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1,645 Matching Results
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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
Sample-Taking Device
Patent for new and useful improvements for devices to take samples from wells. Specifically designed to take samples from hard formations, such as rock or other hard surfaces, being pierced from the drill from any depth in a well.
Date:
April 5, 1921
Creator:
Dodds, Redus D.
System:
The Portal to Texas History
Vignetting Attachment for Multiple-Exposure Cameras.
Patent for a multiple exposure camera attachment that allows multiple exposures to be made on a single plate or film, blending the exposures perfectly while avoiding harsh lines. The attachment is a telescopic tubular attachment with "a plurality of apertured light ray interrupting diaphragms" (lines 77-78).
Date:
April 5, 1921
Creator:
Moine, Selest E.
System:
The Portal to Texas History
Washing-Machine
Patent for a Washing-Machine which includes a base, a rotary rubbing drum with a foraminous concave rubbing bed of flexible material on the lower portion of the drum. Adjustable springs attached to the rubbing drum vary the drawing tension of the flexible rubbing bed.
Date:
April 5, 1921
Creator:
Seifert, John W.
System:
The Portal to Texas History
Well-Drilling Tool.
Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.
Date:
April 5, 1921
Creator:
Clore, Franklin H.
System:
The Portal to Texas History
Wrench
Patent for an improvement to wrenches. This wrench uses a sliding jaw system for increased utility.
Date:
April 29, 1920
Creator:
Grogan, Edward W.
System:
The Portal to Texas History
Bottle-Holder.
Patent for an ink bottle holder that allows for sturdy tilting and prevents ink from spilling.
Date:
April 27, 1920
Creator:
Smith, Edwin Ruthven
System:
The Portal to Texas History
Demountable Rim.
Patent for improved demountable rims for automobiles that are easy to mount and detach as well as cheaper and easier to manufacture.
Date:
April 27, 1920
Creator:
McPherson, Arthur Edison
System:
The Portal to Texas History
Mail Carrier or Container.
Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date:
April 27, 1920
Creator:
Blocker, Leck H.
System:
The Portal to Texas History
Method of Stretching and Securing Wire.
Patent for a "new method of stretching and securing wire" (line 6).
Date:
April 27, 1920
Creator:
Coulter, Thomas H.
System:
The Portal to Texas History
Pipe-Wrench.
Patent for a pipe wrench that can be "operated in either direction" (line 18) to screw and unscrew a pipe with an easy application and secure grip.
Date:
April 27, 1920
Creator:
Nixon, Jeddy D.
System:
The Portal to Texas History
Rotary Cutting Device for Razors.
Patent for a shaving razor designed with a "cylindrical outer surface adapted to rotate in contact with the skin" (line 111-112) which allows for safer and more efficient shaving, includes illustrations.
Date:
April 27, 1920
Creator:
Jones, Sidney, P.
System:
The Portal to Texas History
Rotary Engine.
Patent for an improved rotary engine which overheats less, reduces the space between the piston and cylinder, and is easy to construct and operate.
Date:
April 27, 1920
Creator:
Jefferies, Charlie Q.
System:
The Portal to Texas History
Torch or Burner
Patent for a torch or burner for use in burning brush or foliage, which uses a pressure-controlled liquid fuel tank that maintains a steady flow of fuel at the correct pressure.
Date:
April 27, 1920
Creator:
Hardt, Benjiman F. & Taylor, Samuel T.
System:
The Portal to Texas History
Pump
Patent for an improvement on the design of pumps used in the oil industry. This uses a combination of water, sand, grits, and other sediments for deep wells.
Date:
April 23, 1920
Creator:
Scott, Floyd L.
System:
The Portal to Texas History
Adjustable Footrest.
Patent for an improved, adjustable foot rest that allows for more adjustments and range of motion "to any desired position for the comfort of the user" (lines 13-14), and is secured to the floor.
Date:
April 20, 1920
Creator:
Kingsford, Walter E.
System:
The Portal to Texas History
Automobile-Windlass
Patent for improved windlass for an automobile that attaches to both rear wheels to prevent idling
Date:
April 20, 1920
Creator:
Davis, Marion A.
System:
The Portal to Texas History
Book-Holding Device
Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date:
April 20, 1920
Creator:
Barry, David Redmond
System:
The Portal to Texas History
Combined Adding and Listing Machine.
Patent for new improvements on combined adding and listing machines simplifying and economizing construction and facilitating, "rapidity of operation" (lines14-15). Improvements include: "causing the keys to act directly as stops for the adding wheel section; to provide novel accumulator mechanism...[with] a novel actuator; to provide a novel construction or sector-control bar; to provide a novel key-bar for operating...; to provide novel means for restoring the accumulator to normal; to provide stop mechanism to permit the carryovers of the accumulator...;to provide novel means for restoring the sectors to normal; to provide improved means for holding the accumulator in operative or inoperative position...; to provide novel means for connecting the accumulator sectors with the type sectors; 5o provide novel means for connecting the accumulator sectors with the type sectors; to provide novel means for actuating the hammer and paper feed mechanism; to provide improved general-error key mechanism; to provide an improved construction and operation of key-bar and sector-control bar; to permit of the operation of elimination" (lines 15-46).
Date:
April 20, 1920
Creator:
McCaleb, Walter F.
System:
The Portal to Texas History
Device for Teaching Music
Patent for a music education device aimed toward children and basic music building blocks. It is designed to teach the positions of piano keyboard notes through the use of differently dressed and named puppets. These puppets can be adjusted to also introduce basic musical concepts like rests, rhythm, and time.
Date:
April 20, 1920
Creator:
Maxwell, Annie L.
System:
The Portal to Texas History
Mail-Transferring Apparatus.
Patent for a mail transferring apparatus designed to transfer mail bags from a station to a moving mail car with minimal injury to the mail bag or the receiving employees.
Date:
April 20, 1920
Creator:
Bashell, Edward Allen & Smart, W. L.
System:
The Portal to Texas History