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Mold for Making Sewers.

Patent for a new and improved sewer mold. This design consists in "[a]n expansible and contractible reversible mold for sewers, in form in cross-section of either a semi-circle, semi-ellipse, or semi-ovate, formed of segmental portions hinged together and provided with stay-braces and thrusting tie-rods" (lines 76-81).

Date: June 18, 1889

Creator: Baade, John

Mold for Making Well-Curbing

Patent for a mold for making well curbing. Illustrations included.

Date: October 15, 1912

Creator: Savoy, Edward

Mold for Plastic Bodies

Patent for a mold for forming plastic pieces with openings for wires to run through them.

Date: February 8, 1910

Creator: Crum, William H.

Mold for Plastic Material

Patent for a mold of the character described in the illustrations, designed for use in cement and concrete constructions. It is specifically well-suited for building boats and ships.

Date: July 22, 1919

Creator: Reynolds, Robert E.

Mold for Tubular Articles.

Patent for an improved mold for making concrete tubular casings for dug wells with opposite grooves so the casings can be connected together when used, with illustrations.

Date: May 8, 1917

Creator: Schuettig, Emil A.

Mold for Typographical Casting-Machines.

Patent for a mold for typographical casting machines which may be altered to produce slugs of different sizes.

Date: April 7, 1914

Creator: Diaz, Pascual M.

Mold-Plate for Concrete Construction.

Patent for a mold plate for building concrete walls, which can be moved and reused after each section of wall is built.

Date: April 7, 1908

Creator: Kemper, Ernest G.

Moldboard.

Patent for "a moldboard adapted to any plow constructed of a series of spring-loops, sundry of which are movable at the top and sundry others having movement at the bottom of the board, the moveable loops being kept in motion by the earth passing over the board, whereby portions of the board are rendered vibratory and the earth is effectually prevented from clinging thereto" (lines 8-17).

Date: September 22, 1896

Creator: Smith, Samuel A.

Moldboard

Patent for a moldboard for plows that has a water holder to allow plaster of Paris covering the moldboard to be kept moist which prevents soil from sticking to the moldboard.

Date: August 27, 1912

Creator: Miller, Charles K.

Moldboard

Patent for a new and useful improvement in moldboards.

Date: December 21, 1897

Creator: Smith, Samuel A.

Moldboard

Patent for improvements in plow mold-boards, specifically for shedding sticky soil, and includes illustrations and description.

Date: April 8, 1913

Creator: Martin, William A. & Coleman, Robert J.

Moldboard.

Patent for a moldboard that is used for plows. Improvements on the moldboard include a simplified method of adding plaster of Paris coating.

Date: January 6, 1914

Creator: Ferris, James S.

Moldboard and Landside Plow and Gage-Wheel

Patent for modifications to a plow which allow the user to adjust the depth, which lists the components of such modifications.

Date: August 3, 1915

Creator: Haferkamp, August

Moldboard for Cultivator-Shovels.

Patent for a moldboard for cultivator shovels, which throws dirt to the side of the cultivator.

Date: June 28, 1910

Creator: Medcalf, William M.

Moldboard for Plows.

Patent for improved design of plow moldboard made from Plaster of Paris which repels sticky soils and is durable for shipping. Includes instructions and illustration.

Date: November 2, 1915

Creator: Miller, Charles K.

Molding Apparatus

Patent for Molding Apparatus

Date: September 12, 1916

Creator: Shearer, Frederick C.

Molding Apparatus

Patent for an improved model of a molding apparatus for producing blocks of concrete that is cheaper to manufacture and more durable and adjustable than its predecessor.

Date: March 20, 1920

Creator: Nelson, William E.

Molding Apparatus.

Patent for a molding apparatus for forming precast concrete units used for constructing monolithic straight and curved walls, floors, ceilings, and other building structures.

Date: October 31, 1922

Creator: Nelson, William E.