4,821 Matching Results

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Coupling (open access)

Coupling

This patent is for a new coupling system to connect hollow pipes. It is specifically designed to address issues of vibration, which cause the coupling pin to become damaged.
Date: July 10, 1919
Creator: Hiegel, Joseph L.
Object Type: Patent
System: The Portal to Texas History
[Letter from the Sunbeam Corporation to Daniel W. Kempner, July 8, 1952] (open access)

[Letter from the Sunbeam Corporation to Daniel W. Kempner, July 8, 1952]

Letter from F. G. Evans of the Sunbeam Corporation to Daniel W. Kempner returning his newly repaired electric razor and discussing the best power adapters to use while in Europe.
Date: July 8, 1952
Creator: Sunbeam Corporation
Object Type: Letter
System: The Portal to Texas History
[Letter from Elizabeth Ann Upshur Teackle Quinby to her husband, Aaron B. Quinby, July 28, 1840] (open access)

[Letter from Elizabeth Ann Upshur Teackle Quinby to her husband, Aaron B. Quinby, July 28, 1840]

Letter from Elizabeth Ann Upshur Teackle Quinby to her husband, Aaron B. Quinby, updating him on her health and asking him to write.
Date: July 28, 1840
Creator: Quinby, Elizabeth Ann Upshur Teackle
Object Type: Letter
System: The Portal to Texas History
[Letter from Jesse B. Quinby Jr. to his uncle, Jesse B. Quinby, February 9, 1842] (open access)

[Letter from Jesse B. Quinby Jr. to his uncle, Jesse B. Quinby, February 9, 1842]

Letter from Jesse B. Quinby Jr. to his uncle, Jesse B. Quinby.
Date: February 9, 1842
Creator: Quinby, Jesse Balderston Jr.
Object Type: Letter
System: The Portal to Texas History
[Letter from Ezra Sewell Quinby to his brother, Aaron B. Quinby, September 18, 1842] (open access)

[Letter from Ezra Sewell Quinby to his brother, Aaron B. Quinby, September 18, 1842]

Letter from Ezra Sewell Quinby to his brother, Aaron Balderston Quinby.
Date: September 18, 1842
Creator: Quinby, Ezra Sewell
Object Type: Letter
System: The Portal to Texas History
[Clipping: 'Charges...Totally False'] (open access)

[Clipping: 'Charges...Totally False']

Newspaper clipping containing excerpts from a question and answer session held by Richard Nixon at the Executives' Club of Chicago.
Date: March 16, 1974
Creator: unknown
Object Type: Clipping
System: The Portal to Texas History

[Century Plant Fair, 2006]

Photograph of a large aloe vera plant placed in front of a concrete pillar. There is an engraving of a flower on the pillar. [2006, Dallas, TX]
Date: 2006
Creator: Doherty, Richard, 1951-
Object Type: Photograph
System: The UNT Digital Library
Bottle-Stopper. (open access)

Bottle-Stopper.

Patent for "a bottle-stopper which shall not require any wire, cap or clamp for holding it and which shall by reason of its form and of the materials of which it is composed afford a tight joint or seal under all circumstances." (Lines 13-17) Includes instructions and illustrations.
Date: February 11, 1896
Creator: Davis, Clifton H.
Object Type: Patent
System: The Portal to Texas History
Bucket Excavator. (open access)

Bucket Excavator.

Patent for "new and useful Improvement in Bucket Excavators, of which the following is a specification. My invention relates to excavators of that kind in which a bucked is arranged to travel back and forth upon a runway which is lowered into the ground and which is adapted to determine the cross sectional outline of the ditch or excavation" (lines 5-13).
Date: November 30, 1915
Creator: Bettis, William I.
Object Type: Patent
System: The Portal to Texas History
Cotton and Corn Planter. (open access)

Cotton and Corn Planter.

