Patents by Inventor William K. Gunderson

William K. Gunderson 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: 7617994
    Abstract: A sprinkler head housing for allowing access to sprinkler heads and shafts for maintenance and repair. More particularly, the present invention relates to a device which allows for, and encloses, a working space around underground sprinkler heads. The device is placed around a sprinkler shaft in the ground and the plant material is placed on its outside. The top of the sprinkler head sits above the device. When the sprinkler needs to be accessed, the top of the device can be removed and an open interior space remains where a user can place his/her hands and/or tools to repair or replace a sprinkler head. This invention may be installed when the underground sprinkler system itself is first installed or alternatively may be installed at each sprinkler head as needed.
    Type: Grant
    Filed: May 28, 2008
    Date of Patent: November 17, 2009
    Inventors: William K. Gunderson, Lyle D. Ungerecht
  • Publication number: 20080302883
    Abstract: A protective sprinkler head housing for allowing access to sprinkler heads and shafts for maintenance and repair. More particularly, the present invention relates to a device which allows for, and encloses, a working space around underground sprinkler heads. The device is placed around a sprinkler shaft in the ground and the plant material is placed on its outside. The top of the sprinkler head sits above the device. When the sprinkler needs to be accessed, the top of the device can be removed and an open interior space remains where a user can place his/her hands and/or tools to repair or replace a sprinkler head. This invention may be installed when the underground sprinkler system itself is first installed or alternatively may be installed at each sprinkler head as needed.
    Type: Application
    Filed: May 28, 2008
    Publication date: December 11, 2008
    Inventors: William K. Gunderson, Lyle D. Ungerecht
  • Patent number: 5577430
    Abstract: A device is provided for facilitating the cutting of an object, such as a food product, into slices. The device includes an indexing assembly having a rotatable indexing disc which may be moved to various positions corresponding to the desired thickness of the slice and having an indexing pin which, when seated in a predetermined notch, prevents rotation of the indexing disc against which the food product is abutted and maintains the indexing disc in position when slicing the food product.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: November 26, 1996
    Inventors: Glenn K. Gunderson, William K. Gunderson