Patents by Inventor Friedrich Eduard Purkert

Friedrich Eduard Purkert 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: 8235709
    Abstract: A valve useful in distributing gas received in one inlet to several outlets in a sequence, and burner apparatus including this valve for feeding material in sequence to outlets of a burner thereby forming a non-stationary flame at the burner.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: August 7, 2012
    Assignee: Praxair Technology, Inc.
    Inventors: James Patrick Meagher, Mark Allen Kailburn, William Thoru Kobayashi, Bryan R. Bielec, Friedrich Eduard Purkert
  • Publication number: 20120009533
    Abstract: A valve useful in distributing gas received in one inlet to several outlets in a sequence, and burner apparatus including this valve for feeding material in sequence to outlets of a burner thereby forming a non-stationary flame at the burner.
    Type: Application
    Filed: September 20, 2011
    Publication date: January 12, 2012
    Inventors: James Patrick Meagher, Mark Allen Kailburn, William Thoru Kobayashi, Bryan R. Bielec, Friedrich Eduard Purkert
  • Patent number: 8033295
    Abstract: A valve useful in distributing gas received in one inlet to several outlets in a sequence, and burner apparatus including this valve for feeding material in sequence to outlets of a burner thereby forming a non-stationary flame at the burner.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: October 11, 2011
    Assignee: Praxair Technology, Inc.
    Inventors: James Patrick Meagher, Mark Allen Kailburn, Willam Thoru Kobayashi, Bryan R Bielec, Friedrich Eduard Purkert
  • Publication number: 20080191160
    Abstract: A valve useful in distributing gas received in one inlet to several outlets in a sequence, and burner apparatus including this valve for feeding material in sequence to outlets of a burner thereby forming a non-stationary flame at the burner.
    Type: Application
    Filed: February 8, 2008
    Publication date: August 14, 2008
    Applicant: PRAXAIR TECHNOLOGY, INC.
    Inventors: James Patrick MEAGHER, Mark Allen KAILBURN, Willam Thoru KOBAYASHI, Bryan R. BIELEC, Friedrich Eduard PURKERT
  • Publication number: 20070089796
    Abstract: The present invention relates to systems to supply medical grade air in which critical flow conditions for delivering oxygen and nitrogen to a system are provided. The ratio of pressure downstream of the orifices to the pressure upstream of orifices for the oxygen and nitrogen is maintained near or below critical pressure ratio.
    Type: Application
    Filed: October 26, 2005
    Publication date: April 26, 2007
    Inventors: Tamara Electra Brown, Bradley Hagstrom, Bernard Thomas Neu, Friedrich Eduard Purkert, M. Ahmed