Patents by Inventor Bernard Rudloff

Bernard Rudloff 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).

  • Apparatus for making a bonded felt web
    Patent number: 4123211
    Abstract: The disclosure is of apparatus for making a bonded felt web, wherein fibre flocks are carded and the separated fibres are mixed with powdered bonding agent and floated in air at sub-atmospheric pressure, collected on a perforated conveyor, then levelled and flattened.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: October 31, 1978
    Inventor: Bernard Rudloff
  • Process for manufacturing stratified materials
    Patent number: 3975483
    Abstract: The present invention provides novel rigid and flexible stratified shaped fiber-reinforced plastic aticles. These are produced by impregnating a layer of fibers with at least two different resins in powder form, the first of said resins being characterized by hardening at 60.degree. C - 100.degree. C, and the second of said resins hardening at a temperature of 110.degree.C - 200.degree.C at elevated pressure to form a resin impregnated fiber sheet. This sheet is first heated at the lower temperature, and then cut to form shaped sections which are positioned in a mold and heated to the higher temperature with the application of pressure to form the stratified shaped fiber-reinforced plastic article.
    Type: Grant
    Filed: November 6, 1970
    Date of Patent: August 17, 1976
    Inventor: Bernard Rudloff