Patents by Inventor Ralph F. Schwarz

Ralph F. Schwarz 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 manufacturing gel candles having non-metal core wicks
    Patent number: 6090331
    Abstract: A method of manufacturing a gel candle having a non-metal core wick that stands upright and is not bent, wilted, or submerged in the gel candle body. In one aspect, the method includes providing a gel-forming liquid composition in a candle container having a longitudinal axis running therethrough, the gel-forming liquid composition having an average temperature of between about 195.degree. F. and about 230.degree. F.; thereafter, inserting a wick-clip having a non-metal core wick into the composition in the container when the temperature of the composition substantially in the center of the container is between about 160.degree. F. and about 195.degree. F.; and positioning the wick-clip in the composition in the container using a magnetic material. After the positioning step, the non-metal core wick is substantially aligned with the longitudinal axis of the container. In another aspect, the method can further include cooling the composition in the container.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: July 18, 2000
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Ralph F. Schwarz, Shannon J. Hennessy, Michael J. Rohrer