1,538 Matching Results

Search Results

Advanced search parameters have been applied.
in place name: "United States - Texas - Harris County - Houston"  
prev Results: 1513 - 1536 next

Drill Bit

Description: Patent for improvements in drill bits, particularly in the application used in drilling in soft formations, such as clay, gumbo, or similar material. The purpose of the invention is to provide a way to prevent the sticking of material to the drill and drill collar while the drilling operation is being performed.
Date: February 14, 1922
Creator: Childs, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pneumatic Disk Gin.

Description: Patent for an improved version of a pneumatic disk gin. It has been designed for "ginning fibrous material, such as seed cotton" (lines 13-14) and improves the separation of the cotton and the seeds with the use of its perforated disks.
Date: February 14, 1922
Creator: Garner, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seed Cleaner

Description: Patent for cleaning seeds. This invention will improve seed cleaning and catch unwanted seeds.
Date: February 14, 1922
Creator: Garner, James C
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Core-Barrel.

Description: Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cross-Head

Description: Patent for a cross-head for piston pumps which helps prevent breakage of the other pump parts.
Date: September 14, 1909
Creator: Dubuque, Arthur
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Attachment for Internal-Combustion Engines.

Description: Patent for an invention relating to the attachment for internal combustion engines that will provide moisture through the form of liquid or vapors. Other objectives and illustrations of invention are included.
Date: August 14, 1917
Creator: Potts, Hugh
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bottle

Description: Patent for a new and useful improvements in bottles. This invention is to "provide an improved vessel of this class the neck of which is formed in such manner and provided with attachments so constructed that when the vessel has been filled and the attachment applied the vessel may be emptied of its contents, but cannot be refilled or reused" (line 12- 18).
Date: December 14, 1897
Creator: Saunders, David Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen