Patents Assigned to Lasso Technik AG
  • Back-pressure safeguard
    Patent number: 9435110
    Abstract: The backflow prevention device consists of a funnel-shaped membrane and a clamping device for mounting in a pipe. The clamping device consists of a spread member expanding the membrane to the pipe cross section and pressing it against the pipe wall, and a support member supporting the spread member against the pipe wall.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: September 6, 2016
    Assignee: Lasso Technik AG
    Inventors: Daniel Rohrer, Roger Waser
  • BACK-PRESSURE SAFEGUARD
    Publication number: 20140290777
    Abstract: The backflow prevention device consists of a funnel-shaped membrane and a clamping device for mounting in a pipe. The clamping device consists of a spread member expanding the membrane to the pipe cross section and pressing it against the pipe wall, and a support member supporting the spread member against the pipe wall.
    Type: Application
    Filed: November 29, 2012
    Publication date: October 2, 2014
    Applicant: Lasso Technik AG
    Inventors: Daniel Rohrer, Roger Waser