Patents by Inventor Jan B. Coster

Jan B. Coster 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).

  • Swamp cooler blower fan hole cover
    Patent number: 9091455
    Abstract: A swamp cooler blower fan hole cover used to prevent heat loss from a building and through the swamp cooler blower fan housing. The cover includes an annular shaped, cover member. The cover member is dimensioned to cover a fan hole in a fan housing. The cover member includes two foldable side tabs. The side tabs are folded when slipped under shaft bearing support arms attached to the sides of the fan hole. The cover member includes a center hole with center hole tabs for receipt around a drive shaft. From the center hole of the cover member is a radius cut with fold lines folded outwardly when the center hole and tabs are received around the drive shaft.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: July 28, 2015
    Inventor: Jan B. Coster