COMMERCIAL SECTIONAL OVERHEAD DOOR OPERATORS

Brand Owner Address Description
DYNA-HOIST Raynor Canada Corp. 5100 Timberlea Blvd. Mississauga L4W2S5 Canada Commercial sectional overhead door operators and openers in the nature of electric door openers, electric door opening and closing system;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A hydraulic door opening mechanism for overhead bi-fold doors is herein disclosed. The door opening mechanism mounts a hydraulic pump, pressure reservoir, valve manifold, and a hydraulic motor or cylinder on a first door panel. The door opening mechanism is pre-assembled with the doorframe prior to mounting the door in the door opening.