9 Matching Results

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Device for Printing Blue-Prints (open access)

Device for Printing Blue-Prints

Patent for a new type of printing press for the printing of large blue-prints. It is to be a more effective method of printing large objects with a curved plate to provide a more continuous and effective result.
Date: January 30, 1919
Creator: Cooper, Christopher Columbus
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for improvements to the cotton-chopper. This invention outfits the cotton-chopper with a blade that can be moved, either mechanically or with electric power. Previously, the blade was fixed and stationary.
Date: May 13, 1919
Creator: Janes, Henry T.
System: The Portal to Texas History
Adjustable Spring Clamp (open access)

Adjustable Spring Clamp

Patent for an improved adjustable spring clamp design.
Date: May 13, 1919
Creator: Hillin, H. C.
System: The Portal to Texas History
Slot Angle Bar (open access)

Slot Angle Bar

Patent for a new slot angle bar design.
Date: May 13, 1919
Creator: Rice, E. B.
System: The Portal to Texas History
Impression Cake (open access)

Impression Cake

Patent for a new type of impression cake meant for the creation of dental and other kinds of molds.
Date: May 13, 1919
Creator: Downie, J. H.
System: The Portal to Texas History
Distant Control Switch Socket For Electric Lights (open access)

Distant Control Switch Socket For Electric Lights

Patent for an improved electric light control switch design meant to decrease the rate of energy consumption.
Date: May 13, 1919
Creator: Davis, J. M.
System: The Portal to Texas History
Record-Filing Cabinet (open access)

Record-Filing Cabinet

Patent for a record filing cabinet designed to show every record within as well as records of different sizes.
Date: May 13, 1919
Creator: McCart, Robert jr.
System: The Portal to Texas History
Construction of the Hulls of Concrete Ships. (open access)

Construction of the Hulls of Concrete Ships.

Patent for "new and useful improvements in Construction of the Hulls of Concrete Ships" (lines 5-6). The improvements enable concrete hulls to be made efficiently, comparatively lightweight, and durable with a new form of rib reinforcement providing strength to withstand all strains of ocean travel.
Date: May 13, 1919
Creator: Holmgreen, Julius H.
System: The Portal to Texas History
Kiln (open access)

Kiln

Patent for improvements to kilns, which include improvements for transferring heat, "burning lime and clay products"(line 11), powdered fuel feeding and preventing unheated air from flowing into the kiln.
Date: May 13, 1919
Creator: Bone, David R.
System: The Portal to Texas History