Patents by Inventor Ivan L. Caplan

Ivan L. Caplan 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: 5816712
    Abstract: The inventive cylindrical cartridges are installed in machinery for purposes of isolating vibration of conventional rolling element bearings from major machinery components. Two inventive cartridges are concentrically coupled with a rolling element bearing, one cartridge fitting circumferentially inside the bearing's inner ring, the other cartridge fitting circumferentially outside the bearing's outer ring. Each inventive cartridge comprises inner and outer concentric cylindrical metallic pieces and an intermediate filling which includes two lateral circumferential elastomeric bands separated by a medial circumferential air gap. The inventive cartridges can be inexpensively fabricated and can be permanently integrated with existing machinery.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: October 6, 1998
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Robert G. Brown, Jeffrey A. Wong, Usman A. K. Sorathia, Ivan L. Caplan
  • Patent number: 5358686
    Abstract: A titanium-base alloy, and weldment made therefrom, consisting essentially of, in weight percent, aluminum 4 to 5.5, preferably 5.0, tin up to 2.5, preferably 0.5 to 1.5 or 1; zirconium up to 2.5, preferably 0.5 to 1.5 or about 1; vanadium 0.5 to 2.5, preferably 0.5 to 1.5 or about 1; molybdenum 0.3 to 1, preferably, 0.66 to 1 or about 0.8; silicon up to 0.15, preferably 0.07 to 0.13 or about 0.1; oxygen 0.04 to 0.12, preferably 0.07 to 0.11 or about 0.09; iron 0.01 to 0.12, preferably 0.01 to 0.09 or about 0.07 and balance titanium and incidental impurities.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: October 25, 1994
    Inventors: Warren M. Parris, James A. Hall, Paul J. Bania, Ivan L. Caplan