Patents by Inventor Ching-Tsan Lo

Ching-Tsan Lo 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).

  • Abrasion resistant hulling rolls from carboxylated nitrile rubber
    Patent number: 4897440
    Abstract: An improved, abrasion-resistant rice hulling roll comprises a core with coating of a nitrile rubber compound, particularly a carboxylated nitrile rubber compound. The hulling rolls of this invention are characterized by substantially improved wear life as compared to conventional rolls made of styrene-butadiene rubber (SBR). The nitrile rubbers are also useful in other wear-resistant applications.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: January 30, 1990
    Inventor: Ching-Tsan Lo