Patents by Inventor Joseph Alfred Weber

Joseph Alfred Weber 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).

  • Cryogenic air separation method with temperature controlled condensed feed air
    Patent number: 7487648
    Abstract: A method for the cryogenic separation of air having defined temperatures for condensed feed air passed into a double column system relative to liquid oxygen and preferably to shelf vapor, and wherein kettle liquid is not subcooled from the higher pressure column to the lower pressure column.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: February 10, 2009
    Assignee: Praxair Technology, Inc.
    Inventors: Joseph Alfred Weber, M. Mushtaq Ahmed, Todd Alan Skare, Neil Mark Prosser
  • Cryogenic rectification system for neon production
    Patent number: 7299656
    Abstract: A cryogenic rectification system employing a phase separator, which may include one or more trays, in conjunction with a double column air separation plant, wherein some shelf liquid is subcooled and phase separated to produce crude neon vapor, and the remaining liquid is used to reflux the lower pressure column of the double column plant.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: November 27, 2007
    Assignee: Praxair Technology, Inc.
    Inventors: Joseph Alfred Weber, Neil Mark Prosser
  • Cryogenic air separation system with enhanced liquid capacity
    Patent number: 6779361
    Abstract: A cryogenic air separation system having enhanced liquid production capacity wherein a feed air stream bypasses the primary heat exchanger and is processed through cooling and warming passes of a feed air liquefier to produce liquid feed air for introduction into the cryogenic air separation plant.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: August 24, 2004
    Assignee: Praxair Technology, Inc.
    Inventors: Todd Alan Skare, Sean Durbin, Joseph Alfred Weber
  • Variable load refrigeration system particularly for cryogenic temperatures
    Patent number: 6426019
    Abstract: A method for generating refrigeration, especially over a wide temperature range including cryogenic temperatures, wherein a non-toxic, non-flammable and low or non-ozone-depleting mixture is formed from defined components and maintained in variable load form through compression, cooling, expansion and warming steps in a refrigeration cycle.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: July 30, 2002
    Assignee: Praxair Technology, Inc.
    Inventors: Arun Acharya, Bayram Arman, Walter Joseph Olszewski, Dante Patrick Bonaquist, Joseph Alfred Weber
  • Cryogenic rectification system with pulse tube refrigeration
    Patent number: 6269658
    Abstract: A cryogenic rectification system wherein some or all of the refrigeration necessary to drive the rectification is generated by providing a pulse to a gas and then passing the compressed gas to a pulse tube wherein the gas expands in a wave generating refrigeration at one end of the pulse tube for transfer into the rectification system.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: August 7, 2001
    Assignee: Praxair Technology, Inc.
    Inventors: John Henri Royal, Arun Acharya, Christian Friedrich Gottzmann, Dante Patrick Bonaquist, Bayram Arman, Joseph Alfred Weber
  • Cryogenic air separation process for producing liquid oxygen
    Patent number: 6260380
    Abstract: A cryogenic air separation process for producing liquid oxygen and other liquid products wherein refrigeration generation for the process is decoupled from the flow of process streams and is produced at least in part by at least on multicomponent refrigerant fluid refrigeration circuit.
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: July 17, 2001
    Assignee: Praxair Technology, Inc.
    Inventors: Bayram Arman, Dante Patrick Bonaquist, Joseph Alfred Weber, Mark Edward Vincett
  • Cryogenic air separation process for producing elevated pressure gaseous oxygen
    Patent number: 6253577
    Abstract: A cryogenic air separation process having improved flexibility and operating efficiency for producing elevated pressure gaseous oxygen by vaporizing pressurized liquid oxygen wherein refrigeration generation for the process is decoupled from the flow of process streams and is produced by one or more multicomponent refrigerant fluid circuits.
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: July 3, 2001
    Assignee: Praxair Technology, Inc.
    Inventors: Bayram Arman, Dante Patrick Bonaquist, Joseph Alfred Weber, Mark Edward Vincett
  • Cryogenic air separation process for producing gaseous nitrogen and gaseous oxygen
    Patent number: 6230519
    Abstract: A cryogenic air separation process having improved flexibility and operating efficiency wherein refrigeration generation for the process is decoupled from the flow of process streams and is produced by one or more closed loop circuits.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: May 15, 2001
    Assignee: Praxair Technology, Inc.
