Patents by Inventor Marco Wildi

Marco Wildi 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).

  • Welding apparatus
    Patent number: 10052816
    Abstract: A welding apparatus for welding overlapping plastic material webs along edges of the overlapping plastic material webs, the welding apparatus including a chassis; and a heating device arranged at the chassis and configured for melting the edges of the overlapping plastic material webs, wherein the chassis includes a support frame which includes at least two running rollers that are arranged offset from each other, at least two pressing and feed rollers that are arranged opposite to each other, wherein a lower pressing and feed roller of the at least two running and feed rollers is fixated at the support frame and an upper pressing and feed roller of the at least two running and feed rollers is pivotably supported at the support frame, and at least one drive unit with a transmission, wherein the at least two running rollers are configured for supporting the chassis on a base.
    Type: Grant
    Filed: February 19, 2017
    Date of Patent: August 21, 2018
    Assignee: Lelster Technologies AG
    Inventors: Flavio Sigrist, Marco Wildi
  • WELDING APPARATUS
    Publication number: 20170274578
    Abstract: A welding apparatus for welding overlapping plastic material webs along edges of the overlapping plastic material webs, the welding apparatus including a chassis; and a heating device arranged at the chassis and configured for melting the edges of the overlapping plastic material webs, wherein the chassis includes a support frame which includes at least two running rollers that are arranged offset from each other, at least two pressing and feed rollers that are arranged opposite to each other, wherein a lower pressing and feed roller of the at least two running and feed rollers is fixated at the support frame and an upper pressing and feed roller of the at least two running and feed rollers is pivotably supported at the support frame, and at least one drive unit with a transmission, wherein the at least two running rollers are configured for supporting the chassis on a base.
    Type: Application
    Filed: February 19, 2017
    Publication date: September 28, 2017
    Inventors: Flavio Sigrist, Marco Wildi