Patents by Inventor Philippe Alexandre

Philippe Alexandre 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).

  • Valve seat construction for valves for controlling the pressure of liquids
    Patent number: 4040442
    Abstract: Improvements in the seats of valves for controlling the pressure of liqui consisting in arranging the seat of the shutter of the valve in a sliding configuration in a recess of the valve body and maintaining the seat in a normal position by its bearing on a shoulder of the recess under the effect of the pressure in the pipe.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: August 9, 1977
    Assignee: Societe Generale de Constructions Electriques et Mecaniques Alsthom
    Inventor: Philippe Alexandre
  • Method for adjusting an automatic sluice with a view to ensuring a determined level
    Patent number: 4027487
    Abstract: Method for adjusting an automatic sluice for it to ensure a constant upstm level at a determined level mark above or below its axis of oscillation, consisting in inserting a certain quantity of water into the float, effecting normally the balancing of the sluice by counterweights, the regulated level then being that of the axis of oscillation of the sluice, then adding or removing water in the float, causing, by the corresponding weighing down or lightening of the latter, the required shift in height of the previously regulated level.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: June 7, 1977
    Assignee: Societe Generale de Constructions Electriques et Mecaniques (Alsthom)
    Inventor: Philippe Alexandre