UNT Libraries Government Documents Department - 29 Matching Results

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Improvement in Speed and Time Recorders.

Description: Patent for improvements in recording instruments to "document of all the movements of a locomotive while in charge of the engineer, to record any stoppages that may be made; the duration of such stoppages, and any backward motion of the locomotive at any point during the trip." (Lines 7-13) Illustration is included.
Date: September 9, 1879
Creator: Richardson, John D.
Item Type: Refine your search to only Patent

Improvement In Percussion-Shells.

Description: This patent was created for individuals to be able to hit an object with the instrument and the oject immediately explodes on impact. It then produces an excessive amount of explosions. The invention is made out of shells with sections assembled together infused with different substances, and connected by a fuse.
Date: April 9, 1878
Creator: Urquhart, John M.
Item Type: Refine your search to only Patent

Improvement In Corn And Cotton-Seed Planters.

Description: This patent is an upgraded corn and seed planter machine that plants corn, cotton, and other types of seeds for mass production. The machine is aligned with the surface of the ground. It does not converse with the plows that are attached to it, freeing up the machine to release seeds proficiently with ease.
Date: April 9, 1878
Creator: Adams, Benjamin F.
Item Type: Refine your search to only Patent

Solar-Time Instrument.

Description: Patent for a new and improved solar-time instrument with "the telescopic tube provided at one end with a lens, and at the other end with a removable diaphragm having horizontal and vertical lines marked thereon" (page 2).
Date: September 9, 1879
Creator: Hayford, Samuel
Item Type: Refine your search to only Patent

Improvement in Permutation-Locks. [PAGES MISSING]

Description: Patent for an improvement to combination locks. "It consists of various devices, which are operated by a revolving wheel having a number of projections or pins upon its periphery, which differ so materially from each other in shape that they can be easily recognized by day or night by the touch alone." (Lines 13-19) Illustration included.
Date: September 9, 1873
Creator: Hall, Phildello W.
Item Type: Refine your search to only Patent

Improvement in Hay and Cotton Presses.

Description: Patent for a press that reduces the bulk of cotton, "allowing it to be baled into convenient form for transportation. It consists in a novel mode of attaching the side of the press-box, so that they can be speedily thrown down from the cotton after compression to allow its convenient manipulation. It also consists in a new mode of connecting the follower with its superposed lever, so that it can be readily turned up out of the way when the cotton is being filled into the press-box. It also cons… more
Date: September 9, 1873
Creator: Nelson, David A.
Item Type: Refine your search to only Patent

Improvement in Bale-Ties.

Description: Patent for a bale tie that "form[s] a double lock-tie for securing the ends of baling-hoops, which cannot become detached or tear and whose outer surface face is flush, thereby rendering it impossible to catch against other packages, and thus be broken or torn off" (para. 2).
Date: November 9, 1875
Creator: Drake, Simeon N.
Item Type: Refine your search to only Patent

Improvement in Chairs.

Description: Patent for improvement in chairs, which provides adjustable shoulder supports and back (inclination and height), with intended advantages of better lung capacity and spinal alignment. The chair can be adjusted to fit all sizes of bodies. It is noted that some of the adjustable features could be incorporated into other furnishings such as beds or lounges. An additional feature of the chair is a retracting spring to assist the user in exiting the chair.
Date: May 9, 1876
Creator: Barnes, James W.
Item Type: Refine your search to only Patent

Improvement in Car-Trucks.

Description: Patent for the improvement of car-trucks, consisting in the arrangement of each wheel of a car-truck upon the outer end of a separate short axle, the bearings of each axle being both located on the inner side of the wheel and the bearing at the inner end of the axle provided with a sliding-box and springs. It includes a description and illustration.
Date: July 9, 1872
Creator: Onley, Joseph
Item Type: Refine your search to only Patent
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