Patents by Inventor Shirley Collins

Shirley Collins 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).

  • Portable Power Device
    Publication number: 20130264806
    Abstract: A portable power device for powering an existing crankshaft operated semi trailer landing gear is disclosed. The portable power device comprises a motor for rotating a drive shaft with an engaging end. An opening in the drive shaft fits over the engaging end for mating with the existing crankshaft once a hand crank is removed. The portable power device further comprises a plurality of sockets for engaging a lug nut.
    Type: Application
    Filed: April 8, 2013
    Publication date: October 10, 2013
    Inventor: Shirley Collins