Patents by Inventor Clifford S. Riegel

Clifford S. Riegel 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).

  • Method of producing fluorinated organic compounds
    Publication number: 20010034465
    Abstract: A process for producing a fluorinated organic compound comprising: (a) reacting an organic starting material with a fluorination agent in the presence of a liquid fluorination catalyst under conditions which are effective to vaporize one or more chlorinated organic by-products and to produce a gaseous product stream containing said fluorinated organic compound and said one or more chlorinated organic by-products; and (b) recovering said fluorinated organic compound from said product stream, and a system for performing the aforementioned process and recovering the chlorinated by-product.
    Type: Application
    Filed: March 6, 2001
    Publication date: October 25, 2001
    Inventors: Charles F. Swain, Stephen A. Cottrell, Clifford S. Riegel, Curtis A. Brescher
  • Simplified self supporting scaffold structure having safety features
    Patent number: 4823913
    Abstract: Scaffold structure which is adapted to be positioned adjacent a wall and to engage a wall. The scaffold structure has a pair of legs which support a load support member. A brace is attached to the load support member and extends angularly therefrom. The brace has a portion which engages a wall so that the load support member is horizontal and the scaffold structure in a firm relationship with respect to the wall even though the brace is not attached to the wall.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: April 25, 1989
    Inventor: Clifford S. Riegel, Jr.