Patents by Inventor Bob G. Rowland

Bob G. Rowland 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).

  • Battery separator and method of making same
    Patent number: 5180647
    Abstract: A battery separator comprises a fibrous mat which is filled with a mixture of very fine mineral powder and a binder resin. The mat may be either woven or nonwoven and the filler material generally comprises silicon materials. The binder in selected from a group of organic resinous or plastic materials, such as latex. The separator may further comprise a second attached mat of mineral or organic fibers or ribs. Further, the separator may be crimped or embossed if desired.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: January 19, 1993
    Assignee: Evanite Fiber Corporation
    Inventors: Bob G. Rowland, George E. Monigold, Jr., Robert L. Brendle, Francis V. Rosse
  • Battery separator having coated ribs
    Patent number: 4113927
    Abstract: A battery separator having ribs on at least one side thereof and formed of a sintered resin, the rib tops having a coating thereon consisting of a low-density polyethylene wax.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: September 12, 1978
    Assignee: Evans Products Company
    Inventors: Peter E. Johnson, Bob G. Rowland