Patents by Inventor Guang-Chung Lee

Guang-Chung Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10614361
    Abstract: Classification techniques are disclosed that take into account the “cost” of each type of classification error for minimizing total cost of errors. In one example embodiment, a pre-trained cost-sensitive auto-encoder can be used in combination with a training (fine-tuning) stage for cost-sensitive deep learning. Thus, cost information is effectively combined with deep learning by modifying the objective function in the pre-training phase. By minimizing the modified objective function, the auto-encoder not only tries to capture underlying pattern, it further “learns” the cost information and “stores” it in the structure. By later fine-tuning at the training stage, the classification system yields improved performance (lower cost) than a typical classification system that does not take cost information into account during pre-training.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: April 7, 2020
    Assignee: INTEL CORPORATION
    Inventors: Yu-An Chung, Guang-He Lee, Shao-Wen Yang
  • Patent number: 10456740
    Abstract: Systems and methods for improved column operation in offshore environments by using a co-current contactor system in floating production, storage and offloading (FPSO) systems.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: October 29, 2019
    Assignee: Bechtel Hydrocarbon Technology Solutions, Inc.
    Inventors: Guang-Chung Lee, Sudhir Golikeri, Jie Yu
  • Publication number: 20170276427
    Abstract: Systems and methods for the enhanced recovery of ethane and heavier hydrocarbons using an absorbing agent. Typical absorbing agents include one or more C3+ alkanes. The systems and methods separate components of a feed gas containing methane and heavier hydrocarbons, which maximizes ethane recovery, without requiring appreciable increases in capital and operating costs, and improves the safety margin with respect to the risk of CO2 freeze-out.
    Type: Application
    Filed: June 9, 2017
    Publication date: September 28, 2017
    Applicant: IPSI L.L.C.
    Inventors: Guang Chung Lee, Ji Yu, Jame Yao, Sudhir Golikeri, Douglas Elliot
  • Patent number: 9557102
    Abstract: Systems and methods for natural gas liquefaction capacity augmentation using supplemental cooling systems and methods to improve the efficiency of a liquefaction cycle for producing liquefied natural gas (LNG).
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: January 31, 2017
    Assignee: Bechtel Hydrocarbon Technology Solutions, Inc.
    Inventors: Guang-Chung Lee, Sudhir Golikeri
  • Publication number: 20160136569
    Abstract: Systems and methods for improved column operation in offshore environments by using a co-current contactor system in floating production, storage and offloading (FPSO) systems.
    Type: Application
    Filed: June 19, 2014
    Publication date: May 19, 2016
    Inventors: Guang-Chung Lee, Sudhir Golikeri, Jie Yu
  • Publication number: 20160109178
    Abstract: Systems and methods for natural gas liquefaction capacity augmentation using supplemental cooling systems and methods to improve the efficiency of a liquefaction cycle for producing liquefied natural gas (LNG).
    Type: Application
    Filed: June 19, 2014
    Publication date: April 21, 2016
    Inventors: Guang-Chung Lee, Sudhir Golikeri
  • Publication number: 20150330705
    Abstract: Systems and methods for natural gas liquefaction capacity augmentation using supplemental cooling systems and methods to improve the efficiency of a liquefaction cycle for producing liquefied natural gas (LNG).
    Type: Application
    Filed: July 24, 2015
    Publication date: November 19, 2015
    Inventors: Guang-Chung Lee, Sudhir Golikeri
  • Publication number: 20140260421
    Abstract: Systems and methods for the enhanced recovery of ethane and heavier hydrocarbons using an absorbing agent. Typical absorbing agents include one or more C3+ alkanes. The systems and methods separate components of a feed gas containing methane and heavier hydrocarbons, which maximizes ethane recovery, without requiring appreciable increases in capital and operating costs, and improves the safety margin with respect to the risk of CO2 freeze-out.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: IPSI L.L.C
    Inventors: Guang Chung Lee, Ji Yu, Jame Yao, Sudhir Golikeri, Douglas Elliot
  • Publication number: 20090158737
    Abstract: Processes using multiple expansion turbines for efficient recovery of power from a plurality of very high pressure streams of superheated vapor are disclosed. Beneficially, processes of the invention use at least two classes of expansion turbines. Processes according to this invention are particularly useful for recovery of power from very high pressure streams of superheated steam in an olefins manufacturing process. Such streams are typically produced by thermal cracking of suitable petroleum derived feed stocks, and the olefins being produced and purified are typically ethylene and/or propylene.
