Patents by Inventor Michael J. Calleja

Michael J. Calleja 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).

  • Publication number: 20020144966
    Abstract: A warehouse material-rack safety-netting system comprises left and right vertical extension posts that bolt to the face of the top bay of an open material rack. A two-part curtain netting that parts in the middle is supported between horizontal, parallel top-and-bottom wire ropes on hooks. The left and right edges of the curtain netting are hooked to the vertical extension posts with carabiners. In order to reduce inadvertent snagging, these hooks and wire ropes are critically attached along the middle line of the inside opposite-facing edges of the vertical extension posts. The front aisle-facing edges of these vertical extension posts are smooth and no part of the curtain netting extends past them when the curtains are fully closed. A latch is provided at the center to secure the two-parts of the curtain netting together.
    Type: Application
    Filed: March 13, 2002
    Publication date: October 10, 2002
    Inventor: Michael J. Calleja
  • Publication number: 20020144965
    Abstract: A pallet rack safety net system comprises two parallel horizontal wire ropes that are stretched along the top and bottom edges of a shelf opening. A pair of hung left and right screens of flexible netting are attached between the top and bottom wire ropes so that they can be horizontally separated at the middle of the shelf opening. The inside vertical edges of each screen are finished with a metal bar and a clasp so the screens can be latched together at the middle. The outside left and right edges of the screens are secured to the outside of the shelf opening. If used on a top shelf that has no supports at each side of the opening, a pair of support posts are included that hold aloft the top horizontal wire rope. A network of stays and guys are used to reinforce each such post.
    Type: Application
    Filed: April 4, 2001
    Publication date: October 10, 2002
    Inventor: Michael J. Calleja
  • Patent number: 6402167
    Abstract: A pallet cart comprises four corner adapters that lock on to respective corners of an ordinary wooden pallet. A pair of ladder frames have vertical posts that fit at the bottom into each of the four corner adapters. The ladder frames support a system of wire-frame shelves at various parallel levels above the pallet. The pieces can be disassembled to lie flat.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: June 11, 2002
    Inventor: Michael J. Calleja
  • Patent number: 6086033
    Abstract: A displayer panel system comprises a universal hinge that can be used for top, middle, and bottom, and either left and right. The hinge has a parallelogramatical post that sticks out and bears the weight of a frame on a plastic wedge shaped disk attached to the frame bosses. A set of pins through the bosses, the plastic wedges, and the posts allow the frame to swing left and right out from a storage rack column. A double-pronged hook allows left or right corner face attachment of the hinge to slots in the storage rack column.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: July 11, 2000
    Inventor: Michael J. Calleja