107 Matching Results

Search Results

Results: 1 - 24 next

Charge Firing Pin

Description: Patent for a new improvement in Charge - Firing Pens by John N. Swanson. Designed for bombs and torpedoes to create a simple firing pen mechanism that is simple, yet prevents accidental detonation of munitions
Date: January 14, 1918
Creator: Swanson, John N.
Partner: UNT Libraries Government Documents Department

Box-Fastener

Description: Patent for a box fastener that works to fasten the lid automatically when the lid is placed on the box.
Date: January 17, 1893
Creator: Fisher, Charles N.
Partner: UNT Libraries Government Documents Department

Improvement in Combined Wrench and Saw-Set.

Description: Patent for improvements in the "combination of a wrench with a saw-setting device attached to the sliding jaw thereof" (lines 17-19). Includes instructions and illustrations.
Date: January 22, 1878
Creator: Backer, Jacob
Partner: UNT Libraries Government Documents Department

Rotary Boring-Drill.

Description: Patent for new and useful improvement for rotary boring-drills that are used for drilling wells.
Date: January 5, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Lubricating car-axles

Description: Patent for an improvement in axle lubrication involving an oil-elevator, axle-box and journal-box. Includes illustrations.
Date: January 7, 1873
Creator: Morris, Joseph R.
Partner: UNT Libraries Government Documents Department

Loose-Leaf Binder

Description: Patent for loose-leaf binders. A strong and easy way to attach or remove loose leaf papers from a flat book.
Date: January 4, 1906
Creator: Owen, Thomas
Partner: UNT Libraries Government Documents Department

Improvement in Fluting-Machines.

Description: Patent for an improvement in gage-fluting machines, including an illustration. "It relates to a machine for fluting or crimping articles of ladies' apparel" (lines 6-7).
Date: January 14, 1873
Creator: Saunders, David R.
Partner: UNT Libraries Government Documents Department

Well Mechanism

Description: Patent for a well mechanism that provides a coupling with strong, tight joints for the other parts of the mechanism. Illustrations included.
Date: January 26, 1909
Creator: Layne, Mahlon E.
Partner: UNT Libraries Government Documents Department

Indexing Device.

Description: Patent for an indexer of paper documents in book form. It is made to open along the center with visible subject headings.
Date: January 18, 1921
Creator: Moran, Stanley C.
Partner: UNT Libraries Government Documents Department

Improvements in Expanding Mandrels.

Description: Patent for improvements in expanding mandrels by way of an expanding-chuck.
Date: January 23, 1872
Creator: Simons, John
Partner: UNT Libraries Government Documents Department

Pumping Mechanism

Description: Patent for pumping mechanism.
Date: January 9, 1917
Creator: Layne, Mahlon E.
Partner: UNT Libraries Government Documents Department

Rotary Boring-Drill

Description: Patent for improved rotary boring-drill with more efficiently mounted rollers.
Date: January 13, 1920
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Drill Bit for Wells

Description: Patent for drill bit for drilling wells.
Date: January 2, 1917
Creator: Martin, Robert D.
Partner: UNT Libraries Government Documents Department

Pump Piston

Description: Patent for an "Improvement in Pump-Pistons" (lines 5-6) including illustrations.
Date: January 13, 1920
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Plug for Repairing Hose

Description: Patent for a plug for repairing hose. Illustration included.
Date: January 5, 1909
Creator: Monaghan, Alphosus Legouri
Partner: UNT Libraries Government Documents Department

Well-Drilling Tool.

Description: Patent for a well-drilling tool adapted for use in a sticky shale or similar formations.
Date: January 31, 1922
Creator: Reed, Clarence E.
Partner: UNT Libraries Government Documents Department

Domino-Shuffler.

Description: Patent for an invention that mechanically shuffles dominoes.
Date: January 21, 1919
Creator: Eichblatt, Otto H.
Partner: UNT Libraries Government Documents Department

Switch-Operating Device.

Description: Patent for "new and useful improvements in switch-operating devices" (lines 1-6).
Date: January 16, 1906
Creator: Chun, William A.
Partner: UNT Libraries Government Documents Department

Improvements in Bread-Pans

Description: Patent for a bread pan with attached lid that slices bread as it bakes. Includes instructions and illustration.
Date: January 30, 1912
Creator: Jefferson, George F.
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a pump. Illustration included.
Date: January 31, 1905
Creator: Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Drill-Bit

Description: Patent for an improved kind of drill bit that is more durable against rock. The bit's cutting rollers have a frusto-conical shape, and are also detachable.
Date: January 24, 1919
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Scraper.

Description: Patent for a scraper with interchangeable blades, which can be used "for glue joints, and... scraping molded surfaces" (lines 25-26) that includes instructions and illustrations.
Date: January 28, 1919
Creator: Hartmann, John H.
Partner: UNT Libraries Government Documents Department

Elevator.

Description: Patent for an elevator used to lift pipe and other similar objects, the invention is designed to help drilling operations for oil wells.
Date: January 20, 1920
Creator: Steen, Buford J.
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.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen