UNT Libraries Government Documents Department - 16 Matching Results

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Auto-Lock
Patent for an invention of a valve locking device by which the fuel supply pipe can be cut off and a valve which is inserted in the said pipe locked in the cut off position.
DOOR-HANGER.
Patent for improvements to the door hanger, specifically aimed at car doors, including illustrations.
Drainage-Bottle
Patent for a drainage bottle that can be attached/detached from the person and is used for draining wounds.
Film Feeding Mechanism for Cameras
Patent for a film feeding mechanism for cameras. Illustrations included.
Gas Generator and Burner
Patent for a combined gas generator and burner that can be employed with ordinary cooking and heating stoves.
Grain-Drill Attachment.
Patent for combining a plow and a grain drill into one device, to reduce the number of times the soil needs to be turned per planting.
Grain-Separator for Attachment to Threshing-Machines
Patent for a grain separator that can be attached to a straw stacker. Illustrations included.
Improvement in Pipe and Rod Clamps.
Patent for "improvements in devices for supporting pipes and rods in position" (lines 10-11) including instructions and illustrations.
Pipe-Wrench.
Patent for a new invention of pipe-wrench, how it is made and how it is used.
Pipe-Wrench.
Patent for an economical pipe wrench that is easily adjustable using a pivoting, movable jaw to fit pipes of varying sizes.
Rail-Joint
Patent for a joint designed to stop the ends of rails from moving.
Railroad-Rail Joint
Patent for a railroad rail-joint that does not require holes to be drilled in it.
Spring-Wheel
Patent for spring wheels for use on motor vehicles, such as automobiles and motorcycles. Producing a wheel that will absorb the shock or jar incident to its passage over rough or uneven roadways.
Water-Elevator.
Patent for a water elevator. The invention produces a means for "high power water elevating" which provides " a steady and voluminous flow of water" (lines 20-22). Illustration included.
Well Pump
Patent for a well pump. "This invention relates to well-pumps of that character wherein a piston is operatively arranged within an outflow-pipe and having an automatically - closed bottom check - valve opened by the suction produced" (line 8-13). Illustration included.
Windmill Wheel
Patent for improvements made to windmill wheels. Improvements include windmill wheel blades that can easily be taken off or fixed onto the wheel hub, improvements in construction for easy assembly and disassembly, and construction from economic materials.
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