Silo. (open access)

Silo.

Patent for a reinforced concrete silo, including specifications and illustrations.
Date: May 29, 1917
Creator: Abbett, Edgar J.
Object Type: Patent
System: The Portal to Texas History
Device for Stripping Wheels from Shafts (open access)

Device for Stripping Wheels from Shafts

Patent for a device for stripping wheels from shafts. Illustrations included.
Date: May 14, 1912
Creator: Allien, Leon F.
Object Type: Patent
System: The Portal to Texas History
Railway Frog (open access)

Railway Frog

Patent for railway frog. This invention is an object to provide an improved mounting of the wing rail. Illustration included.
Date: May 30, 1905
Creator: Anderson, Sidney A.
Object Type: Patent
System: The Portal to Texas History
Valve-Grinder. (open access)

Valve-Grinder.

Patent for a valve grinder that fit together perfectly to prevent leakage and a consequent loss of power.
Date: May 16, 1916
Creator: Atkin, Frank R.
Object Type: Patent
System: The Portal to Texas History
Filing-Cabinet. (open access)

Filing-Cabinet.

Patent for a filing cabinet that allows for the easy removal of the contents and attaches to other filing cabinets to create a larger cabinet.
Date: May 4, 1909
Creator: Atkinson, Joseph J.
Object Type: Patent
System: The Portal to Texas History
Doll. (open access)

Doll.

Patent for a doll that will be durable and attractive by constructing a rigid form of the human bust and shoulders which serves to make these parts more durable, including illustrations and instructions.
Date: May 7, 1912
Creator: Baker, Marie K.
Object Type: Patent
System: The Portal to Texas History
Automobile Running-Gear (open access)

Automobile Running-Gear

Patent for a new automobile running gear that uses the front and rear wheels to propel the vehicle through rough, uneven terrain.
Date: May 5, 1914
Creator: Beaman, Fred.
Object Type: Patent
System: The Portal to Texas History
Combined Rubber Dam and Tooth Backing Punch (open access)

Combined Rubber Dam and Tooth Backing Punch

Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Date: May 19, 1908
Creator: Bell, Harry M.
Object Type: Patent
System: The Portal to Texas History
Hose-Clamp (open access)

Hose-Clamp

Patent for "certain new and useful Improvements in Hose-Clamps" (lines 5-6). "It is the object of this invention to provide a clamp which is provided with yieldable slips, which securely clamp the hose to prevent the separation of the hose from the nipple..." (lines 30-34).
Date: May 21, 1918
Creator: Bennett, Clarence D.
Object Type: Patent
System: The Portal to Texas History
Oil-Burner. (open access)

Oil-Burner.

Patent for an oil burner, which produces more heat through the use of super-heated air to encourage better combustion.
Date: May 4, 1909
Creator: Bissonnet, William Joseph
Object Type: Patent
System: The Portal to Texas History
Pipe Connection. (open access)

Pipe Connection.

Patent for the use and improvement of pipe connections.
Date: May 28, 1912
Creator: Breaker, Lewis F.
Object Type: Patent
System: The Portal to Texas History
Oil-Burner (open access)

Oil-Burner

Patent for an oil burner for refined oil which vaporizes all the oil put into the burner.
Date: May 4, 1909
Creator: Breckenridge, William D.
Object Type: Patent
System: The Portal to Texas History
Oil-Burner. (open access)

Oil-Burner.

Patent for an oil-burner, which can be turned on and off with a single switch.
Date: May 4, 1909
Creator: Breckenridge, William D.
Object Type: Patent
System: The Portal to Texas History
Attachment for Cameras. (open access)

Attachment for Cameras.

Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
Date: May 15, 1917
Creator: Bretz, George W.; Lowry, Claud A.; Wood, Oscar O.; Wade, J. H.; Pirtle, P. R.; Jones, F. E. et al.
Object Type: Patent
System: The Portal to Texas History
Self-Closing Bundle-Receptacle. (open access)

Self-Closing Bundle-Receptacle.

Patent for a receptacle basket that attaches to the side of an automobile and closes automatically using springs and hinges.
Date: May 3, 1921
Creator: Cardwell, Charles E.
Object Type: Patent
System: The Portal to Texas History
Car Door. (open access)

Car Door.

Patent for a new and improved door for railroad cars. This design consists in "[t]he combination, with the car having the door-opening with its upper and lower edges parallel and inclined upward and inward, and the bolt-keeper secured to the sill of the car, of the door having correspondingly-inclined upper and lower edges, the guide-staple and fulcrum-bracket secured to the door at proper points, the operating-lever pivoted to said bracket, the link-rods and bolt, the [other] link-rod pivoted at its lower end to the operating-lever" (lines 4-14).
Date: May 28, 1889
Creator: Charlton, James
Object Type: Patent
System: The Portal to Texas History
Door Hanger. (open access)

Door Hanger.

Patent for a new and improved hanger for doors and gates. This design consists in "the brackets secured to a door or gate way at intervals apart and having the horizontal supporting arms, the track made of angle-iron and having the horizontal treadway secured to the arms of the brackets, and the upwardly-extending flange at the outer edge of the treadway, and the hangers secured to the door or gate and having their upper portions bent to form an inverted U-shaped yoke or frame, and rollers journaled between the sides of the frame" (lines 80-91).
Date: May 17, 1887
Creator: Charlton, James
Object Type: Patent
System: The Portal to Texas History
Hydraulic Drill (open access)

Hydraulic Drill

Patent for a hydraulic drill that allows drill bits to be easily inserted and removed and locks them in place when inside the drill.
Date: May 21, 1907
Creator: Charlton, James
Object Type: Patent
System: The Portal to Texas History
Design for a Hatchet or Ax Head. (open access)

Design for a Hatchet or Ax Head.

Design patent for a hatchet or ax head that is marked by a substantially wedge-shaped claw configured to the head.
Date: May 9, 1899
Creator: Charpiot, John B.
Object Type: Patent
System: The Portal to Texas History
Sample-Taking Device. (open access)

Sample-Taking Device.

Patent for a sample-taking device to be used in well-drilling processes, which is unique in its simple construction, low manufacturing costs, and ease of use.
Date: May 24, 1921
Creator: Christian, Walton G.
Object Type: Patent
System: The Portal to Texas History
Combination Claw and Pinch Bar (open access)

Combination Claw and Pinch Bar

Patent for a combination claw and pinch bar that is adapted for use with railway tracks. Illustrations included.
Date: May 10, 1910
Creator: Clarke, Marcus S. & Adreon, Edward L.
Object Type: Patent
System: The Portal to Texas History
Gas-Burner. (open access)

Gas-Burner.

Patent for gas burners that are made for water heaters to prevent "back firing" by building them so that they can be placed on the side of the heater rather than underneath it, so that liquid does not fall on the burner.
Date: May 23, 1916
Creator: Cochran, Harry A.
Object Type: Patent
System: The Portal to Texas History
Pump-Piston. (open access)

Pump-Piston.

Patent for an improved pump piston used to pump oil from deep wells. The main improvement in this piston is that it is less susceptible to damage from sand or sediment by keeping sediment out of the piston valve, thus preventing it from accruing any long term damage that may render the piston irreparable. This design is also capable of fixing any wear due to sand or grit without removing the piston from the well.
Date: May 4, 1920
Creator: Coulson, William J.
Object Type: Patent
System: The Portal to Texas History
Valve-Flushing Means (open access)

Valve-Flushing Means

Patent for a method of expelling debris and deposits in a foot valve, including illustrations.
Date: May 4, 1920
Creator: Coulson, William J.
Object Type: Patent
System: The Portal to Texas History