Patents by Inventor John O. Hall

John O. Hall 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).

  • Patent number: 4189075
    Abstract: A combination canteen and packframe for hikers employing the hollow tubing and structural members of the packframe to store fluids, such as water and fuel, and having closable apertures for filling and draining. The horizontal tubing of the packframe allows fluid to communicate from one vertical tube to the other, and a pump may be mounted in the packframe for pressurizing the fluid stored therein.
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: February 19, 1980
    Inventor: John O. Hall
  • Patent number: 4001902
    Abstract: A bed comprising a hammock and insulated sleeping bag wherein the insulation of the bottom of the bag is placed underneath the hammock to avoid compression by the sleeper and the remainder of the bag is attached to the upper surface of the hammock to cover the occupant, with the hammock portion located between permanently attached edges of the bag serving as a block baffle to the insulation; and a tent combined with said bed to form a shelter by removably attaching the lower edges of the tent to the edges of the hammock, providing an apron to carry off water to below the line of attachment, and suspending the tent over the hammock and bag from the same two supports sustaining the hammock and using cords between the upper surface of the bag and the tent ridge to raise the upper portion of the bag for cooling when desired; and a similar bed for two sleepers equipped with movable cords or tapes running between the spreader bars to divide the hammock into separate sleeping places while allowing for varying weight
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: January 11, 1977
    Inventors: John O. Hall, Anna Cobb Hall
  • Patent number: 3949429
    Abstract: An animal commode which fits into a conventional toilet bowl in such a manner to permit both animal and human use of the toilet facility without mutual interference, and which is flushed by the normal flushing of the toilet bowl.
    Type: Grant
    Filed: August 16, 1973
    Date of Patent: April 13, 1976
    Inventor: John O. Hall
  • Patent number: D408942
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: April 27, 1999
    Assignee: Robert C. Fanning
    Inventors: Robert C. Fanning, John O. Hall