Patents by Inventor Hubert H. Nowak

Hubert H. Nowak 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).

  • Monolithic converter
    Patent number: 4161509
    Abstract: A catalytic converter unit of the type used in internal combustion engine exhaust systems has a monolithic refractory catalyst element which is axially retained by means of annular spring washers.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: July 17, 1979
    Assignee: Tenneco., Inc.
    Inventor: Hubert H. Nowak
  • Radial flow catalytic converter having thermal expansion compensating means
    Patent number: 3989471
    Abstract: A catalytic converter unit of the type used in internal combustion engine exhaust systems has a monolithic refractory catalyst element which is axially retained by means of flat spring pads, such as metal mesh layers or spring washers, and may include a thermal compensation means to help offset different rates of expansion.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: November 2, 1976
    Assignee: Tenneco Inc.
    Inventor: Hubert H. Nowak