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 Collection: Texas Patents
Improvement in Door-Securers.

Improvement in Door-Securers.

Date: January 21, 1879
Creator: Hine, Miller J.
Description: Patent for a new and improved safety-locks for doors which consists of only three parts: a screw with sharp points, a nut, and a guard pivoted to the nut. It includes illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Double-Acting Force-Pumps.

Improvement in Double-Acting Force-Pumps.

Date: September 16, 1879
Creator: Newman, Charles Elijah
Description: Patent for a double-acting force pump that has "single cylinder and hollow piston-rod operate in connection with the upper and lower cylinder-valves, and with a valved piston adapted to have a reciprocal motion independent of and upon the hollow piston-rod, to discharge the water from both sides of the piston with a double action and in a continuous stream through said hollow piston-rod" (para. 2).
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Double-Bitted Drills.

Improvement in Double-Bitted Drills.

Date: May 30, 1876
Creator: Yarbrough, William H.
Description: Patent for "an easy mode of straightening wells while drilling them through rock or earth, and also for enlarging the same into a cistern when it is desired to keep on hand a large supply of water." (Lines 8-13) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Dough Kneaders and Cutters.

Improvement in Dough Kneaders and Cutters.

Date: September 21, 1874
Creator: MÓ§ckli, Frank
Description: Patent for new U-shaped dough kneader and cutter, with illustrations
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Draw-Gages.

Improvement in Draw-Gages.

Date: June 25, 1878
Creator: Tays, John Henry
Description: Patent for improving the manner in which leather straps may be cut and avoid slippage.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Drawing Off Tallow, Lard &c., from Rendering-Tanks.

Improvement in Drawing Off Tallow, Lard &c., from Rendering-Tanks.

Date: June 7, 1870
Creator: Archer, John H.
Description: Patent for a new method for drawing off tallow, lard, etc. from pressure tanks by introducing water. This includes illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Dumping-Cars.

Improvement in Dumping-Cars.

Date: May 6, 1879
Creator: Johnson, Stephen.
Description: Patent for improvements to Dumping-Cars used for loading locomotives with wood or coal, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Dumping-Platforms.

Improvement in Dumping-Platforms.

Date: February 11, 1873
Creator: Atkinson, Jesse.
Description: Patent for a new cart-loader design "for dumping earth into carts or other receptacles" (lines 13-14), including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Earth-Augurs.

Improvement in Earth-Augurs.

Date: November 20, 1877
Creator: Yarborough, William H.
Description: Patent for a new auger design for "boring and excavating wells" (lines 15-16), including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Earth-Boring Machines.

Improvement in Earth-Boring Machines.

Date: January 1, 1878
Creator: Yarborough, William H.
Description: Patent for improvements in earth-boring machines with new design and connections, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department