542 Matching Results

Search Results

prev Results: 49 - 72 next

Window-Screen.

Description: Patent for improvements in screen constructions in connection with doors or windows. The goal is to provide a means for encouraging insects that are on the inner surfaces of the screen.
Date: January 20, 1920
Creator: McGeorge, Jefferson F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wire-Straightening Tool.

Description: Patent for a wire straightening tool, with illustrations, that relies on a series of levers and cams to apply pressure to the wire as it is pulled through. The patent notes that "the wires can be straightened quickly and with facility, thereby permitting the using of all twisted and bent wire which has heretofore gone to waste and resulting in considerable saving of metal" (page 2, lines 14-18).
Date: January 27, 1920
Creator: Cervenka, Frank L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for improving wrenches to reach "parts of machinery [that are] ordinarily difficult [to] access" (lines 12-13), specifically "used in removing or replacing the nut or nuts on a fourth connecting rod of a Ford motor [ . . . ] such rod being in a position difficult to reach by an ordinary wrench" (lines 17-21).
Date: October 26, 1920
Creator: Slagle, George R.; Garner, Arthur N. & Rushin, Willliam R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for an improvement to wrenches. This wrench uses a sliding jaw system for increased utility.
Date: April 29, 1920
Creator: Grogan, Edward W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for a Vehicle-Wheel. This patent is an improvement over the other patents that this inventor submitted before. It will improve and strengthen the wheel by replacing rivets and bots, and instead use clips and springs.
Date: May 18, 1920
Creator: Allen, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for an improvement in tractors that allowed adjustment to the tread or allowed distance between traction elements.
Date: February 10, 1920
Creator: Franklin, Floyd P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor-Coupling

Description: Patent for tractor coupling. The object of the invention is to provide a coupling for tractor and plow. When a plow hits an obstruction, the coupling will automatically disengage tractor and plow without breaking any parts.
Date: December 21, 1920
Creator: Hart, Lawrence H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for animal trap that has a mechanism in connection with spring traps, which is controlled by the closing of the trap, with U-shaped jaws that are spaced slightly apart in order to avoid severing or crushing the animals leg when the jaws of the trap closes. It is meant to prevent the animal from escaping by leaving its leg in the trap.
Date: October 26, 1920
Creator: Manning, James, Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for a simple live trap suitable for use both on land and in water.
Date: February 10, 1920
Creator: Peavy, Josiah
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ventilated Body-Garment.

Description: Patent for new ventilated body-garments "known as union-oversuits or "unionalls"" (lines 15-16) which improves the shoulder coverings and open armpit areas, allowing the passage of air but covering the area from rain.
Date: December 28, 1920
Creator: Jenkins, William M. & Vaughan, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Transmission-Gear

Description: Patent for improvements in motor vehicle transmissions in which all gears mesh at one time as opposed to being shifted and are "obtained by clutching different selected drive gears to the drive shaft of the transmission." (lines 18-20)
Date: August 3, 1920
Creator: Downie, James H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for improvements in tires, specifically a system that assists with weight distribution and adjustments to road surface conditions.
Date: May 18, 1920
Creator: Allan, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trailer.

Description: Patent for trailers for attachment to trucks that is strong and compact and will not be distorted by the turning of the trailer relative to the truck.
Date: August 31, 1920
Creator: Feigelson, Alexander
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well Cable-Pump

Description: Patent for an improved pump that can be used in connection with deep wells and provides improved construction that alleviates the necessity of having a long line of extra pipe and the troubling pump rod.
Date: July 27, 1920
Creator: Fender, Joe N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Train-Order Holder.

Description: Patent for Train-Order Holder designed to keep sheets of paper secure and in place to prevent writing on margins and displacement.
Date: November 30, 1920
Creator: Crady, Daniel R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Cleaner.

Description: Patent for improvements for cleaning oil, water, and gas wells that goes into the well and flushes out a clogged screen.
Date: August 6, 1920
Creator: Bashara, Samuel F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).
Date: March 23, 1920
Creator: Weaver, William S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vending-Machine.

Description: Patent for improvements in the construction of coin-operated vending machines which automatically lock when coins are not inserted. This device is designed to dispense objects of many shapes and sizes. Illustrations included.
Date: January 6, 1920
Creator: Ogden, Carlton N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor-Wheel.

Description: Patent for a new and improved design that provides adaptability for tractor wheels, including illustrations. It allows tractor wheels that are designed to be used on sandy or soft land to also be used on hard soil.
Date: November 2, 1920
Creator: Furche, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor Turning Mechanism.

Description: Patent for a tractor turning mechanism that will allow tractors to turn at any angle up to a right angle by locking one of the driving ground wheels into a pivot point for the other wheels of the tractor.
Date: February 17, 1920
Creator: Chenoweth, William B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen