Patents by Inventor Joseph C. Koll

Joseph C. Koll 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: 7536874
    Abstract: A jewelry item having a rotatable gemstone includes a substantially hollow housing having a bezel and gemstone rotatably mounted on the upper end thereof. Received within the housing is a quartz movement type motor that operates a plurality of interrelated, contiguous gears to rotate the bezel. The gear ratios are such that the bezel will rotate at a predetermined, deliberate speed to achieve a desired aesthetic affect. A switch having a battery mounted thereon is hingedly attached to a side edge of the housing for activating the motor.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: May 26, 2009
    Inventors: Claude Ray, Joseph C. Koll
  • Patent number: 6408647
    Abstract: A jewelry item having an automatically rotatable design element such as a gem stone includes a substantially cylindrical housing having a bottom wall, a cylindrical side wall vertically depending therefrom with a select design element mounted therein. The bottom end of the housing includes an internally threaded aperture for threadedly engaging a drive shaft on a micro-motor assembly. The micro-motor assembly includes a casing mounted to a jewelry item and is selectively powered by a battery. Accordingly, when a switch is activated, the design element housing will automatically rotate relative to the casing to provide a novelty jewelry item having an enhanced, aesthetic appearance.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: June 25, 2002
    Inventor: Joseph C. Koll