Patents by Inventor Melvin E. Casson

Melvin E. Casson 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).

  • Roller pump rotor with integral spring arms
    Patent number: 4184815
    Abstract: A fluid pump includes an upstanding wall on its base with a generally circular rotor spaced from and generally parallel to the wall to define a tube containing path therebetween with the rotor having at least one slot which defines the inner edge of an integral spring arm upon which a roller is mounted for making depressing contact with a resilient tube mounted in the path for forcing fluid through the tube and with the integral spring arm having sufficient resiliency to accommodate any back pressure developed in the tube.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: January 22, 1980
    Assignee: Extracorporeal Medical Specialties, Inc.
    Inventors: Melvin E. Casson, Albert E. Moore, George J. Berry, Sr.