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Carrier sense data highway system. [Patent for a two-way Data Transmission System]
A data transmission system is disclosed which includes a transmission medium which has a certain propagation delay time over its length. A number of data stations are successively coupled to the transmission medium for communicating with one another. Each of the data stations includes a transmitter for originating signals, each signal beginning with a carrier of a duration which is at least the propagation delay time of the transmission medium. Each data station also includes a receiver which receives other signals from other data stations and inhibits operation of the transmitter at the same data station when a carrier of another signal is received.
Date:
April 30, 1981
Creator:
Frankel, R.
System:
The UNT Digital Library
Toxic Agent Sensor and Detector Method, Apparatus, and System
Patent relating to a toxic agent sensor and detector method, apparatus, and system.
Date:
May 25, 2006
Creator:
Henley, Donald E.; Anand, Aman; Imholt, Timothy & Roberts, James A.
System:
The UNT Digital Library
One-piece, composite crucible with integral withdrawal/discharge section
A one-piece, composite open-bottom casting mold with integral withdrawal section is fabricated by thermal spraying of materials compatible with and used for the continuous casting of shaped products of reactive metals and alloys such as, for example, titanium and its alloys or for the gas atomization thereof.
Date:
July 30, 2002
Creator:
Besser, Matthew; Terpstra, Robert L. (Iowa State Univ., Ames, IA); Sordelet, Daniel J.; Anderson, Iver E.; Hartman, Alan D.; Argetsinger, Edward R. et al.
System:
The UNT Digital Library
Apparatus For Making Mattresses
Patent for mattress making machine, which cleans, compresses, and stuffs cotton or other materials into a mattress, including illustrations.
Date:
July 30, 1901
Creator:
Woolery, John T.
System:
The Portal to Texas History
Automatic Dumping Cage
Patent for a new and improved automatic dumping cage. This invention is to "use in the shafts of coal and other mines"(line 9-10).
Date:
November 30, 1897
Creator:
Gordon, William K.
System:
The Portal to Texas History
APPARATUS FOR PUMPING WATER, SAND, &c.
Patent for "an apparatus for emptying sandboxes of locomotives" (lines 13-14) "operated by compressed air to elevate and discharge sand, water, &c." (lines 10-11).
Date:
October 30, 1900
Creator:
Butler, Thomas
System:
The Portal to Texas History
Alarm Attachment for Electric Bells.
Patent for "an Alarm Attachment for Electric Bells." "The object in view is the provision of means for facilitating the change of an ordinary door-bell into a continuously-ringing alarm apparatus, while leaving the mechanism free to be changed back into its former operative condition as a door-bell."(Lines 10-15) Including illustrations and instructions.
Date:
June 30, 1902
Creator:
Blakeney, Henry
System:
The Portal to Texas History
Apparatus for Checking Runaway Horses.
Patent for a new and useful apparatus for checking runaway horses, including instructions and illustrations.
Date:
August 30, 1898
Creator:
Singleton, James M.
System:
The Portal to Texas History
Compound For Destroying Boll Weevils
Patent for a compound that destroys boll weevils.
Date:
August 30, 1904
Creator:
Kitchen, George C. & Brockman, J. B.
System:
The Portal to Texas History
Clevis
Patent for clevis. Illustration included.
Date:
March 30, 1909
Creator:
Cousins, John R.
System:
The Portal to Texas History
Bale-Tie.
Patent for a bale-fastening device that "may be applied with facility to a cotton-bale or to an equivalent package." (lines 9-11) including instructions and illustrations. The tie comprises "a band, a key engaged with the band and rotatable to coil the same therearound, and a lock fitted upon the band and engaged with the key to prevent reverse rotation thereof" (lines 105-109).
Date:
August 30, 1898
Creator:
Campbell, Douglas M.
System:
The Portal to Texas History
Combined Pencil Holder and Sharpener.
Patent for a combined pencil holder and sharpener, which uses the sharpener as a pencil cap.
