA | 4 | 1983–1985 |
| Chiayi, TW | 3 | 2013–2016 |
| Miaoli, TW | 1 | 2021 |
| Taipei, TW | 1 | 2015 |