Patents by Inventor Larz Ignberg

Larz Ignberg 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).

  • COPPER ALLOY FOR HEAT EXCHANGER TUBE
    Publication number: 20160363397
    Abstract: An alloy comprising copper, nickel, tin and, optionally, phosphorus which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
    Type: Application
    Filed: August 26, 2016
    Publication date: December 15, 2016
    Inventors: M. Parker Finney, Larz Ignberg, Claes Anders Kamf, Timothy L. Goebel, Ying Gong, Edward G. Rottmann
  • Copper Alloys and Heat Exchanger Tubes
    Publication number: 20130264040
    Abstract: Alloys comprising copper, iron, tin and, optionally, phosphorus or copper, zinc, tin and, optionally, phosphorus, which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
    Type: Application
    Filed: June 10, 2013
    Publication date: October 10, 2013
    Inventors: M. Parker Finney, Larz Ignberg, Claes Anders Kamf, Timothy L. Goebel, Ying Gong, Edward G. Rottmann
  • Copper alloys and heat exchanger tubes
    Patent number: 8470100
    Abstract: Alloys containing copper, iron, tin and, optionally, phosphorus or copper, zinc, tin and, optionally, phosphorus, which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: June 25, 2013
    Assignee: Luvata Espoo Oy
    Inventors: M. Parker Finney, Larz Ignberg, Claes Anders Kamf, Timothy L. Goebel, Ying Gong, Edward G. Rottmann
  • Copper Alloys and Heat Exchanger Tubes
    Publication number: 20110180244
    Abstract: Alloys comprising copper, iron, tin and, optionally, phosphorus or copper, zinc, tin and, optionally, phosphorus, which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
    Type: Application
    Filed: November 24, 2010
    Publication date: July 28, 2011
    Inventors: M. Parker Finney, Larz Ignberg, Claes Anders Kamf, Timothy L. Goebel, Ying Gong, Edward G. Rottmann
  • Copper Alloy for Heat Exchanger Tube
    Publication number: 20110005739
    Abstract: An alloy comprising copper, nickel, tin and, optionally, phosphorus which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
    Type: Application
    Filed: July 8, 2010
    Publication date: January 13, 2011
    Inventors: M. Parker Finney, Larz Ignberg, Anders Kamf, Timothy L. Goebel, Ying Gong, Edward G. Rottmann
  • Extrusion of a Metal Alloy Containing Copper and Zinc
    Publication number: 20080202653
    Abstract: The invention relates to a method for producing a metal alloy product (19) containing at least some amount of ?-phase brass by extrusion, a metal alloy product produced by extrusion of metal alloy containing at least some amount of ?-phase brass, an extrusion die (15) for extrusion of a metal alloy containing copper and zinc, and at least some amount of ?-phase, an extrusion device, and a use of a metal alloy for extrusion.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 28, 2008
    Applicant: LUVATA OY
    Inventor: Larz Ignberg