UNT Libraries Government Documents Department - 6 Matching Results
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- Washboard.
- Patent for a new washboard with "simple durability, and cheap construction, . . . [which is] serviceable and efficient in its use" (lines 12-14), including illustrations.
- Churn-Motor
- Patent for a spring motor intended to operate churns. It has a quality which allows it to be stopped or interrupted during its operation.
- Ice-Cream Freezer.
- Patent for an improvement on ice cream freezer design in which casing an cream receptacles are mounted within the freezer unit. Special features include to agitate the cream receptacles as well as a mechanism keeping the freezing brine in constant circulation, resulting in an consistency in the quality and texture of the ice cream throughout.
- Parachute.
- Patent for a type of parachute that may be used for a balloon, air ship, or a window of a building as a method of fire escape. The design is such that the parachute may be stored in a compact, unobtrusive way while not in use. This is made possible by mounting multiple parachutes, one above the other, in varied diameter.
- Roller Drill.
- Patent for roller drills that will leave a central core standing in the hole being formed composed of six cutting rollers.
- Improvement in Furnaces for Producing Hydrogen and Treating Ores
- Patent for an improvement on heating furnaces, having an external water tank and steam tank and an orifice for the admission of steam from the water chamber.