UNT Libraries Government Documents Department - 19 Matching Results

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Automatic Sand Trap
Patent for an automatic sand trap related to automatic devices for separating suspensions into two products and is concerned with the separation of sand from water for dam building and like purposes.
Carbon-Removing Tool
Patent for a new and improved carbon removing tool, which allows for the removal of carbon from the pistons of internal combustion engines. Includes illustrations.
Cotton-Chopper
Patent for a machine that can be drawn along a row of cotton to chop the adjacent plants and cultivate the ground under the machine. The device is height adjustable by the operator.
Dredge-Pump
Patent for new and useful improvements to Dredge-Pumps. The pump is used to draw up sand and gravel from the bottom of a river.
Electrically-Controlled Puller For Oil-Well Casings.
Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.
Feed Spout Barrier
Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Feeder for Soft Candy.
Patent for bee feeder device that allows bees to have access to food during transport. The feeder also is designed to prevent any running and clogging, while minimizing bee death due to starvation.
Game-Board.
Patent for a game board that includes barriers, inclines, and depressions in the board which is meant to simulate a game similar to baseball (as well as other games) using a cue ball. The game board also comes with auxiliary barriers to adjust gameplay.
Hanger For Car-Doors.
Patent for a hanger for use in car doors to prevent jamming or binding during opening or closing.
Ironing-Board.
Patent for an ironing board that has no legs or braces, but is securely held and provided with a cabinet that can be attached to the side of a wall or built into a wall to not take up space in the room by being placed out. Makes for easier ironing of garments, such as dresses and skirts, by allowing them to be inserted on the board.
Magnetically-Operated Oil-Well Fishing-Tool.
Patent for an electrically operated tool designed to retrieve lost oil pump plungers or casings from within oil wells.
Memorandum-Calendar.
Patent for providing a memorandum calendar pad to be used for 2 consecutive years, that includes a filing wire of which the leaves of the pad can be attached to or detached from the calendar stand, and that will be inexpensive to make and easy to operate.
Metallic Mold for Concrete Walls
Patent for metallic molds for concrete or plastic walls. These molds have been improved in terms of their construction. Includes illustrations.
Method of Repairing Scored Cylinders.
Patent for repairing scored cylinders in internal combustion engines by making the cylinders as smooth and hard as before they were scored and by filling the scores with metal to maintain the firmness.
Self-Lining Interlocking Building-Block.
Patent for interlocking building-blocks that allow for the formation of strong insulated and properly lined walls without the use of skilled labor and with or without reinforcements.
Sleeve-Puller.
Patent for simple and inexpensive sleeve puller, primarily for "pulling sleeves from the rear axle housing of a motor vehicle" (lines 13-14), with illustrations.
Vehicle-Wheel
Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Wagon.
Patent for "a vehicle such as a wagon with means for automatically pulling cotton bolls." (lines 16-17)
Well-Tubing Catcher
Patent for an improved well tubing catcher, which "provides an equal and positive bearing surface for the gripper slips or dogs in all their adjusted positions" (lines 16-18), including illustrations.
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