Patents by Inventor Philip A. Twardawa

Philip A. Twardawa 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: 4619424
    Abstract: A mechanical device is provided to link a payload and a parachute together prior to and during parachute dropping of the payload and provide for automatic separation of the payload from the parachute after the payload and parachute have landed. The payload is secured to either a shaft or housing of the device, and the parachute is secured to the other. The forces acting on the device during parachute dropping of the payload arm a mechanical system for releasably dis-associating the shaft and the housing, and when the payload has landed, the different forces prevalent on the system cause mechanical releasing of the shaft and housing. The device according to the present invention provides a novel method of parachute/payload separation and avoids the use of, and problems inherent with the use of, detonators which have been previously used for such purposes.
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: October 28, 1986
    Assignee: Her Majesty the Queen in right of Canada
    Inventors: Philip A. Twardawa, Michel C. St-Onge
  • Patent number: 4422383
    Abstract: The invention disclosed is a floating incendiary device adapted to be dropped from an aircraft onto a combustible material on a body of water. The device includes an incendiary composition in the form of a disc which is ignited peripherally and burns inwardly. The incendiary composition is sandwiched between a pair of discs which direct the resulting flame radially outwardly over the surface of the combustible material during the burn time of the incendiary composition for a time sufficient to raise the temperature of the combustible material to its fire point to produce ignition and selfsustaining combustion of the combustible material.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: December 27, 1983
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence
    Inventors: Joseph E. G. Couture, Philip A. Twardawa
  • Patent number: 4365557
    Abstract: The invention disclosed is a floating incendiary device adapted to be dropped from an aircraft onto a combustible material on a body of water. The device includes means for directing the resulting heat by convection and radiation to concentrate on a particular area of the combustible material for a time sufficient to raise the temperature of the combustible material to its fire point to produce ignition and self-sustaining combustion of the combustible material. A novel incendiary composition for use with the device is also disclosed.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: December 28, 1982
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence
    Inventors: Joseph E. G. Couture, Philip A. Twardawa