Patent for a cotton and corn planter that does not put as much pressure on the tongue of the machine as previous models and that allows the plow attachment to be lifted higher off the ground to avoid obstacles.
Date: June 4, 1907
Creator: Goodnight, Frank H.
Object Type: Patent
System: The Portal to Texas History
[Memorandum from Arthur M. Alpert, March 28, 1962] (open access)

[Memorandum from Arthur M. Alpert, March 28, 1962]

Letter from Arthur M. Alpert discussing Cecile B. Kempner's ownership of the 200 shares and dividends received.
Date: March 28, 1962
Creator: Alpert, Arthur M.
Object Type: Letter
System: The Portal to Texas History
[Letter from Edmund A. Stephan, Jr. to Harris Leon Kempner, Jr, April 22, 1965] (open access)

[Letter from Edmund A. Stephan, Jr. to Harris Leon Kempner, Jr, April 22, 1965]

Letter from Edmund A. Stephan, Jr. to Harris Leon Kempner, Jr. attaching a Hornblower & Weeks-Hemphill, Noyes annual comparison of the five major banks in Chicago.
Date: April 22, 1965
Creator: Stephan, Edmund A., Jr.
Object Type: Letter
System: The Portal to Texas History
[Letter from Ed Stephen to Harris Leon Kempner, Jr, 1965] (open access)

[Letter from Ed Stephen to Harris Leon Kempner, Jr, 1965]

Letter from Ed Stephen to Harris Leon Kempner, Jr. thanking him for the hospitality on his visit to Galveston, talking about his experiences while in the town, and discussing the various reports that he is sending Kempner. He notes that his unprofessional typing job is due to this letter being sent out at 9:30pm on a Monday. He requests that Kempner come to Chicago sometime so that Stephen may return the hospitality.
Date: 1965
Creator: Stephen, Ed
Object Type: Letter
System: The Portal to Texas History
Check-Punch. (open access)

Check-Punch.

Patent for a simple, inexpensive, and compact check-punch that can be operated by one hand and doesn't take much power to operate. The machine consists of two movable members, "one of which carries all of the male and the other all of the female dies, said members being so related that when moved relatively to each other in one direction all the male dies move as a single member...and enter the female dies, and when moved in the opposite direction all of said male dies are withdrawn" (lines 12-20).
Date: March 17, 1896
Creator: Woodworth, Charles H.
Object Type: Patent
System: The Portal to Texas History
Broom or Brush (open access)

Broom or Brush

Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date: March 16, 1915
Creator: Airhart, Noah S. & Gold, Egbert H.
Object Type: Patent
System: The Portal to Texas History
Oral History Interview with John Murphy, April 6 and 13, 2021 captions transcript

Oral History Interview with John Murphy, April 6 and 13, 2021

Video recording of interview with John Murphy, UNT professor of jazz studies. Murphy discusses his youth in Baltimore, Maryland, during the 1960s and 1970s including his music education at Baltimore County Public Schools, and the musical influence of the Left Bank Jazz Society; His experience as a UNT student in the jazz studies and music theory programs (1981-1986); playing saxophone in the One O’clock Lab Band and at venues around Denton; His research as an ethnomusicologist studying Cuban and Brazilian music and work as a professor at Western Illinois University (1992-2001) then the University of North Texas (2001-2020) where he served in faculty and administrative roles to further develop the jazz studies program and help preserve the program’s history.
Date: {2021-04-06,2021-04-13}
Creator: Noel, Heather & Murphy, John P. (John Patrick)
Object Type: Video
System: The UNT Digital Library
Boiler Skimmer or Cleaner (open access)

Boiler Skimmer or Cleaner

Patent for improvements for a boiler skimmer or cleaner with suitable valves to control the blowing off from scum, steam or water.
Date: September 9, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
Object Type: Patent
System: The Portal to Texas History
Plow (open access)

Plow

Patent for plow. Illustration included.
Date: April 2, 1907
Creator: Hendon, Walter P.
Object Type: Patent
System: The Portal to Texas History
Boiler-Skimmer. (open access)

Boiler-Skimmer.

Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
Object Type: Patent
System: The Portal to Texas History
Automobile Road-Light. (open access)

Automobile Road-Light.

Patent for an automobile road-light improvement that causes the lights of a moving vehicle to move in conformity of the vehicle itself. The device is readily attachable to automobiles of standard type.
Date: February 25, 1919
Creator: Tausch, Joseph H.
Object Type: Patent
System: The Portal to Texas History

[Postal Card from American Florist Supply Co., June 26, 1952]

Postal card from American Florist Supply Co. to Daniel W. Kempner acknowledging they have received his order.
Date: June 26, 1952
Creator: American Florist Supply Co.
Object Type: Postcard
System: The Portal to Texas History