Patents Represented by Law Firm Imirie, Smiley & Linn
  • Miniaturized nuclear battery
    Patent number: 3934162
    Abstract: The present invention relates to a miniaturized nuclear battery, consisting of several in series connected cells, wherein each cell contains a support which acts as positive pole and which supports on one side a .beta.-emitter, above said emitter is a radiation resisting insulation layer which is covered by an absorption layer, above which is a collector layer, and wherein the in series connected cells are disposed in an airtight case.
    Type: Grant
    Filed: May 15, 1973
    Date of Patent: January 20, 1976
    Assignee: Biviator, S.A.
    Inventors: Karl Adler, Georges Ducommun
  • Electric drive for wheel chairs
    Patent number: 3930551
    Abstract: In a wheelchair, battery operated electric driving means for driving two wheels each mounted on a wheel plate connected to the wheelchair frame. For each driven wheel a motor is carried on the wheel plate and drive is transmitted to a pinion fixed on the wheel through a pivotal gear carrier carrying one or two idler gears in constant mesh with the fixed pinion, but movable into or out of mesh with a motor driven pinion on controlled pivotal movement of the gear carrier.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: January 6, 1976
    Inventor: Harold Cragg