Black History Month - Black Inventors

Patent Holders List Index R

Improved dust pan, Lloyd Ray - Black Inventor.

Black history inventors are listed alphabetically: use the A to Z index bar to navigate and select or just browse the many listings. Each listing has the name of the black inventor followed by the patent number(s) which is the unique number assigned to an invention when a patent is issued, the date the patent was issued, and a description of the invention as written by the inventor. If available, links are provided to in-depth articles, biographies, illustrations and photos on each individual inventor or patent.

How to submit to the database.

Victor Llewellyn Ransom

  • #3,231,866, 1/25/1966, Traffic data processing system
  • #3,866,185, 2/11/1975, Method and apparatus for gathering peak load traffic data

Debrilla M Ratchford

  • #4,094,391, 6/13/1978, Suitcase with wheels and transporting hook

Ernest P Ray

  • #620,078, 2/21/1899, Chair supporting device

Lloyd P Ray

Andre Reboucas

  • NA 1895 approx Torpedo

Craig C Redmond, Sr.

  • #6,085,356, 7/11/2000, Waist Band Expander

Judy W Reed

  • #305,474, 9/23/1884, Dough kneader and roller

Humphrey H Reynolds

  • #275,271, 10/7/1890, Window ventilator for railroad cars
  • #437,937, 4/3/1883, Safety gate for bridges

Mary Jane Reynolds

  • #1,337,667, 4/20/1920, Hoisting and loading mechanism

Robert Randolph Reynolds

  • #624,092, 5/2/1899, Nonrefillable bottle

Jerome Bonaparte Rhodes

  • #639,290, 12/19/1899 Water closet

Albert C Richardson

  • #255,022, 3/14/1882, Hame fastener
  • #446,470, 2/17/1891, Churn
  • #529,311, 11/13/1894, Casket-lowering device
  • #620,362, 2/28/1899, Insect destroyer
  • #638,811, 12/12/1899, Bottle

William H Richardson

  • #343,140, 6/18/1889, Cotton chopper
  • #405,599, 6/18/1889, Child's carriage
  • #405,600, 6/1/1886, Child's carriage

Charles V Richey

  • #584,650, 8/3/1897, Car coupling
  • #587,657, 10/26/1897, Railroad switch
  • #592,448, 12/28/1897, Railroad switch
  • #596,427, 12/13/1898, Fire escape bracket
  • #615,907, 6/3/1913, Combined cot, hammock, and stretcher
  • #1,063,599, 7/7/1931, Telephone register and lock-out device
  • #1,812,984, 2/14/1933, Lockout for outgoing calls for telephone systems
  • #1,897,533 6/15/1897, Time control system for telephones

    Alvin Longo Rickman

    • #598,816, 2/8/1898, Overshoe

    James Ricks

    • #338,781, 3/30/1886, Horseshoe
    • #626,245, 6/6/1899, Overshoe for horses

    Norbert Rillieux

    • #3,237, 8/26/1843, Improvement in sugar works
    • #4,879, 12/10/1846, Sugar processing evaporator

    Cecil Rivers

    • 6,731,483, 2/14/2003, Circuit breaker with single test button mechanism

    Louis W Roberts

    • #3,072,865, 1/8/1963, Gaseous discharge device
    • #3,257,620, 6/21/1966, Device for gas amplication by stimulated emission and radiation GASAR
    • #3,377,576, 4/9/1968, Gallium-wetted movable electrode switch

    Elbert R Robinson

    • #505,370, 9/19/1893, Electric railway trolley
    • #594,286, 11/23/1897, Casting composite or other car wheels

    Hassel D Robinson

    • #D 66,703, 2/24/1925, Design for a traffic signal casing
    • #1,580,218, 4/13/1926, Traffic signal for automobiles

    Ira C Robinson

    • #3,577,514, 5/4/1971, Sustained release pharmaceutical tablets

    James H Robinson

    • #621,143, 3/14/1899, Lifesaving guard for locomotives
    • #623,929, 4/25/1899, Lifesaving guard for street cars

    John Robinson

    • #356,852, 2/1/1887, Dinner pail

    Neal Moore Robinson

    • #1,422,479 7/11/1922 Vehicle wheel

    Arnold Romain

    • #402,035 4/23/1889 Passenger register

    Raymond E Rose

    • #3,618,388 11/9/1971 Control apparatus

    Archia L Ross

    • #565,301, 8/4/1896, Runner for stoops
    • #605,343, 6/7/1898, Bag closure
    • #638,068, 11/28/1899, Trousers support or stretcher

    Joseph Ross

    • #632,539, 9/5/1899, Hay press

    David N Roston

    • #556,166, 3/10/1896, Feather curler

    Edwin R Russell

    • #2,855,269, 10/7/1958, The separation of plutonium from uranium and fission products
    • #2,992,249, 7/11/1961, Ion exchange absorption process for plutonium separation
    • #3,296,123, 1/3/1967, Removal of cesium from aqueous solution by ion exchange
    • #3,309,323, 3/14/1967, Thorium oxide or thorium-uranium oxide with magnesium oxide

    Jesse Eugene Russell

    • #5,930,247, 7/27/1999, Broadband data reception system for Worldnet access
    • #6,044,403, 3/28/2000, Network server platform for Internet, Java server and video application server

    John Russell

    • #6,968,993, 11/17/2003, Mailbox assembly

    Joseph L Russell

    • #3,995,011, 11/30/1976, Preparation of tungsten hexafluoride from halogen and hydrogen fluoride

    Lewis A Russell

    • #544,381, 8/13/1895, Guard attachment for beds

    Earl Ryder

    • #3,129,095, 4/14/1964, High silicon cast iron
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    Your Citation
    Bellis, Mary. "Black History Month - Black Inventors." ThoughtCo, Jun. 4, 2017, thoughtco.com/african-american-inventors-r-1991301. Bellis, Mary. (2017, June 4). Black History Month - Black Inventors. Retrieved from https://www.thoughtco.com/african-american-inventors-r-1991301 Bellis, Mary. "Black History Month - Black Inventors." ThoughtCo. https://www.thoughtco.com/african-american-inventors-r-1991301 (accessed September 21, 2017).