This patent discloses a hydraulic cylinder for use in exercise machines to deliver a controllable fast acting force. The invention uses a hydraulic cylinder with features that allow high acceleration rates, rapid changes of force level and direction, and positive force limitation.
This patent discloses an improved method and apparatus for physical strength, agility and endurance training uses fluid jet reaction forces to train and strengthen muscles.
This patent discloses an apparatus for physical fitness physical strength, agility and endurance training.
This patent discloses a novel shaped charge device that produces a hollow cylindrical jet capable of creating a hole in a target larger than the overall diameter of the device.
This patent discloses a novel axisymmetric revolved arc explosively formed projectile (REFP) shaped charge design will produce a projectile that is greater than 2/3 the diameter of the device forms a hole larger than the device diameter and removes all of the target material within the hole diameter.
This patent discloses an enhanced lightweight armor plating for protection against HEAT warheads.
This patent discloses an invention that uses an innovative closed-loop steam cycle with a primary geothermal boiler and a recirculating arrangement to deliver a portion of the enthalpy of that produced steam as a higher temperature and pressure steam to the surface.
This patent discloses a system that uses a batch method process absorption cooling through a number of separate sealed two-compartment containers which are moved physically between a heating area, a cooling area, a storage area and a refrigeration area.
This patent discloses a floating dock port that allows ships to dock within the port structure and be loaded, unloaded, and refueled, while converting the energy generated from wave motion into a usable source of power.
This patent discloses an apparatus and method for providing propulsion to naval vehicles by using one or more suspended belt drives to consistently engage the water proximate to the surface using a variety of belts with multiple attachments, tires, or variable lugs.
This patent discloses a method and apparatus for storing, transporting, and releasing high grade, thermodynamically useful energy for a wide variety of uses.
This patent discloses a fire extinguishing device and associated methods. The device is adapted to be positioned in proximity to a fire and operable in response to heat output by the fire.