Patents by Inventor Henri Schalk

Henri Schalk 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).

  • Crash barrier and method of erecting
    Patent number: 6036399
    Abstract: A crash barrier that includes barrier sections that are overlappingly joined in assembly. Each section includes a concave center segment cojoined to upper and lower convex sections. Elongated longitudinally extended studs are punched out of one end of each section within the concave center segment. The studs are arranged to engage receiving slots in the other end of each section to facilitate assembly and alignment of the sections upon vertically disposed posts that are driven into the ground. A special machine for assembling and aligning the sections with the support posts is also disclosed.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: March 14, 2000
    Assignee: Les Profiles du Centre S.A.
    Inventor: Henri Schalk