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Improvement in Propelling Vessels.

Patent for a hydraulic propeller that uses a current of water and steam power, including illustrations.

Date: August 26, 1846

Creator: Fulton, George W.

Improvement in Curing Meat, &c.

Patent for curing meat using an air-tight brine vacuum to heat and purify the meat, including illustrations.

Date: September 12, 1846

Creator: Allen, Augustus C.

Brick-Machine.

Patent for a machine, which the inventor calls "The Concussion Brick-Machine", that makes bricks using molds, including illustrations.

Date: May 30, 1848

Creator: Wilson, Robert

Boring and Mortising Machine.

Patent for a machine to bore square holes in substitute for a chisel and reduce labor, including illustration. The inventor calls it a "Mortise and Tenon Machine."

Date: July 11, 1848

Creator: Swingle, Alfred

Preparation of Portable Soup-Bread.

Patent for "extracting the nutritious part of flesh or animal meat of every description and combining this concentrated extract with flour or vegetable meal, and baking the two substances in an oven, thereby forming a portable desiccated soup-bread....." (lines 8-14), instruction only, no illustration.

Date: February 5, 1850

Creator: Borden, Gail, Jr.

Valve-Gear for Steam-Engines.

Patent for improving the cut-off of steam-engines through a simple valve motion, including illustration.

Date: July 30, 1850

Creator: Milner, George B.

Dressing Millstones.

Patent for "a new and improved mode of dressing millstones for the purpose of grinding every kind of grain into meal flour &c., &c." (lines 4-7) including instructions and illustrations.

Date: March 4, 1851

Creator: Gaines, Edmund P.

Propeller of Machinery to be used in Currents.

Patent for a propelled water wheel that is attached to the back of a vessel that uses a current of water and stream power, including illustrations.

Date: November 18, 1851

Creator: Hardie, James

Wire Fence.

Patent for wire fencing using wooden and iron posts to be more readily seen by cattle, including illustration.

Date: November 8, 1853

Creator: Meriwether, William H.

Improvement in Fish-Hooks.

Patent for "new and useful improvement in the Sockdolager Fish-Hook" (lines 4-5), including illustration.

Date: April 11, 1854

Creator: Sigler, Henry

Millstone-Dress.

Patent for "a new and improved mode of dressing millstones for the purpose of grinding wheat and grain into meal flour" (lines 4-7) including instructions and illustrations.

Date: July 25, 1854

Creator: Gaines, Edmund P.

Spring Bed-Bottom.

Patent for the improvement of bedsteads using a spring bottom-construction with zig-zag wire, including illustration.

Date: August 8, 1854

Creator: Meriwether, William Hunter

Improvement in Plows.

Patent for the improvement of the Rotary-Disk Cutters for plows that enable it to swivel and be supported by guides, including illustration.

Date: April 3, 1855

Creator: Hall, Thomas J.

Improvement in Cultivators.

Patent for the improvement of the rotary cultivator with adjustable thinning-points and rotating cutter, including illustration.

Date: April 10, 1855

Creator: Morrel, A. H.

Improvement in Gang-Plows.

Patent for the improvement of the gang plow by the plows arrangement and pivoted beams to be adjustable for convenience, including illustration.

Date: May 1, 1855

Creator: Hall, Thomas J.

Improvement in Cotton-Seed Planters.

Patent for covering cotton seeds by using a hoe transversely with cams and slides with the main axle of the planter, including illustration.

Date: May 15, 1855

Creator: Morrel, A. H.

Mode of Straining Saws by Atmospheric Pressure.

Patent for the improvement of the reciprocating saw by simplifying the arrangement of cylinders, pipes, and exhaust pumps to produce the necessary vacuum, including illustration.

Date: August 14, 1855

Creator: Brown, A. & Coffin, Abel, Jr.

Improved Cultivating-Plow.

Patent for a cultivating plow with a series of cutting-disks and digging-hoes, including illustration.

Date: March 25, 1856

Creator: Crenshaw, Micajah

Machine for Sawing Marble in Obelisk Form.

Patent for "a new and Improved Machine for Sawing Marble Blocks in Polygonal Taper Form" (lines 4-6), including illustration.

Date: April 15, 1856

Creator: Haviland, J. E.

Method of Repairing Circular-Saw Teeth.

Patent for enabling the teeth of circular saws to be drawn out and hammered for repair, including illustration.

Date: June 10, 1856

Creator: Parry, M. L.

Improvement in the Manufacture of Black Bottle-Glass.

Patent for manufacturing black bottle-glass by using "combination with other ingredients, an earthy slate of a peculiar character, called "clay-slate," for the purpose of furnishing the coloring-matter of the glass,as well as forming one of the bases of the glass itself."(line 10-15) Instruction only, no illustration.

Date: September 2, 1856

Creator: McCully, John F.

Improvement in Cotton-Pickers.

Patent for "new and useful Improvements in Hand-Machines for Gathering Cotton in the Field" (lines 3-5), including instructions and illustrations.

Date: September 16, 1856

Creator: Shields, B. G.

Improvement in Cotton-Presses.

Patent for the improvement of the cotton press using screws and nuts in conjunction of a shifting pinion for changing the motion for the revolving wheels and shafts, including illustration.

Date: January 27, 1857