Patents by Inventor Martinus Jozef Maria Verhoofstad

Martinus Jozef Maria Verhoofstad 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).

  • Hardening of flexible trailing arms
    Patent number: 8480104
    Abstract: The invention relates to a method for manufacturing of a flexible trailing arm for a wheel axle suspension of a vehicle such as a lorry or a trailer. In the method a steel blank is heated. Next, the blank is formed into the desired shape of the trailing arm by means of a suitable forming process. Following that the trailing arm is austempered by cooling it in a warm fluid medium.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: July 9, 2013
    Assignee: Weweler Nederland B.V.
    Inventors: Derk Geert Aalderink, Martinus Jozef Maria Verhoofstad
  • HARDENING OF FLEXIBLE TRAILING ARMS
    Publication number: 20110254243
    Abstract: The invention relates to a method for manufacturing of a flexible trailing arm for a wheel axle suspension of a vehicle such as a lorry or a trailer. In the method a steel blank is heated. Next, the blank is formed into the desired shape of the trailing arm by means of a suitable forming process. Following that the trailing arm is austempered by cooling it in a warm fluid medium.
    Type: Application
    Filed: November 19, 2009
    Publication date: October 20, 2011
    Applicant: WEWELER NEDERLAND B.V.
    Inventors: Derk Geert Aalderink, Martinus Jozef Maria Verhoofstad