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Methods and Systems for Indoor Navigation (open access)

Methods and Systems for Indoor Navigation

Patent relating to methods and systems for indoor navigation.
Date: October 13, 2011
Creator: Dantu, Ram
System: The UNT Digital Library
Apparatus and Method for Inducing Electrical Property Changes in Carbon Nanotubes (open access)

Apparatus and Method for Inducing Electrical Property Changes in Carbon Nanotubes

Patent relating to an apparatus and method for inducing electrical property changes in carbon nanotubes.
Date: September 21, 2004
Creator: Allara, David L., 1937-; Chen, Min; Henley, Donald E.; Imholt, Timothy & Roberts, James A.
System: The UNT Digital Library
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.
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.
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
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.
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.
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.
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.
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.
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.
System: The Portal to Texas History
Confection. (open access)

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.
System: The Portal to Texas History
Water-Heater. (open access)

Water-Heater.

Patent for a water heater with a two-part jacket that allows the circulation of heat and products of combustion to maximize its fuel efficiency.
Date: June 21, 1921
Creator: Fowles, Alfred T.
System: The Portal to Texas History
Lift for Gin-Breasts. (open access)

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.
System: The Portal to Texas History
Peanut-Harvester (open access)

Peanut-Harvester

Patent for a peanut harvester which can be attached to a standard cultivator frame. It is designed to uproot and sever peanut vines, then deposit the newly aerated peanut vines back onto the ground.
Date: June 29, 1920
Creator: Byrd, Gordon W.
System: The Portal to Texas History
Pneumatic Pump. (open access)

Pneumatic Pump.

Patent for pumps for oil and water wells that can be operated by compressed air to force the water or oil out of the well.
Date: June 29, 1920
Creator: Goss, George W.
System: The Portal to Texas History
Shredding and Blending Mechanism for Feed. (open access)

Shredding and Blending Mechanism for Feed.

Patent for a mechanism that shreds hay, straw, or other feed.
Date: June 29, 1920
Creator: Stubbs, Robert A.
System: The Portal to Texas History
Drill-Bit. (open access)

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.
System: The Portal to Texas History
Shelving (open access)

Shelving

Patent for a shelving unit designed to display books for sale in a storefront, including illustrations.
Date: June 22, 1920
Creator: Wieman, Herman A.
System: The Portal to Texas History
Churning Device (open access)

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.
System: The Portal to Texas History
Ignition Device. (open access)

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.
System: The Portal to Texas History
Auto Steering-Lock (open access)

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.
System: The Portal to Texas History
Brake-Band Clencher (open access)

Brake-Band Clencher

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.
System: The Portal to Texas History
Engine. (open access)

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.
System: The Portal to Texas History