UNT Libraries Government Documents Department - 12 Matching Results

Search Results

Results: 1 - 12

Cistern.

Description: Patent for a rain cistern, which can have oil put in it to prevent rust and sends out dirt from the cistern if it overflows.
Date: March 8, 1910
Creator: Fischer, Christian
Item Type: Refine your search to only Patent

Drill

Description: Patent for a drill and reamer for the use of drilling deep wells. "This invention consists of a tool combining a drill-point and a reamer, the point penetrating the formation and the reamer following and rendering the sides of the bore smooth and in conjunction with the body directing the drill in a straight or true course" (lines 5-10). Illustrations included.
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent

Feed-Trough.

Description: Patent for improvements in feed-troughs in which a controlled amount of feed can be placed in a feed box, and in which the latter will be fed as rapidly as consumed and the unconsumed feed will be protected. (Lines 11-14) Illustration in included.
Date: September 8, 1891
Creator: Webb, William James
Item Type: Refine your search to only Patent

Log-Carrier.

Description: Patent for a log-carrier with an improved construction from a previous patent (No. 539,380). Improvements include a change in "the angle of strain of the draft-chain as the lever approaches the horizontal position...when the load is elevated" (lines 34-37). It also maintains "a uniform leverage without the use of guide-rollers or other means" (lines 54-56), and balances the sliding tongue so that "the team is relieved of the weight thereof" (line 62).
Date: December 8, 1896
Creator: Carroll, Joseph Alexander
Item Type: Refine your search to only Patent

Mining Sulfur.

Description: Patent for extracting sulfur that is being mined from the stratum that has the minerals. A fluid medium, such as air or a heated liquid, is forced into the stratum which assists with the elevation of the liquid mineral. As the minerals come up the heated tubes, the liquefied minerals are sent into vats.
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent

Reamer for Oil or Artesian Wells

Description: Patent for "a reamer of novel construction for enlarging the bore or opening of a well when it is required to increase the diameter to receive the casing or for other purpose. The reamer combines a head and a guide, the latter entering the bores, so as to steady and give proper direction to the tool and also prevent the cuttings entering and filling the bore during the process of enlargement" (lines 9-18).
Date: September 8, 1903
Creator: Higgins, Pattillo
Item Type: Refine your search to only Patent

Roller-Truck.

Description: Patent for a roller truck that is comprised of "plurality of rollers, a suitable framework upon which said rollers operate, and an improved means of retaining them in position in said framework." (lines 14-17); including illustration and instructions
Date: May 8, 1900
Creator: Sotey, William
Item Type: Refine your search to only Patent

Trunk-Strap Fastener.

Description: Patent for an improved trunk fastener "whereby a strap after having been tightly drawn around a trunk or other article of baggage can be fastened without the use of the usual buckle" (lines 13-16). It consists of a hook-securing mechanism that holds the buckle at one end, an opposite toothed beveled clamping-face, a swinging lever with opposite arms that is connected with the fixed mechanism, a beveled clamping-face between the arms, and a lever that clamps the strap between the beveled clampin… more
Date: November 8, 1892
Creator: Webb, William James
Item Type: Refine your search to only Patent
Back to Top of Screen