29 Matching Results

Results open in a new window/tab.

Dredge-Pump (open access)

Dredge-Pump

Patent for new and useful improvements to Dredge-Pumps. The pump is used to draw up sand and gravel from the bottom of a river.
Date: April 12, 1921
Creator: Stenberg, Anders Gustaf
System: The Portal to Texas History
Carbon-Removing Tool (open access)

Carbon-Removing Tool

Patent for a new and improved carbon removing tool, which allows for the removal of carbon from the pistons of internal combustion engines. Includes illustrations.
Date: April 12, 1921
Creator: Slagle, Eugene H.
System: The Portal to Texas History
Metallic Mold for Concrete Walls (open access)

Metallic Mold for Concrete Walls

Patent for metallic molds for concrete or plastic walls. These molds have been improved in terms of their construction. Includes illustrations.
Date: April 12, 1921
Creator: Bolton, George W.
System: The Portal to Texas History
Memorandum-Calendar. (open access)

Memorandum-Calendar.

Patent for providing a memorandum calendar pad to be used for 2 consecutive years, that includes a filing wire of which the leaves of the pad can be attached to or detached from the calendar stand, and that will be inexpensive to make and easy to operate.
Date: April 12, 1921
Creator: Schramm, Henry A. & Hawkins, Jackson D.
System: The Portal to Texas History
Electrically-Controlled Puller For Oil-Well Casings. (open access)

Electrically-Controlled Puller For Oil-Well Casings.

Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.
Date: April 12, 1921
Creator: Dooley, William D.
System: The Portal to Texas History
Attachment for Lister-Cultivators (open access)

Attachment for Lister-Cultivators

Patent for improvements in attachments to lister-cultivators. Illustration is included.
Date: October 12, 1920
Creator: Degge, Marvin E.
System: The Portal to Texas History
Battery-Terminal-Fastening Device (open access)

Battery-Terminal-Fastening Device

Patent for improvements to battery terminal fastening devices. Illustration is included.
Date: October 12, 1920
Creator: Hawkins, Alda F.
System: The Portal to Texas History
Automatic Sand Trap (open access)

Automatic Sand Trap

Patent for an automatic sand trap related to automatic devices for separating suspensions into two products and is concerned with the separation of sand from water for dam building and like purposes.
Date: April 12, 1921
Creator: Allen, Charles
System: The Portal to Texas History
Adjustable Device for Dressing Down Bearings (open access)

Adjustable Device for Dressing Down Bearings

Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date: December 12, 1922
Creator: Mitchell, William A.
System: The Portal to Texas History
Vehicle-Wheel (open access)

Vehicle-Wheel

Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Date: April 12, 1921
Creator: Allan, William N.
System: The Portal to Texas History
Game-Board. (open access)

Game-Board.

Patent for a game board that includes barriers, inclines, and depressions in the board which is meant to simulate a game similar to baseball (as well as other games) using a cue ball. The game board also comes with auxiliary barriers to adjust gameplay.
Date: July 12, 1921
Creator: Sterling, Don L.
System: The Portal to Texas History
Sleeve-Puller. (open access)

Sleeve-Puller.

Patent for simple and inexpensive sleeve puller, primarily for "pulling sleeves from the rear axle housing of a motor vehicle" (lines 13-14), with illustrations.
Date: July 12, 1921
Creator: Wilson, Joseph H.
System: The Portal to Texas History
Self-Lining Interlocking Building-Block. (open access)

Self-Lining Interlocking Building-Block.

Patent for interlocking building-blocks that allow for the formation of strong insulated and properly lined walls without the use of skilled labor and with or without reinforcements.
Date: July 12, 1921
Creator: Merren, John Jay
System: The Portal to Texas History
Feeder for Soft Candy. (open access)

Feeder for Soft Candy.

Patent for bee feeder device that allows bees to have access to food during transport. The feeder also is designed to prevent any running and clogging, while minimizing bee death due to starvation.
Date: July 12, 1921
Creator: Ault, Eugene B.
System: The Portal to Texas History
Ironing-Board. (open access)

Ironing-Board.

Patent for an ironing board that has no legs or braces, but is securely held and provided with a cabinet that can be attached to the side of a wall or built into a wall to not take up space in the room by being placed out. Makes for easier ironing of garments, such as dresses and skirts, by allowing them to be inserted on the board.
Date: July 12, 1921
Creator: Trammell, Earl, M. & Carothers, Willam C.
System: The Portal to Texas History
Magnetically-Operated Oil-Well Fishing-Tool. (open access)

Magnetically-Operated Oil-Well Fishing-Tool.

Patent for an electrically operated tool designed to retrieve lost oil pump plungers or casings from within oil wells.
Date: April 12, 1921
Creator: Dooley, William D.
System: The Portal to Texas History
Method of Repairing Scored Cylinders. (open access)

Method of Repairing Scored Cylinders.

Patent for repairing scored cylinders in internal combustion engines by making the cylinders as smooth and hard as before they were scored and by filling the scores with metal to maintain the firmness.
Date: July 12, 1921
Creator: Eury, Zebulon J.
System: The Portal to Texas History
Wagon. (open access)

Wagon.

Patent for "a vehicle such as a wagon with means for automatically pulling cotton bolls." (lines 16-17)
Date: July 12, 1921
Creator: Jennings, William L.
System: The Portal to Texas History
Irrigating Apparatus. (open access)

Irrigating Apparatus.

Patent for new and useful improvements in irrigation apparatuses. The design includes "a system of surface irrigation comprising a main supply tank, a series of reservoirs, pipes connecting said tank and reservoirs" (lines 95-98). It is intended to allow for irrigating large and small plats of land simply and efficiently.
Date: October 12, 1920
Creator: French, Horatio Benjamin
System: The Portal to Texas History
Well-Tubing Catcher (open access)

Well-Tubing Catcher

Patent for an improved well tubing catcher, which "provides an equal and positive bearing surface for the gripper slips or dogs in all their adjusted positions" (lines 16-18), including illustrations.
Date: April 12, 1921
Creator: Wilson, Robert A.
System: The Portal to Texas History
Feed Spout Barrier (open access)

Feed Spout Barrier

Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Date: April 12, 1921
Creator: Allen, Charles
System: The Portal to Texas History
Fraud-Preventing Means For Commercial Papers (open access)

Fraud-Preventing Means For Commercial Papers

Patent for new format of bank checks in order to deter fraud.
Date: October 12, 1920
Creator: Tackett, William Albert
System: The Portal to Texas History
Ice-Carrier for Automobiles (open access)

Ice-Carrier for Automobiles

Patent for an ice carrier for automobiles. Illustration is included.
Date: October 12, 1920
Creator: Thielepape, Arnold W.
System: The Portal to Texas History
Self-Serving Vehicle-Store (open access)

Self-Serving Vehicle-Store

Patent for vehicle, that when stopped, can be turned into a store which customers enter through one end and exit the other.
Date: October 12, 1920
Creator: Moody, Jason B.
System: The Portal to Texas History