Patents by Inventor Petrus Johannes Maria Elands

Petrus Johannes Maria Elands 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).

  • Hydrazinium nitroformate based high performance solid propellants
    Patent number: 6916388
    Abstract: The present invention is directed to a solid propellant for rocket motors, gas generators and comparable devices, comprising a cured composition of hydrazinium nitroformate and an unsaturated hydroxyl terminated hydrocarbon compound.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: July 12, 2005
    Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO
    Inventors: Jeroen Louwers, Antonius Eduard Dominicus Maria Van Der Heijden, Petrus Johannes Maria Elands
  • Monopropellant system
    Patent number: 6755990
    Abstract: “The invention is directed to a monopropellant composition for propulsion and/or gas generation, comprising a solution of hydrazinium nitroformate (HNF) and/or ammonium dinitramide (ADM) in water and/or an alkanol.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: June 29, 2004
    Inventors: Ronald Peter van den Berg, Petrus Johannes Maria Elands, Johannes Maria Mul
  • Monopropellant system
    Publication number: 20040088910
    Abstract: The invention is directed to a monopropellant composition for propulsion and/or gas generation, comprising a solution of hydrazinium nitroformate (HNF) and/or ammonium dinitramide (ADN) in water and/or an alkanol.
    Type: Application
    Filed: September 29, 2003
    Publication date: May 13, 2004
    Inventors: Ronald Peter Van Den Berg, Petrus Johannes Maria Elands, Johannes Maria Mul