Patents by Inventor Richard L. Manteuffel

Richard L. Manteuffel 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).

  • Fibrous web for processing a fluid
    Patent number: 6074869
    Abstract: The present invention provides a melt-blown fibrous web with a high degree of weight uniformity. The present invention also provides methods of preparing, processing and using such fibrous webs, as well as products incorporating such fibrous webs.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: June 13, 2000
    Assignee: Pall Corporation
    Inventors: David B. Pall, Richard L. Manteuffel
  • Fibrous web for processing a fluid
    Patent number: 5846438
    Abstract: Melt-blown fibrous webs having a uniform structure for use in processing biological fluids are disclosed.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: December 8, 1998
    Assignee: Pall Corporation
    Inventors: David B. Pall, Richard L. Manteuffel
  • Fibrous web for processing a fluid
    Patent number: 5652050
    Abstract: Melt-blown fibrous webs having a uniform structure for use in processing biological fluids are disclosed.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: July 29, 1997
    Assignee: Pall Corporation
    Inventors: David B. Pall, Richard L. Manteuffel