Patents by Inventor Loerwood C. Wasson

Loerwood C. Wasson 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).

  • System for protecting metal structures against corrosion
    Patent number: 4752368
    Abstract: A corrosion protection system comprises a circuit which includes rectifiers connecting the structure being protected to an alternating current source for producing negative current flow from the source to the device. An impedance is connected in circuit with the rectifier and the structure and a control is connected to the rectifier for applying a voltage thereto which controls the electron current flowing through the impedance to the structure.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: June 21, 1988
    Inventor: Loerwood C. Wasson
  • Cathodic protection system
    Patent number: 3953311
    Abstract: A cathodically protected internal joint between two tubular members coupled together and which are provided as part of a fluid conducting system. One of the tubular members tends to be anodic to the other tubular member. In order to prevent corrosion dissipation of the more anodic tubular member, material more anodic than the tubular members is provided internally of the joint to provide cathodic protection to the fluid exposed inner surface of the tubular members at the joint area by release of electrons outwardly of the anodic material.
    Type: Grant
    Filed: April 25, 1974
    Date of Patent: April 27, 1976
    Assignee: A. O. Smith Corporation
    Inventor: Loerwood C. Wasson