Patents by Inventor Edmund Porter Crowdy

Edmund Porter Crowdy 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: 4049972
    Abstract: A turbo-alternator plant, particularly for shipboard use on waste-heat generated steam, in which the turbine and alternator rotors are coupled directly together governed to a speed giving a desired frequency of a.c. output.
    Type: Grant
    Filed: June 26, 1975
    Date of Patent: September 20, 1977
    Assignee: Hawthorn Leslie (Engineers) Limited
    Inventors: Edmund Porter Crowdy, Hector Fillippus Alexander Drentham-Susman
  • Patent number: 4026353
    Abstract: A heat exchanger for exhaust systems of reciprocating engines has its walls in the form of hollow panels with access from the exhaust gas duct to within the panels so that pressure pulsations in the exhaust gas act both on the inside and outside of flat plates forming the duct bounding surfaces of the panels.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: May 31, 1977
    Assignee: Hawthorn Leslie (Engineers) Limited
    Inventor: Edmund Porter Crowdy