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1,640 Matching Results
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Truss.
Patent for a new truss designed to hold ruptures without discomfort, suitable for single and double ruptures. The truss features a novel spring plate, soft rubber pads, and adjustable waterproof bands.
Date:
April 19, 1921
Creator:
Downie, James H.
System:
The Portal to Texas History
Wall Construction
Patent for a relatively simple constructed wall that is built using concrete slabs. It is constructed in a manner that requires less material thus resulting in a wall that is hollow all the while providing sufficient strength to hold weight and pressure. Includes illustrations.
Date:
April 19, 1921
Creator:
Needham, Edward F.
System:
The Portal to Texas History
Washing-Machine
Patent for an improved clothes containing basket within washing machines that is longer-lasting and less likely to become imbalanced. The device increases agitation of clothes and water.
Date:
April 19, 1921
Creator:
Seifert, John W.
System:
The Portal to Texas History
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
Cotton-Chopper
Patent for a machine that can be drawn along a row of cotton to chop the adjacent plants and cultivate the ground under the machine. The device is height adjustable by the operator.
Date:
April 12, 1921
Creator:
Schwab, Bruno; Schneider, Richard & Hoegenauer, Haver
System:
The Portal to Texas History
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
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
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
Hanger For Car-Doors.
Patent for a hanger for use in car doors to prevent jamming or binding during opening or closing.
Date:
April 12, 1921
Creator:
Jordan, Charles H.
System:
The Portal to Texas History
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
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
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
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
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
Automatically-Operated Gate and Door
Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date:
April 9, 1921
Creator:
Brown, George W.
System:
The Portal to Texas History
Adjustable Luggage-carrier
Patent for a luggage carrier that attaches to vehicles to carry packages of various sizes. Includes illustrations.
Date:
April 5, 1921
Creator:
Green, John R.
System:
The Portal to Texas History
Aircraft
Patent for Improvements to aircraft steering. The invention allows the pilot to adjust the center of mass.
Date:
April 5, 1921
Creator:
Johnson, Louis V.
System:
The Portal to Texas History
Animal-Trap
Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.
Date:
April 5, 1921
Creator:
Brewington, Philip Jennings
System:
The Portal to Texas History
Automatic Separator and Evaporator.
Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
Date:
April 5, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
Combined Brace and Angle-Bar for Vehicle-Bodies.
Patent for braces and angle bars on vehicle bodies that improves the brace to hold buggy beds together with illustration that shows improvements. "When these braces are secured on the bed they will prevent the adjacent parts of the bed from splitting, spreading or dropping down and they will hold the ends and sides, as well as the bottom of the bed securely in place" (lines 61-66).
Date:
April 5, 1921
Creator:
Kilpatrick, Robert L.
System:
The Portal to Texas History
Digging-Machine.
Patent for a digging machine specialized in breaking hard soil and creating ridges that attempt to reduce erosion.
Date:
April 5, 1921
Creator:
Holly, Charles
System:
The Portal to Texas History
Garment-Hanger.
Patent for a new garment hanger with supported arms that can be folded for storage, including illustrations.
Date:
April 5, 1921
Creator:
Morton, John R.
System:
The Portal to Texas History
Means For Protecting Vaults.
Patent for protecting bank vaults by using metal shells (that are adapted to receive frangible gas containers containing asphyxiating or other disabling gas) as inner linings inside and next to the brick wall of the vault. The metal shells containing the gas containers will break upon contact when a person or persons are trying to breach the outer (brick wall) to gain access to the bank vault.
Date:
April 5, 1921
Creator:
Bumpass, Leonard E.
System:
The Portal to Texas History
Priming-Cup
Patent for an improved version of the priming cup "shown in Patent No. 1,329,464, granted February 3, 1920" (lines13-14). Includes illustrations.
Date:
April 5, 1921
Creator:
Martinek, Stanley A.
System:
The Portal to Texas History