Patents by Inventor Edwin A. Ohl

Edwin A. Ohl 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: 7155834
    Abstract: Laser alignment methods and apparatus are disclosed whereby pipe and similar materials may be aligned. The methods and apparatus are adapted to be utilized on the end of pipe or other material and thereby using as a reference point that pipe or other material with the reference beam generated by the laser providing a center reference point from the pipe on which the laser is mounted. In a preferred embodiment, the laser apparatus mounting is threaded so as to be used in mating relationship with the ends of complementarily threaded pipes. A preferred embodiment has a mounting adaptor for the laser that either has tapered steps or is shaped like a tapered cone so that a single adaptor can be friction fitted into pipes of different diameters.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: January 2, 2007
    Inventors: Charles E. Palumbo, III, Edwin A. Ohl
  • Publication number: 20020062570
    Abstract: Laser alignment methods and apparatus are disclosed whereby pipe and similar materials may be aligned. The methods and apparatus are adapted to be utilized on the end of pipe or other material and thereby using as a reference point that pipe or other material with the reference beam generated by the laser providing a center reference point from the pipe on which the laser is mounted. In a preferred embodiment, the laser apparatus mounting is threaded so as to be used in mating relationship with the ends of complementarily threaded pipes. Another preferred embodiment utilizes caps of various sizes, adapted to be placed on a pipe end, with mounting means for the laser.
    Type: Application
    Filed: July 20, 2001
    Publication date: May 30, 2002
    Inventors: Charles E. Palumbo, Edwin A. Ohl