Patents by Inventor Frank J. Daly

Frank J. Daly 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: 5669733
    Abstract: A leaching system (10) includes arched leaching chamber sections (12) and an angled adapter (18) connected adjacent chamber sections at a 22.5.degree. angle. The adapter includes a first portion (122) having sidewalls (140, 142) spanned by a vaulted portion (144) and a female end collar (126). A second end portion (124) has sidewalls (140, 142) spanned by a vaulted portion (144) and a male end collar (130). The first and second end portions are connected at an arched, vertical ridge (136). The adapter connects the leaching chamber sections in a nonlinear configuration to curve the leaching system to follow contours and avoid obstacles.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: September 23, 1997
    Assignee: Hancor, Inc.
    Inventors: Frank J. Daly, Douglas O. Hamilton, H. John Sidaway