Patents by Inventor Frances Gropp

Frances Gropp 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).

  • Device and process for production of a fibrous web
    Publication number: 20100206506
    Abstract: A machine and process for production of a fibrous web, with a forming section (2) in which the web is formed from a pulp suspension on a fabric (3) and with a final drying unit (4). In at least one further drying step, a rotatable dryer (5) with a hood (6) is located after the forming section (2) and before the final drying unit (4). The additional dryer (5) has a gas-impermeable exterior surface (7) which is directly heated by a combustion unit such a gas or oil fired burner (9).
    Type: Application
    Filed: February 13, 2009
    Publication date: August 19, 2010
    Inventors: Dan Clarahan, Ron Gropp, Frances Gropp, Paul Arnold