    Inventors: Bayram Arman, Dante Patrick Bonaquist, Joseph Alfred Weber, Mark Edward Vincett
  • Cryogenic rectification method for producing nitrogen gas and liquid nitrogen
    Patent number: 6125656
    Abstract: A cryogenic rectification method wherein both nitrogen gas and liquid are efficiently produced from air employing one or two columns wherein refrigeration to drive the cryogenic separation is provided by a, preferably closed loop, multicomponent refrigerant fluid refrigeration circuit.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: October 3, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Bayram Arman, Dante Patrick Bonaquist, Joseph Alfred Weber, John Harold Ziemer, Arun Acharya, Mohannad Abdul-Aziz Rashad
  • Cryogenic rectification system and hybrid refrigeration generation
    Patent number: 6112550
    Abstract: A system for generating refrigeration and providing the refrigeration into a cryogenic rectification plant wherein, in addition to refrigeration generated by turboexpansion, further refrigeration for the plant is generated by a recirculating multicomponent refrigerant in a refrigeration circuit.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: September 5, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Dante Patrick Bonaquist, Bayram Arman, Joseph Alfred Weber, Walter Joseph Olszewski, Mark Edward Vincett
  • Multiple circuit cryogenic liquefaction of industrial gas
    Patent number: 6105388
    Abstract: A method for more efficiently cooling and liquefying industrial gas wherein refrigeration for the cooling and liquefaction is generated using first and second defined multicomponent refrigerant fluids in separate refrigeration circuits to cover a wide temperature range from ambient to cryogenic temperature.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: August 22, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Arun Acharya, Bayram Arman, Joseph Alfred Weber, Vijayaraghavan Srinivasan, Jeffert John Nowobilski, James Smolarek, Neno Todorov Nenov
  • Variable load refrigeration system particularly for cryogenic temperatures
    Patent number: 6076372
    Abstract: A method for generating refrigeration, especially over a wide temperature range including cryogenic temperatures, wherein a non-toxic, non-flammable and low or non-ozone-depleting mixture is formed from defined components and maintained in variable load form through compression, cooling, expansion and warming steps in a refrigeration cycle.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: June 20, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Arun Acharya, Bayram Arman, Walter Joseph Olszewski, Dante Patrick Bonaquist, Joseph Alfred Weber
  • Multicomponent refrigerant cooling with internal recycle
    Patent number: 6065305
    Abstract: A system for cooling a fluid particularly to a cryogenic temperature wherein a multicomponent refrigerant fluid is partially condensed, the liquid used to generate refrigeration to cool the product by recycle into an upstream portion of the warming leg of the refrigeration circuit, and the vapor, having a different composition than the liquid, is used to generate refrigeration at a colder temperature for further cooling of the product.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: May 23, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Bayram Arman, Walter Joseph Olszewski, Joseph Alfred Weber, Dante Patrick Bonaquist, Arun Acharya, John Henri Royal
  • Method for carrying out subambient temperature, especially cryogenic, separation using refrigeration from a multicomponent refrigerant fluid
    Patent number: 6053008
    Abstract: A method for low temperature separation of fluids wherein the separation process is sustained by refrigeration generated by a recirculating multicomponent refrigerant fluid.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: April 25, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Bayram Arman, Dante Patrick Bonaquist, Joseph Alfred Weber, Mark Edward Vincett
  • Cryogenic industrial gas liquefaction with hybrid refrigeration generation
    Patent number: 6041620
    Abstract: A method for liquefying an industrial gas wherein a portion of the requisite refrigeration is generated by a multicomponent refrigerant circuit and a portion is generated by turboexpansion of either a portion of the industrial gas or a portion of the multicomponent refrigerant.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: March 28, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Walter Joseph Olszewski, Bayram Arman, Arun Acharya, Joseph Alfred Weber, Mohammad Abdul-Aziz Rashad
  • Single circuit cryogenic liquefaction of industrial gas
    Patent number: 6041621
    Abstract: A method for more efficiently liquefying industrial gas wherein refrigeration for the liquefaction is generated using a defined multicomponent refrigerant fluid and provided by a single flow circuit over a wide temperature range from ambient to cryogenic temperature.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: March 28, 2000
    Assignee: Praxair Technology, Inc.
    Inventors: Walter Joseph Olszewski, Bayram Arman, Joseph Alfred Weber, Arun Acharya
  • Gas recycle for float glass system
    Patent number: 5925158
    Abstract: A method for cleaning and recycling protective atmosphere for a float glass facility wherein contaminated protective atmosphere is cooled, preferably while scrubbing out particulates, compressed, and then purified by passage through a bed comprising water selective and hydrogen sulfide selective adsorbents.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: July 20, 1999
    Assignee: Praxair Technology, Inc.
    Inventors: Joseph Alfred Weber, Theodore Fringelin Fisher, Dante Patrick Bonaquist
  • Air separation float glass system
    Patent number: 5888265
    Abstract: A cryogenic air separation plant or a combined pressure swing adsorption plant and membrane separation plant is integrated with a float glass manufacturing system wherein oxygen from the plant is used for oxy-fuel combustion in the melt furnace and nitrogen from the plant is used as a protective atmosphere in the float glass forming chamber.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: March 30, 1999
    Assignee: Praxair Technology, Inc.
    Inventors: Dante Patrick Bonaquist, Joseph Alfred Weber, Theodore Fringelin Fisher
  • System for producing cryogenic liquefied industrial gas
    Patent number: 5799505
    Abstract: A system for producing cryogenic liquefied industrial gas, especially useful in conjunction with a non-cryogenic industrial gas production facility, wherein the output of the industrial gas production facility is pressurized, a portion passed to the use point, and another portion is condensed against a turboexpanded stream which is also taken from the pressurized gas.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: September 1, 1998
    Assignee: Praxair Technology, Inc.
    Inventors: Dante Patrick Bonaquist, Nancy Rose Cribbin, Joseph Alfred Weber, John Fredric Billingham, Neno Todorov Nenov
  • Cryogenic hybrid system for producing high purity argon
    Patent number: 5730003
    Abstract: A system for producing high purity argon wherein crude argon produced in a cryogenic rectification plant is processed in a pressure swing adsorption unit. Residual gas from the pressure swing adsorption unit is recycled to the cryogenic rectification plant and high purity argon is cooled prior to recovery against oxygen-containing fluid which is subsequently passed into the cryogenic rectification plant.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: March 24, 1998
    Assignee: Praxair Technology, Inc.
    Inventors: Tu Cam Nguyen, Mohamed Safdar Allie Baksh, Dante Patrick Bonaquist, Joseph Alfred Weber