UNT Libraries Government Documents Department - 35 Matching Results

Search Results

Results: 1 - 24 next

Adjustable Friction-Grab for Fishing-Tools.

Description: Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date: May 24, 1921
Creator: Dickson, Lawrence E.
Item Type: Refine your search to only Patent

Automatic Trailing Device

Description: Patent for an automatic trailing device. This device is made to "successfully follow the tracks of the front vehicle without the use of a driver on the vehicle in tow" (lines 14-17).
Date: February 24, 1920
Creator: Sloan, Charles Lee
Item Type: Refine your search to only Patent

Car-Rail Hose-Bridge.

Description: Patent that provides a hose-bridge that is light in weight and simple in construction, that can be carried on the cars or stored at different points on the line convenient for use.
Date: January 24, 1921
Creator: Tyler, Charley P.
Item Type: Refine your search to only Patent

Clamp

Description: Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date: February 24, 1920
Creator: Ferguson, William D.
Item Type: Refine your search to only Patent

Condenser for Cotton-Presses.

Description: Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date: May 24, 1921
Creator: Taft, John A.
Item Type: Refine your search to only Patent

Coupling.

Description: Patent for a coupling to be used by military vehicles, unique in its "simplicity, rapidity in attachment and detachment, strength and durability" (lines 19-21).
Date: May 24, 1921
Creator: Speece, Russell. W.
Item Type: Refine your search to only Patent

Dental-Broach Holder.

Description: Patent for a dental broach holder that can be easily cleaned, and that includes certain structural elements that keep a dental broach more secure during use. The broach fastens on the outside of the holder, the mechanism of which "[prevents] loss of the broach in the patient's mouth during operation" (lines 92-94).
Date: January 24, 1922
Creator: Gilbert, James M.
Item Type: Refine your search to only Patent

Drill Bit

Description: Patent for a drill bit that can pass through the drill stem, making the process of drilling faster and easier.
Date: February 24, 1920
Creator: Clements, Frank L., Jr.
Item Type: Refine your search to only Patent

Hose Reel

Description: Patent for a hose reel that makes water easily available to the people in a building that has caught fire and is more easily maneuverable.
Date: August 24, 1920
Creator: Hamner, Edward M.
Item Type: Refine your search to only Patent

Mold.

Description: Patent for a new, improved Mold "specially designed for the formation of the rings of packing such as is used in stuffing boxes for packing metallic rods" (lines 11-14), illustrations included.
Date: January 24, 1922
Creator: Miller, Ose Z.
Item Type: Refine your search to only Patent

Mousetrap

Description: Patent for a mousetrap that is an improvement to the average mousetrap, but new in the sense that it can be made in various proportions or sizes for a variety of vermin.
Date: January 24, 1922
Creator: Spencer, Clarence E.
Item Type: Refine your search to only Patent

Oil-Burner.

Description: Patent introduces the inventor's specific improvements to oil-burning stoves. The air and oil are fed into the chamber of the stove and thoroughly mixed before burning.
Date: August 24, 1920
Creator: Beckman, William
Item Type: Refine your search to only Patent
Back to Top of Screen