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12 Matching Results
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12
Automatic Gas-Release Packer.
Patent for automatic gas release packer that uses constant pressure regulated by spring-controlled valves for better control when lifting oil out of wells.
Date:
April 11, 1922
Creator:
Cummings, William J.
Object Type:
Patent
System:
The Portal to Texas History
Geology of the Wiles Area Ranger District, Texas
This report describes the economic geology of the Wiles area Ranger District, Texas.
Date:
June 28, 1922
Creator:
Dobbin, Carroll E.
Object Type:
Report
System:
The UNT Digital Library
The Lacasa Area, Ranger District North-Central Texas
This document reports the economic geology of the Lacasa area, Ranger district in North-Central Texas, with fieldwork done in April and May of 1919.
Date:
December 23, 1921
Creator:
Ross, Clarence S.
Object Type:
Report
System:
The UNT Digital Library
Breckenridge 1-d Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000
Date:
1924
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Albany Sheet
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date:
1925
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Breckenridge Sheet
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date:
1922
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Breckenridge 1-b Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000
Date:
1925
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Breckenridge 1-a Quadrangle
Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:48000
Date:
1924
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Grapple.
Patent for improving grapples for regaining tools, particularly those that can be hidden and submerged.
Date:
April 26, 1921
Creator:
James. C. Ginter.
Object Type:
Patent
System:
The Portal to Texas History
Bailer.
Patent for improved bailer for deep wells (e.g., oil wells), cheaper to use and manufacture, with a better delivery gate and improved method for triggering gate closure upon bailer withdrawal.
Date:
July 26, 1921
Creator:
Swartz, Ira
Object Type:
Patent
System:
The Portal to Texas History
Door Stop and Holder.
Patent for an invention that relates to door stops and holders, with the object to limit the swinging of the door when opened and will also hold the door open when it is desired to maintain the same in a open position.
Date:
June 29, 1920
Creator:
Newsom, John Wesley
Object Type:
Patent
System:
The Portal to Texas History
Door-Holder.
Patent for a new door holder that is designed so that it will not press down the carpet pile if it is used to hold open a door in a carpeted area. It also is designed to hang on the key or handle of the door when not in use and is big enough that someone would not accidentally stow it in their pocket if they took the key.
Date:
September 28, 1920
Creator:
Lanning, Edwin
Object Type:
Patent
System:
The Portal to Texas History