Patents by Inventor Don Rudolfs

Don Rudolfs 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).

  • Apparatus for washing drums
    Patent number: 6672320
    Abstract: A drum washer has a base, a barrel support structure, and a water delivery system. A hollow drum is turned over and placed on the drum washer by inserting a spray head of the water delivery system through a hole in a top cover of the drum and into the interior of the drum. The barrel support structure holds the drum at a fixed angle while water is sprayed from the spray head onto interior surfaces of the drum. The water rinses the interior surfaces of the drum and drains out the hole in the top cover of the drum.
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: January 6, 2004
    Assignee: LSI Logic Corporation
    Inventor: Don Rudolfs
  • Method and apparatus for washing drums
    Publication number: 20030150481
    Abstract: A drum washer has a base, a barrel support structure, and a water delivery system. A hollow drum is turned over and placed on the drum washer by inserting a spray head of the water delivery system through a hole in a top cover of the drum and into the interior of the drum. The barrel support structure holds the drum at a fixed angle while water is sprayed from the spray head onto interior surfaces of the drum. The water rinses the interior surfaces of the drum and drains out the hole in the top cover of the drum.
    Type: Application
    Filed: February 20, 2003
    Publication date: August 14, 2003
    Inventor: Don Rudolfs
  • Method and apparatus for washing drums
    Patent number: 6557566
    Abstract: A drum washer has a base, a barrel support structure, and a water delivery system. A hollow drum is turned over and placed on the drum washer by inserting a spray head of the water delivery system through a hole in a top cover of the drum and into the interior of the drum. The barrel support structure holds the drum at a fixed angle while water is sprayed from the spray head onto interior surfaces of the drum. The water rinses the interior surfaces of the drum and drains out the hole in the top cover of the drum.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: May 6, 2003
    Assignee: LSI Logic Corporation
    Inventor: Don Rudolfs