Patents by Inventor Robert J. Kerr

Robert J. Kerr 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).

  • Apparatus for loading, unloading and stacking hay bales
    Patent number: 4249843
    Abstract: Apparatus for loading, unloading and stacking hay bales utilizing a load carrying vehicle with an elevatable and tiltable bed and a powdered headboard or pusher means mounted on the bed capable of traversing the length of the bed; and an independently powdered tine structure generally coextensive with but longer than the bed and extendable to protrude beyond the end of the bed an extent generally equal to the bed length and being supported cantilever fashion by the bed.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: February 10, 1981
    Inventor: Robert J. Kerr
  • Acidic agar gel electrochromatography of glycohemoglobins
    Patent number: 4222836
    Abstract: Glycosylated hemoglobins are separated from other hemoglobin variants by electrochromatography on an agar gel at an acidic pH which utilizes:A. an agar gel having a wet thickness of from about 0.1 to about 0.5 mm.,B. a citrate gel buffer having a citrate concentration of from about 0.02 to about 0.05 M and a pH of from about 5.8 to about 6.8,C. a citrate well buffer having a citrate concentration of from about 0.05 to about 0.1 M and a pH from about 6.0 to about 6.5, andD. a potential of from about 25 to about 100 volts.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: September 16, 1980
    Assignee: Corning Glass Works
    Inventors: Robert J. Kerr, Milos Stastny