Patents by Inventor Ralph E. Cain, Jr.

Ralph E. Cain, Jr. 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).

  • Patent number: 5238455
    Abstract: An omni-directional rocking apparatus includes a rocking base assembly and seating assembly. The rocking base assembly comprises at least two arched transverse members with distally disposed contoured stops adapted to limit the range of rocking motion in any direction. In one preferred embodiment, the rocking apparatus is constructed as a tip-resistant, omni-directional riding toy wherein the seating assembly comprises a simulated animal body, vehicle or other conveyance device.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: August 24, 1993
    Assignee: Sequoia Wood Designs, Inc.
    Inventors: Ralph E. Cain, Jr., Fred H. Yeatts
  • Patent number: 4157501
    Abstract: The meter is primarily adapted to replace a standard analog panel meter and is designed to selectively receive different ranges of input signals such as DC input signals in ranges extending from 50 mVDC to 500 VDC. In the disclosed embodiment there are four ranges also adapted to receive AC input signals in ranges extending from 100 mVAC to 480 VAC. Preferably, a jumper is used to select the different ranges. The jumper is readily accessible at the rear of the meter. The meter circuitry comprises an analog to digital converter having three digit, seven segment display and input circuitry including a range circuit, an operational amplifier and filter circuitry coupling serially to the converter.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: June 5, 1979
    Assignee: R. T. Engineering Service Inc.
    Inventors: Ralph E. Cain, Jr., Thomas J. Crowell