African-American Railroader Month - Celebrating Leadership | Inventors

Granville T. Woods Inventions

Patent Number Invention Patent Date
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U.S. 299,894
U.S. 308,876
U.S. 315,368
U.S. 364,619
U.S. 366,192
U.S. 368,265
U.S. 371,241
U.S. 371,655
U.S. 373,383
U.S. 373,915
U.S. 383,844
U.S. 385,034
U.S. 386,282
U.S. 387,839
U.S. 388,803
U.S. 395,533
U.S. 438,590
U.S. 463,020
U.S. 507,606
U.S. 509,065
U.S. 569,443
U.S. 630,280
U.S. 639,692
U.S. 656,760
U.S. 662,049
U.S. 667,110
U.S. 678,086
U.S. 681,768
U.S. 687,098
U.S. 690,807
U.S. 690,808
U.S. 690,809
U.S. 690,810
U.S. 695,988
U.S. 697,767
U.S. 697,928
U.S. 701,981
U.S. 718,183
U.S. 729,481
U.S. 755,825
U.S. 762,792
U.S. 795,243
U.S. 833,193
U.S. 837,022
U.S. 867,180
Steam Boiler Furnace Comment: First Patent.
Telephone Transmitter
Apparatus for Transmission of Messages by Electricity
Relay Instrument
Polarized Relay
Electro Mechanical Brake
Telephone System and Apparatus
Electro Mechanical Brake Apparatus
Railway Telegraphy
Induction Telegraph System
Overhead Conducting System for Electric Railway
Electro-Motive Railway System
Tunnel Construction for Electric Railway
Galvanic Battery
Railway Telegraphy
Automatic Safety Cut-Out for Electric Circuits
Automatic Safety Cut-Out for Electric Circuits.
Electric Railway System
Electric-Railway Supply System.
Electric Railway Conduit
System of Electrical Distribution
System of Electrical Distribution.
Amusement Apparatus
Incubator.
Automatic Circuit-Breaking Apparatus.
Electric Railway
Electric Railway System
Regulating and Controlling Electrical Translating Devices
Electric Railway
Controlling Electric Motors or Other Electrical Translating Devices.
Controlling Electric Motors or Other Electrical Translating Devices.
Controlling Electric Motors or Other Electrical Translating Devices.
Controlling Electric Motors or Other Electrical Translating Devices.
Electric Railway.
System of Electrical Control.
Motor Controlling Apparatus.
Automatic Air Brake
Electric Railway System
Electric Railway
Railway-Brake Apparatus.
Electric-Railway Apparatus.
Railway-Brake Apparatus.
Safety Apparatus for Railways.
Safety Apparatus for Railways.
Vehicle-Controlling Apparatus
June 3, 1884
Dec. 2, 1884
April 7, 1885
June 7, 1887
July 5, 1887
Aug. 16, 1887
Oct. 11, 1887
Oct. 18, 1887
Nov. 15, 1887
Nov. 29, 1887
May 29, 1888
June 26, 1888
July 17, 1888
Aug. 14, 1888
Aug. 28, 1888
Jan. 1, 1889
Oct. 14, 1890
Nov. 10, 1891
Oct. 31, 1892
Nov. 21, 1893
Oct. 13, 1896
Aug. 1, 1897
Dec. 19, 1899
August 28, 1900
Nov. 20, 1900
Jan. 29, 1901
July 9, 1901
Sept. 3, 1901
Nov. 19, 1901
Jan. 7, 1902
Jan. 7, 1902
Jan. 7, 1902
Jan. 7, 1902
Mar. 25, 1902
April 15, 1902
April 15, 1902
June 10, 1902
Jan. 13, 1903
May 26, 1903
March 29, 1904
June 14, 1904
July 18, 1905
Oct. 16, 1906
Nov. 27, 1906
Sept. 24, 1907