Patents by Inventor Frederick R. Erxleben

Frederick R. Erxleben 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: 6923343
    Abstract: The present invention relates to a screw-on, manually operated sprayer and container. The sprayer has an inside threaded sprayer neck and the container has an outside threaded container neck upon which the inside threaded sprayer neck is attached. The present invention relates to the improvement of providing a child-resistant safety feature. This feature is a non-flexible collar attached to the outside of the sprayer neck and adapted to freely rotate about the sprayer neck to inhibit undesired unthreading or threading of the sprayer neck from or to the container neck. The collar has a continuous sidewall, an open top with a top rim, an open bottom with a bottom rim, positioning means located on the collar to maintain a predetermined position of the collar relative to the sprayer neck, antiremoval means located on the collar to prevent removal of the collar from the sprayer neck, and at least one flexible engagement means located on the sidewall.
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: August 2, 2005
    Inventor: Frederick R. Erxleben
  • Patent number: 6196423
    Abstract: The present invention relates to an improvement for a child resistant overcap with safety collar for screw-on pump sprayers. The device includes a main closure base for attachment to a container, an outer ring, a spray mechanism attached to the base and an overcap. The overcap is child resistant and can only be removed when corresponding protrusions and cut outs are in alignment. The sprayer mechanism has an inside threaded sprayer neck and the container has an outside threaded container neck upon which the threaded sprayer neck is attached. The device relates to the improvement of providing a child-resistant safety feature of including a non-flexible ring collar attached to the outside of the sprayer neck and adapted to rotate about the sprayer neck to inhibit undesired unthreading or threading of the sprayer neck from or to the container neck.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: March 6, 2001
    Assignee: Innopak, Inc.
    Inventor: Frederick R. Erxleben