Date:
November 30, 1909
Creator:
Haase, Conrad H.
System:
The Portal to Texas History
Chopper and Cultivator.
Patent for a chopper and cultivator with a rod with moveable blades attached that allows for the blades to be changed between different types for planting or cultivating.
Date:
April 30, 1907
Creator:
Odom, Elbert T.
System:
The Portal to Texas History
Air-Lift Pump
Patent for an air lift pump. Illustrations included.
Date:
July 30, 1912
Creator:
Holmgreen, Julius H. & Underwood, William H.
System:
The Portal to Texas History
Combined Cotton Chopper and Cultivator.
Patent for "useful improvements in combined cotton choppers and cultivators" (lines 10-11) including illustrations.
Date:
July 30, 1907
Creator:
Arnold, Willard M. ; W. M. Arnold
System:
The Portal to Texas History
Multipolar corneal-shaping electrode
The disclosure relates to a multipolar probe using radiofrequency energy to reshape the cornea of an eye. The surface of the cornea is flushed continuously with a conductive coolant during operation.
Date:
April 30, 1981
Creator:
Doss, J.D.
System:
The UNT Digital Library
Corn or Cotton Planter.
Patent for a new and improved planter. This design consists in "[t]he combination of the frame, the seed-tube secured therein, the box secured around the upper end of the seed-tube and having the upper beveled edge, the hopper having its lower end resting on the said beveled edge, and the straps secured to the hopper and the box" (lines 52-58).
Date:
October 30, 1888
Creator:
Womack, George Edwin
System:
The Portal to Texas History
Combined Record, Diary, and Ledger
Patent for improvements to books by combining "a general record, a diary, a ledger, and index leaves, including the months and days of the week and alphabetical and numerical indices" (lines 10-12).
Date:
August 30, 1892
Creator:
Meyer, Henry
System:
The Portal to Texas History
Cloth-Bolt Clamp.
Patent for a clamp "to hold the folds of a bolt of cloth in position and to prevent the same form being unwound except when desired." (Lines 23-25) Includes instructions and illustrations.
Date:
March 30, 1897
Creator:
Leveritt, Nicholas T.
System:
The Portal to Texas History
Baling-Press.
Patent for an improvement to machinery to wind fibrous materials (e.g., cotton) into cylindrical bales that does not use a core or fixed horizontal rollers.
Date:
March 30, 1897
Creator:
Ross, William Andrew
System:
The Portal to Texas History
Baling Press.
Patent for a new and improved baling-press. This design consists in "[t]he combination of the frame or support, the lever-arms, the winch and the ropes connecting the said arms thereto, the follower, the toggle-jointed levers connecting the said follower with the frame, and the rods connecting the joints of the said levers to the lever-arms, with the follower and the fulcrumed levers, having their inner ends connected to the follower and their outer ends connected to [a different] follower whereby the said followers move simultaneously when the winch is turned" (lines 83-94).
Date:
March 30, 1886
Creator:
Robburts, George W.
System:
The Portal to Texas History
Clevis.
Patent for a simple, inexpensive, and improved clevis that can be easily manufactured and employed to a draft-beam. It can be used without a lapring in order to connect to a singletree. The singletree can have its "staple or eye...disposed in a plane with the said singletree" (lines 16-17).
Date:
January 30, 1894
Creator:
Word, Aaron Matthias
System:
The Portal to Texas History
Cattle-Guard.
Patent for a simple and inexpensive cattle-guard that has comprising rollers which can be independently and easily replaced. The bars that hold the rollers can also be easily removed.
Date:
January 30, 1894
Creator:
Lefléve, Louis
System:
The Portal to Texas History
Automatic Air-Brake Coupling
Patent for "improved automatic pipe-coupling which shall overcome the difficulties found in the devices of this class heretofore in use, and which shall be cheap to manufacture, easy to repair, simple in construction, and extremely effective in use and operation" (lines 27-33).
Date:
July 30, 1889
Creator:
Roquemore, Peter G.
System:
The Portal to Texas History