Patents by Inventor Seppo Jarvinen

Seppo Jarvinen 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: 5535786
    Abstract: A method for repairing flow conduits, such as pipe lines, wherein the inner surface of a conduit is provided with a flexible material, including a curing agent as well as a reinforcement layer, and the curing agent is hardened, the reinforcement layer comprising a knitted fabric, wherein the knitted fabric comprises reinforcement filaments which are separate from a fabric-forming yarn and extend inside the knitted fabric substantially in a single direction.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: July 16, 1996
    Assignee: Suomen Putkisaneeraus Oy
    Inventors: Seppo Makela, Seppo Jarvinen, Mikko Karttunen, Esa Suokas