Inventor

Alan Tat Yan Cheng

Inventor
Livingston, NJ, US

Overview

49→
Patents
1989–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 49 as inventor

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

B01Fprimary
B01FMixing, e.g. dissolving, emulsifying or dispersing12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
B01DSeparation9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
F25DRefrigerators6%
A01NPreservation of bodies of humans or animals or plants or parts thereof4%
C02FTreatment of water, waste water, sewage, or sludge4%
F26BDrying solid materials or objects by removing liquid therefrom4%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes3%
F25BRefrigeration machines, plants or systems3%
PatentTitleYear
10,744,468System and method for feeding gas into liquid202010,576,288Cardiac event sensing in an implantable medical device20209,101,780'Automatic external defibrillator for implatable cardiac defibrillator patients undergoing procedures involving electromagnetic interference'20158,973,283'System and method for solvent recovery in a batch fluidized bed process'20158,938,979'Method for lyophilization using cryogenic refrigeration system'20158,820,097'Method and system for regulating the mixture of cryogen liquid and warm gas for a controlled rate cryogenic chiller or freezing system'20148,794,013'Method and system for nucleation control in a controlled rate freezer (CRF)'20148,794,012'Method and system for controlled rate freezing of biological material'20148,015,841'Cryogenic refrigeration system for lyophilization'20117,461,649'Portable gas operating inhaler'2008D0556753'Network appliance'20077,279,319'Method and apparatus for injecting oxygen into fermentation processes'2007D0539243'Television'2007D0533147'Receiving and sending box of TV wireless'20067,048,262'Method and apparatus for injecting oxygen into fermentation processes'20066,622,496'External loop nonfreezing heat exchanger'20036,505,472'Cryogenic condensation system'20036,500,765'Method for manufacturing dual-spacer structure'20026,355,292'Precarbonation process to reduce foaming'20026,324,852'Method of using high pressure LN2 for cooling reactors'20016,319,861'Method of improving deposition'20016,280,996'Method of using oxygen to eliminate carbon dioxide poisoning in aerobic fermentation'20016,273,402'Submersible in-situ oxygenator'20016,250,609'Method of making supersaturated oxygenated liquid'20016,220,048'Freeze drying with reduced cryogen consumption'20016,145,815'System for enhanced gas dissolution having a hood positioned over the impeller with segregating rings'20005,985,652'Gas driven fermentation system'19995,943,869'Cryogenic cooling of exothermic reactor'19995,939,313'Stationary vortex system for direct injection of supplemental reactor oxygen'19995,937,656'Nonfreezing heat exchanger'19995,802,858'Cryogenic cooling tower'19985,798,254'Gas driven fermentation method using two oxygen-containing gases'19985,763,544'Cryogenic cooling of exothermic reactor'19985,701,745'Cryogenic cold shelf'19975,634,355'Cryogenic system for recovery of volatile compounds'19975,540,057'Volatile organic compounds recovery from vent gas streams'19965,422,044'Method and apparatus for mixing a cold gas with a hot liquid'19955,401,866'Method of recovering waste heat from edible oil deodorizer and improving product stability'19955,394,827'Draft tube, direct contact cryogenic crystallizer'19955,374,751'Deodorizing edible oil and/or with non-condensible inert gas and recovering a high quality fatty acid distillate'19945,362,455'Draft tube, direct contact cryogenic crystallizer'19945,315,020'Method of recovering waste heat from edible oil deodorizer and improving product stability'19945,302,325'In-line dispersion of gas in liquid'19945,241,092'Deodorizing edible oil and/or fat with non-condensible inert gas and recovering a high quality fatty acid distillate'19935,211,916'Stripping system'19935,098,267'Apparatus and method for producing and molding structural foam'19925,061,406'In-line gas/liquid dispersion'19914,931,225'Method and apparatus for dispersing a gas into a liquid'19904,861,352'Method of separating a gas and/or particulate matter from a liquid'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2007Based in Livingston, NJ, US· patent location history
1993–2020Patents assigned to PRAXAIR TECHNOLOGY INC (38)· patent assignee history
2001–2002Based in Kaohsiung, TW· patent location history
2006–2007Patents assigned to INVENTEC CORP (3)· patent assignee history
2006–2007Based in Taipei, TW· patent location history
2008–2020Based in Naperville, IL, US· patent location history
2014–2015Patents assigned to CHENG ALAN (4)· patent assignee history
2014–2020Patents assigned to CHENG ALAN T (3)· patent assignee history
2014–2020Patents assigned to HO YEU-CHUAN SIMON (3)· patent assignee history
2020Based in Golden Valley, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PRAXAIR TECHNOLOGY INC381993–2020
CHENG ALANself42014–2015
CHENG ALAN Tself32014–2020
HO YEU-CHUAN SIMON32014–2020
INVENTEC CORP32006–2007
Locations
LocationPatentsSpan
Livingston, New Jersey, US321991–2007
Naperville, Illinois, US82008–2020
Taipei, TW32006–2007
Kaohsiung, TW22001–2002
Golden Valley, Minnesota, US12020