UNT Libraries Government Documents Department - 115 Matching Results

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Auto Steering-Lock

Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.

Date: June 1, 1920

Creator: Cosby, Luther F.

Patent for improvements in brake-band clenchers. It is intended to "provide an improved Ford brake band clencher adapted for holding the brake bands in place while the transmission case is being replaced" (lines 14-18).

Date: June 17, 1919

Creator: McCaffrey, Harry J. & Roberge, Edgar, J.

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

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.

Battery.

Patent for an improvement to batteries, particularly pertaining to their electrochemical components, including an illustration and instructions.

Date: June 10, 1919

Creator: Crowley, Richard Joseph

Collar Fastener or Clasp

Patent for a fastener to hold the flaps of a collar securely.

Date: June 21, 1921

Creator: Kelly, Orson N.

Churning Device

Patent for an improved churning device that provides a carrier for the churning receptacle, making manufacturing cheaper and operation easier.

Date: June 15, 1920

Creator: Thompson, Robert A. & Morris, Lute P.

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.

Lift for Gin-Breasts.

Patent for safely positioning the gin breast by including a operating lever to raise, swing, or lower the breast.

Date: June 7, 1921

Creator: Pool, Charles R. P.

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.

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.

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.

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.

Confection.

Patent for confections with an edible packaging. These confections come in the form of a spherically shaped casing, simulating a baseball, which have been secured together and contain an edible filling.

Date: June 21, 1921

Creator: Cressey, John A.

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.

Leather-Working Machine

Patent for a leather-working machine which performs the many steps involved in finishing leather straps and related items into one easy step, with illustrations.

Date: June 4, 1918

Creator: Russell, Frank K.

Engine.

Patent for improvements in engines including governors which have "inertia bars or governing weights" (lines 12-13) including illustrations. In this improvement, the "inertia bars constitute parts of the counterweight" which "counterbalance engine cranks" (lines 14-16).

Date: June 17, 1919

Creator: Pratt, Clarence E.

Drill-Bit.

Patent for improvements in drill bit constructions that allows the drill bit to be switched out and the new bit locked in so it is secure.

Date: June 22, 1920

Creator: Midgett, Penelton G.

Ignition Device.

Patent for improvements in Ignition Devices. This device will assist in locating trouble when a multi-cylinder gasoline engine is not firing regularly and one cylinder is "missing".

Date: June 8, 1920

Creator: Wood, Robert N.