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Crump; Robert F.
Louisville, KY
No. of patents:

Patent Number Title Of Patent Date Issued
D355447 Three dimensional game February 14, 1995
D300073 Portable extension ramp February 28, 1989
4735174 Hot water heater with counterflow action April 5, 1988
This gas hot water heater has a storage tank with a vertical flue having an elongated tube surrounding the flue to form an inverted inner tank that is closed at its top portion while being open at its bottom portion to the storage tank. A service water inlet pipe is located at the upper
4469198 Outside rescue elevator system for high-rise buildings September 4, 1984
An outside rescue elevator system is shown for use on a high-rise building. The elevator system can be installed on existing buildings, as well as being included in new construction. The system includes a dual compartment track mounted vertically on the outside of the building, and a whe
4256170 Heat exchanger March 17, 1981
A liquid-to-liquid heat exchanger particularly adapted for exchanging heat from hot waste water to cold supply water. In preferred form, the heat exchanger is of the inner pipe and outer shell type in which the outer shell is sub-divided into a serpentine flow path for the cold water, an
4248360 Remote control cap for a spray can February 3, 1981
A remote control cap that is adapted to snap fit onto a spray can's head, the cap being of a unitary or one piece molded plastic structure. The cap includes a lever arm connected to a snap-on collar by inherently resilient leaf springs, the leaf springs normally biasing the lever arm out
3950112 Fluid moving devices with modular chamber-forming means and multiple outlets April 13, 1976
A centrifugal type fluid moving device having a rotor operating in a working chamber around it, wherein the working chamber is established by a plurality of working chamber defining modules each of which defines a "section" of overall working chamber. Each module presents an outlet for

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