Patents by Inventor Irvin R. Dombrowski

Irvin R. Dombrowski 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).

  • Fan or wheel pulling device
    Patent number: 4174558
    Abstract: An improved device facilitates pulling the fan or wheel from a drive shaft, the hub of the fan or wheel being normally secured to the shaft by one or more setscrews, the device circumscribing the hub and being positively secured thereto by bolts received in the setscrew holes in the hub.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: November 20, 1979
    Inventor: Irvin R. Dombrowski