UNT Libraries Government Documents Department - 74 Matching Results

Search Results

Grain-Toller.

Patent for a simple device that's placed in a grinding mill to automatically extract and regulate the amount of grain being withdrawn.

Date: October 25, 1921

Creator: Perkins, Thomas F.

Stalk Puller and Chopper.

Patent for a stalk puller that can pull the stalk from the ground and chop in pieces for feeding for fertilizer.

Date: July 29, 1919

Creator: Anderson, Jeff

Oil-Circulating Gage.

Patent for an "oil circulating gage particularly designed for use in connection with the oiling system of the well known 'Ford' automobile."

Date: December 2, 1919

Creator: Cope, Thomas N.

Combination Rule, Square, and Miter.

Patent for a combination of devices that contains "attachments for folding rules which will make said rules capable of use as a square, tri-square, and miter" (lines 15-17), including instructions and illustrations.

Date: August 4, 1914

Creator: McFarland, Charles M.

Listing Attachment for Plows

Patent for plow attachment to deflecting soil from the shovel of the plow; does not require special tools to apply attachment to plow.

Date: July 14, 1914

Creator: Hogan, Peter E.

Traction-Wheel and Means for Driving Same.

Patent for "a new and Improved Traction-Wheel and Means for Driving Same" (lines 5-7) , including instructions and illustrations.

Date: April 15, 1913

Creator: Graley, Morton Adrian

Hay Press.

Patent for improvements to a hay press to be manufactured easily and cheaply while maintaining its effectiveness in pressing hay into bales.

Date: July 17, 1917

Creator: Pate, William H. & Rhyne, Arthur M.

Switch-Point Holddown

Patent for switch-point holddown to accompany and support the switch rail machinery. Process and function in text with accompanying illustrations to demonstrate said function.

Date: September 18, 1917

Creator: Morrison, Oscar P.

Extension-Bed.

Patent for a "longitudinally extensible" (lines 12-13) bed. The extension is stored underneath the main portion of the bed when not in use and allows for the bed to be covered completely with netting to protect against mosquitos. Illustrations included.

Date: August 5, 1913

Creator: Couch, Marvin Leslie

Cotton-chopper.

Patent for a cotton chopper. The text describes the construction of the machine and explains how it is different from current cotton choppers.

Date: April 22, 1913

Creator: Forrest, Bedford W.

Box-Car-Door Fastener

Patent for a box car door fastener.

Date: March 19, 1912

Creator: Hooton, Pinkie D.

Animal-Trap.

Patent for certain new and useful improvements in animal traps, including instructions and illustrations.

Date: August 29, 1899

Creator: Griffin, Walter R.

Clothes-Pin.

Patent for a wire clothes pin that is attached to the clothesline and is easily opened or closed to attach or remove clothes.

Date: March 19, 1907

Creator: Burleson, Pleasant Wright

Churn-Operating Mechanism.

Patent for a churn operating mechanism, which can be attached to a wall.

Date: February 14, 1911

Creator: Wiley, Alvin Herbert; Lathem, Diah Walter & Lathem, Mariand Wiendfield

Animal Trap

Patent for an animal trap, particularly desgned for rodents and birds, which is able to trap animals without having to be manually reset each time. Illustrations included.

Date: January 19, 1909

Creator: Barron, Nathan J.

Clothes-Pin

Patent for a clothes pin. Illustrations included.

Date: September 20, 1910

Creator: Wiley, Alvin Herbert & Banger, John Edward Armenious

Compound Rail.

Patent for a compound rail that's joints are as strong as the rest of the rail and prevent jolting when a train passes over the joint.

Date: October 27, 1908

Creator: Cromer, Thomas S.

Clothes Pin

Patent for a clothes pin. Illustration included.

Date: April 6, 1909

Creator: Everett, Edgar B.

Car - Coupling.

Patent for a new and useful car coupling, including instructions and illustrations.

Date: July 5, 1898

Creator: Oden, Joshua K.

Lock

Patent for a lock. Illustrations included.

Date: December 15, 1908

Creator: Greene, George W.

Wagon Brake

Patent for a wagon brake. Illustration included.

Date: September 27, 1904

Creator: Melton, William K.

Well-Cleaning Machine.

Patent for a well cleaning machine with spring activated jaws for scoops that pick up mud and leaves from the bottom of wells.

Date: September 24, 1907

Creator: Crowson, Jonas Henry

Water-Elevator.

Patent for an improvement in water elevators to raise and lower a pair of buckets, meant to be simple, inexpensive, and more efficient than other designs. In particular, it is meant "to move the buckets in either direction without necessitating the operator's changing his position with relation to the apparatus" (lines 19-22).

Date: January 1, 1901

Creator: Griffin, Walter R.; Thomas, Joseph E. & Griffin, Samuel D.

Means for Utilizing Electrical Energy

Patent for a means of using electricity more efficiently, which entails "utilizing the extra current generated by the break in the circuit of an electromagnetic apparatus" (lines 16-18). Illustrations included.

Date: July 13, 1909