Patents by Inventor Frances J. Figiel

Frances J. Figiel 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: 4753735
    Abstract: A method, liquid and apparatus is disclosed that is capable of effectively removing contaminated liquids from nonabsorbent articles. Articles wet with such liquids are immersed in azeotropic mixtures. Liquid film is displaced by the azeotrope which, in turn, is purified through a still and recycled. Articles moved through a vapor phase are clean and dry. In a typical operation, articles to be cleansed and dried are introduced into the solvent then rinsed and then elevated into a vapor zone. Suitable heating coils maintain the desired temperatures in the various compartments. In the vapor zone, all liquid film is changed to vapor while the article temperature is raised above ambient to prevent moisture condensation on the surface of the article upon removal from the system. In the solvent treating or reprocessing compartment, solvent with any accumulated moisture contained is processed through a molecular sieve (solvent dessicant) and filtered and the solvent collected and recirculated.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: June 28, 1988
    Assignee: Allied-Signal Inc.
    Inventor: Frances J. Figiel