Patents by Inventor Emil P. Loch

Emil P. Loch 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).

  • Method of repairing a heating element in a pressurizer
    Patent number: 4255840
    Abstract: A method of installing an immersion heater in a pressurizer for a nuclear power plant by increasing the metal mass adjacent the weld which seals the juncture between the immersion heater and a nozzle in the pressurizer.
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: March 17, 1981
    Assignee: Westinghouse Electric Corp.
    Inventors: Emil P. Loch, Frank J. Mendolia
  • Method of positioning an explosive insert in a vertical tube
    Patent number: 4064618
    Abstract: A resilient insert for explosively expanding a tube in a tube sheet having a bore which receives an explosive cord, a counter bore, a sleeve which is fastened to the bored end of the insert to position the tube and a positioning wafer which positions the explosive cord within the insert.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: December 27, 1977
    Assignee: Westinghouse Electric Corporation
    Inventor: Emil P. Loch
  • Insert for explosively expanding a tube into engagement with a tube sheet
    Patent number: 4030419
    Abstract: A resilient insert for explosively expanding a tube in a tube sheet having a bore which receives an explosive cord, a counter bore, a sleeve which is fastened to the bored end of the insert to position the tube and a positioning wafer which positions the explosive cord within the insert.
    Type: Grant
    Filed: November 20, 1975
    Date of Patent: June 21, 1977
    Assignee: Westinghouse Electric Corporation
    Inventor: Emil P. Loch
  • Method of installing a sleeve in one end of a tube
    Patent number: 4028789
    Abstract: Method for explosively expanding sleeves into heat exchanger tubes disposed in a tube sheet utilizing shaped charges in conjunction welding and brazing techniques to affectuate tube modifications and repairs including the steps of shaping the sleeve, placing specially shaped inserts into the sleeves, varying the explosive charges within the inserts and varying the confinement of the explosive charge within the insert to explosively weld the sleeve to the tube, expand the sleeve to the tube, and/or expand the tube to engage the tube sheet and welding or brazing one end of the sleeve to the tube to form a seal.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: June 14, 1977
    Assignee: Westinghouse Electric Corporation
    Inventor: Emil P. Loch