    Type: Application
    Filed: December 15, 2005
    Publication date: June 25, 2009
    Applicant: INEOS USA LLC
    Inventors: Rik Klavers, Rian Reyneke, Guang-Chung Lee, Iain Sinclair, Wayne W.Y. Eng, Jeffery S. Logsdon, Christos G. Papadopoulos, Michael J. Foral
  • Patent number: 7437891
    Abstract: A process for the recovery and purification of ethylene and optionally propylene from a stream containing lighter and heavier components that employs an ethylene distributor column and a partially thermally coupled distributed distillation system.
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: October 21, 2008
    Assignee: Ineos USA LLC
    Inventors: Rian Reyneke, Michael J. Foral, Guang-Chung Lee, Wayne W. Y. Eng, Iain Sinclair, Jeffery S. Lodgson
  • Patent number: 7311813
    Abstract: This invention is an improved distillation sequence for the separation and purification of ethylene from a cracked gas. A hydrocarbon feed enters a C2 distributor column. The top of the C2 distributor column is thermally coupled to an ethylene distributor column, and the bottoms liquid of a C2 distributor column feeds a deethanizer column. The C2 distributor column utilizes a conventional reboiler. The top of the ethylene distributor is thermally coupled with a demethanizer column, and the bottoms liquid of the ethylene distributor feeds a C2 splitter column. The ethylene distributor column utilizes a conventional reboiler. The deethanizer and C2 splitter columns are also thermally coupled and operated at a substantially lower pressure than the C2 distributor column, the ethylene distributor column, and the demethanizer column. Alternatively, a hydrocarbon feed enters a deethanizer column.
    Type: Grant
    Filed: March 20, 2003
    Date of Patent: December 25, 2007
    Assignee: Ineos USA LLC
    Inventors: Rian Reyneke, Michael Foral, Christos G. Papadopoulos, Jeffrey S. Logsdon, Wayne W. Y. Eng, Guang-Chung Lee, Ian Sinclair
  • Patent number: 7152428
    Abstract: A refrigeration process is disclosed that employs a mixed refrigerant to chill a process gas stream in which a second stream is cooled against rewarming vaporized mixed refrigerant at low pressure and subsequently is at least partially vaporized against at least partially condensed mixed refrigerant at a higher pressure.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: December 26, 2006
    Assignee: BP Corporation North America Inc.
    Inventors: Guang-Chung Lee, Rian Reyneke, Michael J. Foral, Christos Papadopoulos, Wayne W. Y. Eng, Jeff Logsdon
  • Patent number: 7129387
    Abstract: An apparatus for recovering ethylene from a hydrocarbon feed stream, where the apparatus is a single distillation column pressure shell encasing an upper region and a lower region. The upper region houses an ethylene distributor rectifying section and the lower region houses a C2 distributor section and an ethylene distributor stripping section. Vapor passes from the lower region into the upper region, and liquid passes from the upper region to the lower region. The process for recovering the ethylene is also disclosed. The hydrocarbon feed stream is introduced into the C2 distributor section, and after a series of stripping and refluxing steps, distinct hydrocarbon products are recovered from the C2 distributor section, the ethylene distributor stripping section, and the ethylene distributor rectifying section, respectively.
    Type: Grant
    Filed: March 20, 2003
    Date of Patent: October 31, 2006
    Assignee: BP Corporation North America Inc.
    Inventors: Rian Reyneke, Michael J. Foral, Guang-Chung Lee
  • Patent number: 7082787
    Abstract: The recovery of ethylene from light gases at low temperature by the use of a mixed refrigeration system comprising methane, ehtylene and/or ethane, and propylene and/or propane.
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: August 1, 2006
    Assignee: BP Corporation North America Inc.
