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Description: Patent for "devices for equalizing the draft where three or more draft-animals are used" (lines 8-10) to pull machinery, carriages, or wagons with illustrations included.
Date: September 16, 1902
Creator: Hayden, Jefferson B.
Item Type: Patent


Description: Patent for improvement in draft-equalizers in which the draft-equalizer will “first, take away the side draft; second, to enable the plow to follow the furrow; third, to work three, four, or five horses to the same bars by simply adjusting the bars; fourth, to enable all horses except one to walk on solid ground, the one to walk in furrow; fifth, to enable the operator to place load on any point of the bars he chooses and still have a straight pull.” (Lines 25-34) Illustration is included.
Date: February 10, 1903
Creator: Lawrence, David & Vincent, John
Item Type: Patent

Draft Equalizer

Description: Patent for a draft class. This device is for use with wagons to equalize draft animals. Illustration included.
Date: January 18, 1907
Creator: Bouldin, John R.
Item Type: Patent

Draft Evener

Description: Patent for invention that "relates to four-horse draft equalizers, and is well adapted for use on plows-- gang-plows, sulky-plows, and grain-plows-- and may be used also on wagons and other vehicles drawn by horse-power" (lines 8-12). Illustrations are included
Date: March 15, 1902
Creator: Sleight, Milton W.
Item Type: Patent

Draft Producing Device

Description: Patent for a draft producing device. This invention is placed under the eye of a kiln or under a boiler to increase air to the furnace. Illustration included.
Date: May 17, 1904
Creator: Miles, Joseph Furnas & Miles, J. H.
Item Type: Patent

Draft-Rigging for Railway-Cars.

Description: Patent for a draft-rigging for railway-cars that consists of a metal plate in an inverted U-shape, with its legs doubled upward and attached to the middle sills of the car, and the option of attaching a coupler to the plate. The plate legs can receive a king bolt ransom.
Date: July 2, 1895
Creator: Roosevelt, James A.
Item Type: Patent

Draft Rigging for Railway Cars

Description: Patent for draft rigging for use with railway cars. It is designed to "provide a simple and comparatively and to provide a simple and comparatively inexpensive draft mechanism of great strength and durability adapted to be readily applied to the framework of a car and capable of effectively cushioning the car-coupling and of relieving the body of a car of shocks and strains" (line 12-18). Illustrations included.
Date: November 7, 1902
Creator: Saling, Thomas W. & Bell, R. A.
Item Type: Patent


Description: Patent for a simple and efficient drag-saw that can be easily transported and adjusted. The saw can also be lifted during operation if necessary. It has a frame, a longitudinally-grooved guiding-bracket attached to the frame, a reciprocating pitman-head that slides into the frame, a crank-shaft that operates the pitman-head, an arm that carries the saw with a pivotal connection to the pitman-head, a saw-frame secured to the pitman-head's outer end, an adjustable strap between the saw-carrying arm and the saw-frame for adjusting the saw-frame, a spring between the arm and the pitman-head, a saw-lifting lever fulcrumed on the machine-frame, a pendent stirrup carried by the lifting-lever and slotted to control the saw-carrying arm, and a guiding-bracket with a slot where the stirrup slides and another slot where the arm moves.
Date: March 3, 1896
Creator: Reeves, Newell Antony
Item Type: Patent

Drag Saw.

Description: Patent for a new and improved drag-saw. This design "consist[s] of a standard, two beams connected to the standard on opposite sides thereof, a crank-shaft held by the standard, suitable drive-gearing for operating the same, a pitman connecting the crank-shaft and the saw, a pendulum attached to the saw and the pitman at one end and to a sliding head-block at the other end, the head-block sliding in the slotted standards and having a rack-bar extended therefrom, a pawl engaging the rack, the operating-cord attached to the head-block and passing over a guide-pulley on the slotted standards" (lines 4-16).
Date: November 3, 1885
Creator: Boston, Arnet P.
Item Type: Patent

Drag Saw.

Description: Patent for a new and improved drag saw. This design "is to provide a simple, inexpensive, durable, and easily-operated machine for cross-cutting timber for railway-ties and material, or for cord-wood, stove-wood, or other uses" (lines 7-11).
Date: January 1, 1884
Creator: Bennett, William A.
Item Type: Patent

Drag Saw

Description: Patent for a drag saw. Illustrations included.
Date: November 8, 1904
Creator: Thompson, Everett Edward
Item Type: Patent

Drag-Sawing Machine.

