Patents by Inventor Russell E. Bump

Russell E. Bump 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).

  • Test fixture having switching means for facilitating transformer turns ratio testing
    Patent number: 4241306
    Abstract: This disclosure relates to a transformer terminal switching unit or fixture with specially designed output terminals and transformer attachment cables. The disclosed transformer terminal switching unit is especially useful as an accessory to the BIDDLE Transformer Turn Ratio (TTR), tester, catalogue number 55003. The design of the transformer terminal switching test fixture is especially useful to test delta-star connected, three phase utility transformers with subtractively connected winding polarity. A transformer with additive windings can also be tested with the disclosed testing fixture.
    Type: Grant
    Filed: August 29, 1978
    Date of Patent: December 23, 1980
    Inventor: Russell E. Bump