Patents by Inventor Robert K. Eiskop

Robert K. Eiskop 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: 5062309
    Abstract: A device for taking samples of bottom sediments from water basins includes at least one vertical sectional coring tube having a closed upper end provided with a check valve. The device includes, in the form of a cover, also a device for preventing the loss of a taken sample in the process of the device lifting, closing in a rest position the open lower end of the coring tube and being connected with the movable rod. The rod is secured by hinges to the carrying element. The upper end of the coring tube is secured to the carrying element.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: November 5, 1991
    Assignee: Institut Khimii Akademii Nauk Estonskoi SSR
    Inventors: Martin A. Voll, Robert K. Eiskop
  • Patent number: 4996887
    Abstract: A device for taking samples of bottom sediments and bottom water from water basins comprises at least one vertical sectional coring tube having a closed upper end provided with a check valve. On the upper end of the coring tube a bathometer is secured so that the upper end of the coring tube is at the same time the lower end of the bathometer. The bathometer has in its upper end a check valve, a means in the upper part for intake of air and a means in the lower part for release of bottom water. The coring tube is secured by its upper end to the carrying element.
    Type: Grant
    Filed: September 7, 1989
    Date of Patent: March 5, 1991
    Inventors: Martin A. Voll, Kharri I. Yankovsky, Robert K. Eiskop
  • Patent number: 4709584
    Abstract: A device for taking samples of bottom sediments from water basins, comprises a vertical sectional coring tube, a ballast weight, rod-type vertical supports and shock-absorbing units. The latter are made in the form of hollow cylinders with closed ends, with a plunger in each cylinder and installed in parallel with the coring tube from the outside. A hole is made in the upper and lower ends of each cylinder, and passed through the holes in the lower ends are the rod-type supports each of which is rigidly connected by one end with a respective plunger.
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: December 1, 1987
    Assignee: Institut Khimii AN
    Inventors: Martin A. Voll, Robert K. Eiskop, Kharri I. Yankovsky