UNT Libraries Government Documents Department - 18 Matching Results

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Activated-Sludge Treatment.
Patent for a method that dehydrates sewage for easier removal.
Apparatus for Chilling and Whitening Lard Compounds
Patent for an apparatus for chilling and whitening lard compounds that produces stiffer lard.
Automobile Road-Light.
Patent for an automobile road-light improvement that causes the lights of a moving vehicle to move in conformity of the vehicle itself. The device is readily attachable to automobiles of standard type.
Boiler-Skimmer.
Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Boiler Skimmer or Cleaner
Patent for improvements for a boiler skimmer or cleaner with suitable valves to control the blowing off from scum, steam or water.
Bookbinding
This is a letter patent for the bookbinding invention as a means for holding books, pamphlets, catalogs, and other similar paper materials together. The purpose of this invention is to make it possible to place additional material inside the same covers, and with the original contents of a book without breaking or tearing the binding.
Broom or Brush
Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Bucket Excavator.
Patent for "new and useful Improvement in Bucket Excavators, of which the following is a specification. My invention relates to excavators of that kind in which a bucked is arranged to travel back and forth upon a runway which is lowered into the ground and which is adapted to determine the cross sectional outline of the ditch or excavation" (lines 5-13).
Coupling
This patent is for a new coupling system to connect hollow pipes. It is specifically designed to address issues of vibration, which cause the coupling pin to become damaged.
Draft Device for Wheeled Gang Plows
Patent for a draft device for wheeled gang plows. This invention is and improvement to equalize draft devices for motor drawn gang plows to avoid pulling the plow out of the straight line of draft. Illustration included.
Frame for Jaw Crushers
Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Headlight-Shade.
Patent for a headlight shade which can be pulled down to block the high beam headlights of a train or car when there is an oncoming train or car.
Keyboard for Writing Machines.
Patent for improved keyboards for writing machines "having its keys so arranged that the fingers of the operator may rest upon the keyboard in an easy and natural manner, the keys being so disposed with relation to each other that the fingers of the operator may reach all of them with the least possible strain or exertion" (lines 16-22). This improvement allows the operator to work at maximum speed and efficiency.
Nutcracker
Patent for a nutcracker that can be used for a variety of types of nuts without crushing them.
Photographic Copying Apparatus
Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Plate Retaining Device
Patent for a license plate holder for automobiles.
Stove and Range.
Patent for a compact combination range or stove with "a cabinet for culinary utensils" (lines 12-13). "Compartments are substantially thermally independent of each other" (lines 17-18), due to flue arrangement, reticulated baffle plate and a two-way self locking damper.
Writing-Machine.
Patent for writing-machine mechanism which prolongs the life of the ribbon and provides "means to rotate the platen step by step at each actuation of one or more of the keys" (line 20).
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