Check-Writer. (open access)

Check-Writer.

Patent for a new check-writer machine capable of typewriting bank checks and similar documents with two sets of type, allowing for the printing of payee names, numerical amounts, and word amounts in a single movement.
Date: June 28, 1921
Creator: Wendelken, Charles
Object Type: Patent
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.
Object Type: Patent
System: The Portal to Texas History
Cotton-Picking Machine. (open access)

Cotton-Picking Machine.

Patent for a cotton-picking machine that arranges the picking elements at different elevations and spaces them apart "so that while several plants will be picked at the same time, only one portion of a plant will be worked on at a time," (lines 14-17), minimizing disturbance of the plant.
Date: June 28, 1921
Creator: Becknell, George T.
Object Type: Patent
System: The Portal to Texas History
Demountable Rim (open access)

Demountable Rim

Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.
Object Type: Patent
System: The Portal to Texas History
Lock and Key. (open access)

Lock and Key.

Patent for a lock which requires a key that is adjustable and difficult to duplicate in order to prevent lock picking.
Date: June 28, 1921
Creator: Dove, Bascom A.
Object Type: Patent
System: The Portal to Texas History
Measuring Vessel. (open access)

Measuring Vessel.

Patent for a measuring vessel that is meant to be used with a gasoline device described in patent application Serial No. 228,889.
Date: June 28, 1921
Creator: McKallip, John C.
Object Type: Patent
System: The Portal to Texas History
Method of Casting the Hulls of Ships From Concrete and Floating Said Hulls Into a Launching-Bay. (open access)

Method of Casting the Hulls of Ships From Concrete and Floating Said Hulls Into a Launching-Bay.

Patent for an improved, cost-effective method of releasing ship hulls from a mold via "hydrostatic means and floating said hull into the launching bay or channel" (lines 19-21) without the need for exterior scaffolding, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
Object Type: Patent
System: The Portal to Texas History
Mold for Casting the Hulls of Concrete Ships. (open access)

Mold for Casting the Hulls of Concrete Ships.

Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.
Date: June 28, 1921
Creator: Holmgreen, Julius H.
Object Type: Patent
System: The Portal to Texas History
Packer for Wells (open access)

Packer for Wells

Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William
Object Type: Patent
System: The Portal to Texas History
Pipe Tongs. (open access)

Pipe Tongs.

Patent for pipe tongs for drilling wells using rotary systems. The tongs are designed to be securely held against the drill stem using a lever, making them simple and economical to manufacture.
Date: June 28, 1921
Creator: Hill, Richard D.
Object Type: Patent
System: The Portal to Texas History
Pneumatic Cushioned Tire. (open access)

Pneumatic Cushioned Tire.

Patent for improvements to pneumatic cushioned tires, including guards to protect and shield the sides against abrasion.
Date: June 28, 1921
Creator: Kerr, Augustus Hallawell; Smith, J.A.; Atkinson, J. M.; Dacus, J.A. & Coley, W.L.
Object Type: Patent
System: The Portal to Texas History
Process and Apparatus for the Utilization of Heat in Oil-Engines. (open access)

Process and Apparatus for the Utilization of Heat in Oil-Engines.

Patent for an invention that improves the utilization of waste or surplus heat of internal combustion engines, specifically oil-burning engines of the Diesel type. This invention will assist diesel engines to run satisfactorily on lower or heavier-grade engine oils. This assists in the efficiency and production of Diesel engines.
Date: June 28, 1921
Creator: Lucke, Herbert R.
Object Type: Patent
System: The Portal to Texas History
Refrigerator-Door. (open access)

Refrigerator-Door.

Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin
Object Type: Patent
System: The Portal to Texas History
Roadway. (open access)

Roadway.

Patent for an improved roadway that utilizes concrete tracks and asphalt or bitumen filler to create a grooved, hard, and durable surface, with illustrations.
Date: June 28, 1921
Creator: Moore, Stuart B.
Object Type: Patent
System: The Portal to Texas History
Vegetable-Grading Apparatus. (open access)

Vegetable-Grading Apparatus.

Patent for a vegetable grading apparatus that delivers select grades of vegetables to the picker, separating the majority of vegetables into containers. The apparatus prevents bruising of vegetables and allows the picker to see all sides of the vegetables.
Date: June 28, 1921
Creator: Rigney, Samuel C.
Object Type: Patent
System: The Portal to Texas History
Display-Stand. (open access)

Display-Stand.

Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date: June 23, 1921
Creator: Gates, Norwood
Object Type: Patent
System: The Portal to Texas History
Attaching-Ring. (open access)

Attaching-Ring.

Patent for an attaching ring to connect a boiler to a water heater jacket that is described in pending application Serial No. 304,041.
Date: June 21, 1921
Creator: Fowles, Alfred T.
Object Type: Patent
System: The Portal to Texas History
Boring and Threading Tool. (open access)

Boring and Threading Tool.

Patent for an inexpensive, efficient boring and threading tool that "will enable a smooth and even surface to be produced with a minimum of skill on the part of the operator" (lines 18-21).
Date: June 21, 1921
Creator: Wells, Daniel Doolittle
Object Type: Patent
System: The Portal to Texas History
Bridge Construction. (open access)

Bridge Construction.

Patent for '' bridge improvements, especially for placement over gutters, ditches, and alike ''
Date: May 14, 1920
Creator: McKenzie, Philip A.
Object Type: Patent
System: The Portal to Texas History
Collar-Button. (open access)

Collar-Button.

Patent for collar-buttons made of inexpensive, non-metallic material that when applied to bands of unusual commercial form, can adapt itself to the curvature of the band without obstructing the free adjustment of a tie in connection with the folded type of collar.
Date: June 21, 1921
Creator: Baldwin, Lawrence G.
Object Type: Patent
System: The Portal to Texas History
Collar Fastener or Clasp (open access)

Collar Fastener or Clasp

Patent for a collar fastener "which will hold the flaps of a collar properly spaced from each other and insure a secure gripping of the flaps to avoid untidy appearance of the collar" (lines 14-17). Includes illustrations.
Date: June 21, 1921
Creator: Orson, Kelly N.
Object Type: Patent
System: The Portal to Texas History
Collar Fastener or Clasp (open access)

Collar Fastener or Clasp

Patent for a fastener to hold the flaps of a collar securely.
Date: June 21, 1921
Creator: Kelly, Orson N.
Object Type: Patent
System: The Portal to Texas History
Collar Fastener or Clasp. (open access)

Collar Fastener or Clasp.

Patent for a collar fastener that will grip the flaps of a collar and maintain the curvature of the collar in a neat manner.
Date: June 21, 1921
Creator: Kelly, Orson N.
Object Type: Patent
System: The Portal to Texas History
Collar Fastener or Clasp. (open access)

Collar Fastener or Clasp.

Patent for a collar fastener that grips the opposite edges of a soft fabric collar in a neat and presentable manner.
Date: June 21, 1921
Creator: Kelly, Orson N.
Object Type: Patent
System: The Portal to Texas History