285 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "Science and Technology - Tools"  
prev Results: 25 - 48 next

Breech-Loading Fire-Arm.

Description: Patent for breech-loaded fire-arms, with illustrations. The purpose of the breech-loaded fire-arms was to improve existing fire-arms by allowing for a method to prevent accidental discharge.
Date: March 18, 1884
Creator: Schraud, Franz
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Dental]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: March 5, 1986
Duration: 2 minutes 03 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Hospital gowns]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: March 26, 1981
Duration: 1 minute 34 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Crane]

Description: Video footage from the WBAP-TV television station in Fort Worth, Texas, covering a news story.
Date: March 27, 1968
Duration: 1 minute 04 seconds
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

Counting-Machine.

Description: Patent for "a counting machine, and it more particularly relates to an attachment for typewriters (lines 12-14).
Date: March 3, 1914
Creator: Davis, Oscar C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Antikicking Device for Automobiles.

Description: Patent for a device that catches the crank of hand crank automobiles which were typical of the early 1900s in the United States of America. The invention addresses controlling the motion of the crank and preventing the crank from causing injury.
Date: March 20, 1917
Creator: Miller, Herman P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Alarm Device

Description: Patent for a spring motorized automatic alarm device with an improved tripping mechanism actuated by the medium of fire severing an actuator cord "or the like".
Date: March 9, 1915
Creator: Willoughby, Alford Pervis & Bolding, William D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bricklayer's Guide-Line Holder.

Description: Patent for improvements in Bricklayers' Guide-Line Holders with spring controlled jaws for anchoring the holder to the brick, securing it in a stationary position on the wall.
Date: March 31, 1914
Creator: Knott, Miller & Bible, Adam Calver
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Compressing Apparatus.

Description: Patent for a new air compressing apparatus which employs two kinds of tanks called high pressure containers and low pressure containers charged by means of an air compressing engine.
Date: March 16, 1915
Creator: Gebhardt, William Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Churn-Operating Device.

Description: Patent for a churn operating device to make the process more simple and efficient for the use of producing butter in the shortest possible time.
Date: March 23, 1915
Creator: Palm, Oliver
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bread-Knife.

Description: Patent for bread knives that consists of a plurality of knives spaced apart to cut the slices of uniform width.
Date: March 21, 1916
Creator: Roberts, Isaac F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Cooling Apparatus.

Description: Patent for an air cooling apparatus for air to be delivered into a room treated with moisture to reduce the temperature of the air without the use of ice.
Date: March 21, 1916
Creator: Hollenburger, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Impeller-Pump.

Description: Patent for an impeller pump with separate sections and parts that can be connected together. The line of pipe of can be withdrawn without removing the head, and there are measures to keep the liner in operative position. The patent includes instructions and illustrations.
Date: March 10, 1914
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Funnel.

Description: Patent for an improved "funnel device which is adapted to be connected to the inlet of a receptacle such as a tank and form therewith an air tight connection provided with a manually operated valve" (lines 18-23).
Date: March 7, 1916
Creator: Errington, Walter W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cheese-Hoop.

Description: Patent for improvements in cheese hoops by creating a suitable frame work to support a wire gauze or net on the sides and the top of the hoop. This protects the cheese when cutting out a portion of the cheese.
Date: March 30, 1915
Creator: Cain, William R. & Cain, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Corn-Heading Knife

Description: Patent for improvements in the cutting blades of corn-heading knives that are worn on the hands. Illustrations included.
Date: March 31, 1914
Creator: Owen, Melville D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Telltale Switch

Description: Patent for switch that indicates when a vacuum fails. Used for systems in "which it is desired to keep a ... uniform vacuum such as in fruit dryers, creosoting plants, surgace and jet condensing for steam plants and the like" (lines 21-25).
Date: March 23, 1915
Creator: Howland, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for a live animal trap that uses a trigger and allows for live bait. Wire fabric is used to prevent animals from digging and escaping.
Date: March 3, 1914
Creator: Herring, Henry H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen