Patents by Inventor Cornelius A. Hinsperger

Cornelius A. Hinsperger 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: 5070643
    Abstract: A method of protecting outdoor grass areas from dessication and winter kill; for enhancing seed germination both grass seed and flower and vegetable seeds; and for increasing soil temperature and stimulating early root and top growth. The method comprises encasing the area concerned with a cover comprising at least one panel of open weave scrim material formed by loosely woven thin and narrow UV stabilized strips of clear transparent plastic material having a non-uniform striped lace coating of highly UV stabilized plastic covering less than 50% of the surface area of the scrim permitting passage of air and moisture through the open weave of the scrim. For large areas a plurality of panels can be joined together as by sewing. The cover can be secured in position by wire stakes, and by ropes passing over the cover.
    Type: Grant
    Filed: July 6, 1988
    Date of Patent: December 10, 1991
    Inventor: Cornelius A. Hinsperger
  • Patent number: 4379351
    Abstract: A cover for a swimming pool or like body of water having a trap in the form of a pocket to retain accumulated debris during removal of the cover from the pool. An inwardly open pocket is provided along at least one peripheral edge of the cover and upper and/or lower sides of the pocket are perforate permitting the passage of water while retaining debris.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: April 12, 1983
    Inventor: Cornelius A. Hinsperger
  • Patent number: 4192025
    Abstract: A thermal blanket or cover for a swimming pool. The blanket consists of a covering of flexible plastic sheet material to which are secured strips of foam-backed plastic sheet material to provide flotation and reinforcement.
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: March 11, 1980
    Inventor: Cornelius A. Hinsperger
  • Patent number: D277642
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: February 19, 1985
    Inventor: Cornelius A. Hinsperger