Description: Patent for improvements in "sawing-machines adapted for using both circular and reciprocating saws, and especially designed for general sawing in cabinet-makers’ and carpenters’ shops, its object being to provide for the proper guiding and support of the reciprocating saw and for the ready adjustment and firm maintenance of the articles to be sawed in proper position.” (Lines 9-16) Illustration is included.
Date: August 3, 1880
Creator: Gardner, Robert J.
Item Type: Patent

Drainage Apparatus.

Description: Patent for a drainage apparatus by using two siphon-pipes, a back-pressure valve and an automatic starting device to drain the water from one place to another when the water is at a predetermined level. Illustration is included.
Date: January 8, 1901
Creator: Carroll, Samuel C.
Item Type: Patent

Draw-Bar for Locomotives.

Description: Patent for an improved draw-bar for locomotives that consists of a frame, a pilot and draw bar, a counterweight that moves vertically in the pilot, a coupler head with a knuckle and a toe and a guide arm, and a release mechanism for the locking device on the bar.
Date: January 9, 1894
Creator: Heidelberg, Samuel R.
Item Type: Patent

Draw Bar for Locomotives.

Description: Patent for a new and improved draw-bar for locomotives. This design consists, "with the frame of the locomotive and pilot mounted thereon, of the draw-bar connected to the frame, devices for locking and holding the draw-bar on the pilot, and a counter-weight for automatically elevating the draw-bar when released" (lines 97-102).
Date: August 16, 1892
Creator: Heidelberg, Samuel H.
Item Type: Patent


Description: Patent for improvements in the construction and design of draw bridges.
Date: August 14, 1888
Creator: Briggs, William J.
Item Type: Patent


Description: Patent for "drawers, and the object of the same is to provide an improved attachment, whereby the ends of the drawer must move in unison and thus avoid wedging of the drawer, which often occurs when it is moved inward and outward, and a further object is to provide a tension mechanism for the said-drawer controlling device, whereby when the drawer is unlocked there will be sufficient tension upon the same to force it open, and further when the drawer is pulled outward too far the said tension device will exert an inward pull thereon and thus prevent the unconscious entire withdrawal of the drawer from the bureau-case or other article of furniture or device to which it belongs." (Lines 12-27) Includes instructions and illustrations.
Date: December 31, 1895
Creator: Matthews, James T.
Item Type: Patent


Description: Patent to "provide the drawers of a bureau, a desk, or other piece of furniture with anti-friction devices to prevent their binding." (Lines 11-13) Includes instructions and illustrations.
Date: May 15, 1891
Creator: Baldwin, John. H, Jr.
Item Type: Patent

Drawer of Furniture, Store Fixture, &c.

Description: Patent for a new and improved chest of drawers. This design "consists, first, in a drawer applied upon side cleats or ledges, grooved longitudinally with the movement of the drawer, and having balls placed in such grooves in such a manner that they are kept separated and are free to roll or move longitudinally, and that they serve as bearings for the drawer, while they keep it from frictional contact with the cleats . . . second, in a novel mode of construction of cleats" (para. 1).
Date: June 7, 1881
Creator: Johnson, William H. & Whomes, Joseph
Item Type: Patent

Drawers and Pantaloons.

Description: Patent for new and improved pants. This design consists in "[a] pair of pantaloons, each leg of which is composed of a single piece, having the two edges and extended from the crotch to the foot of the leg, said extended portions being lapped one upon the other and united by the double lines of stitching, one in front and the other in rear of the usual line of the inside seam, whereby the leg is given a double thickness on the inside, and a smooth unbroken surface, adapting them to be worn in the saddle with comfort" (lines 16-26).
Date: July 7, 1885
Creator: Blake, Samuel Diggs
Item Type: Patent


Description: Patent for a new and useful drawers supporter, including instructions and illustrations.
Date: September 20, 1898
Creator: James, Thomas S.
Item Type: Patent

Drawing Board

Description: Patent for a drawing board. Illustration included.
Date: November 30, 1903
Creator: McAnelly, Ernest Eugene
Item Type: Patent

Drawing Table

Description: Patent for a drawing table. This invention provides "support of a roll of paper or drawings beneath the top of the table in such a manner as to facilitate the unwinding of the roll" (line 9-11). Illustrations included.
Date: December 5, 1904
Creator: King, Thomas
Item Type: Patent