    Inventors: Guang-Chung Lee, Rian Reyneke, Michael J. Foral, Christos Papadopoulos, Wayne W. Y. Eng, Jeff Logsdon
  • Publication number: 20060135840
    Abstract: A process for the recovery and purification of ethylene and optionally propylene from a stream containing lighter and heavier components that employs an ethylene distributor column and a partially thermally coupled distributed distillation system.
    Type: Application
    Filed: December 20, 2004
    Publication date: June 22, 2006
    Inventors: Rian Reyneke, Michael Foral, Guang-Chung Lee, Wayne Eng, Iain Sinclair, Jeffery Logsdon
  • Publication number: 20060021377
    Abstract: A refrigeration process is disclosed that employs a mixed refrigerant to chill a process gas stream in which a second stream is cooled against rewarming vaporized mixed refrigerant at low pressure and subsequently is at least partially vaporized against at least partially condensed mixed refrigerant at a higher pressure.
    Type: Application
    Filed: July 30, 2004
    Publication date: February 2, 2006
    Inventors: Guang-Chung Lee, Rian Reyneke, Michael Foral, Christos Papadopoulos, Wayne Eng, Jeff Logsdon
  • Publication number: 20050198998
    Abstract: The recovery of ethylene from light gases at low temperature by the use of a mixed refrigeration system comprising methane, ehtylene and/or ethane, and propylene and/or propane.
    Type: Application
    Filed: March 9, 2004
    Publication date: September 15, 2005
    Inventors: Guang-Chung Lee, Rian Reyneke, Michael Foral, Christos Papadopoulos, Wayne Eng, Jeff Logsdon
  • Publication number: 20050154245
    Abstract: A process for recovering hydrogen from a mixed hydrocarbon stream wherein the mixed hydrocarbon stream is subjected to a separation technique to produce a substantially hydrogen enriched stream, which is then recovered as hydrogen product. A process for providing refrigeration duty to the process is also disclosed, wherein a substantially methane enriched stream arising from the separation technique is expanded to provide cooling duty for the process.
    Type: Application
    Filed: December 18, 2003
    Publication date: July 14, 2005
    Inventors: Rian Reyneke, Iain Sinclair, Guang-Chung Lee, Michael Floral, Jeffery Logsdon, Wayne Eng, Christos Papadopoulos
  • Publication number: 20040182751
    Abstract: An apparatus for recovering ethylene from a hydrocarbon feed stream, where the apparatus is a single distillation column pressure shell encasing an upper region and a lower region. The upper region houses an ethylene distributor rectifying section and the lower region houses a C2 distributor section and an ethylene distributor stripping section. Vapor passes from the lower region into the upper region, and liquid passes from the upper region to the lower region. The process for recovering the ethylene is also disclosed. The hydrocarbon feed stream is introduced into the C2 distributor section, and after a series of stripping and refluxing steps, distinct hydrocarbon products are recovered from the C2 distributor section, the ethylene distributor stripping section, and the ethylene distributor rectifying section, respectively.
    Type: Application
    Filed: March 20, 2003
    Publication date: September 23, 2004
    Inventors: Rian Reyneke, Michael J. Foral, Guang-Chung Lee
  • Publication number: 20040182752
    Abstract: This invention is an improved distillation sequence for the separation and purification of ethylene from a cracked gas. A hydrocarbon feed enters a C2 distributor column. The top of the C2 distributor column is thermally coupled to an ethylene distributor column, and the bottoms liquid of a C2 distributor column feeds a deethanizer column. The C2 distributor column utilizes a conventional reboiler. The top of the ethylene distributor is thermally coupled with a demethanizer column, and the bottoms liquid of the ethylene distributor feeds a C2 splitter column. The ethylene distributor column utilizes a conventional reboiler. The deethanizer and C2 splitter columns are also thermally coupled and operated at a substantially lower pressure than the C2 distributor column, the ethylene distributor column, and the demethanizer column. Alternatively, a hydrocarbon feed enters a deethanizer column.
    Type: Application
    Filed: March 20, 2003
    Publication date: September 23, 2004
    Inventors: Rian Reyneke, Michael Foral, Christos G. Papadopoulos, Jeffery S. Logsdon, Wayne W. Y. Eng, Guang-Chung Lee, Ian Sinclair