ELECTRICALLY OPERATED AUTOMATIC DOOR OPENERS

Brand Owner (click to sort) Address Description
CADET YALE SECURITY INC. 1902 Airport Road Monroe NC 28110 Electrically operated automatic door openers and closers;
DOOR DYNAMICS ERICH INDUSTRIES, INC. 550 North Nine Mound Road Verona WI 53593 Electrically operated automatic door openers;DOOR;
DOOR DYNAMICS INC. Industrial Product Development, Inc. 2801 SE Bella Vista Loop Vancouver WA 98684 electrically operated automatic door openers;DOOR or INC.;
POWER OP Industrial Product Development, Inc. 2801 SE Bella Vista Loop Vancouver WA 98684 electrically operated automatic door openers;POWER;
SILVER CROWN Silver Crown Associates Limited Unit 3 Etruscan Trading Estate Etruria Road Hanley Stoke-on-Trent, Staffordshire ST1 5NH United Kingdom Electrically operated automatic door openers, and parts and fittings therefor;Bath lifts, parts and fittings therefor;
 

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

    
Technical Examples
  1. This invention encompasses an automated mechanism to remove a heavy and bulky insulating cover from an above-floor hot tub (or spa), and to provide a storage location for the cover when the tub is in use. The cover lifter can be fully automatic or semi automatic, and can be operated either electrically, or by fluid or air under pressure.