Those below with an asterisk (*) accompanying the patent number are known
to have at least one working prototype built.
| |
Patent Number |
Title |
Patent Issue Date |
Applicant |
Assignee |
 |
305 |
Framing of Locomotive
Steam Engines |
July 29, 1837 |
Ross Winans |
- |
 |
308 |
Locomotive - Steam Engine |
July 29, 1837 |
Ross Winans |
- |
 |
1,653 |
Locomotive - Steam Engine |
June 27, 1840 |
Asa Whitney |
- |
 |
3,201 |
Locomotive - Steam Engine |
July 28, 1843 |
Ross Winans |
- |
 |
3,866 |
Locomotive - Steam Engine |
December 31, 1844 |
Edwin F. Johnson |
- |
 |
6,321 |
Inclined Railroad |
April 17, 1849 |
William Hoyt |
- |
 |
27,920 |
Steam Carriage |
April 17, 1860 |
J. Vaughn Merrick |
- |
 |
75,280 |
Improvement In
Locomotive-Engines |
March 10, 1868 |
Sylvester L.Langdon |
- |
 |
111,603 |
Improvement in
Driving-Power for Locomotives |
February 2, 1871 |
William D. Arnett |
- |
 |
123,367 |
Improvement In
Locomotive-Engines |
February 6, 1872 |
Sidney Skillman |
- |
 |
176,684 |
Improvements in
Locomotives |
April 25, 1876 |
Nathen L. Repress |
- |
 |
186,146 |
Improvements in
Steam-Cars |
January 9, 1877 |
Helem Merrill |
- |
 |
252,331 |
Locomotive-Engine |
January 17, 1882 |
Henry F. Shaw |
- |
 |
266,103* |
Locomotive Driving Gear |
October 17, 1883 |
William Crippen |
- |
 |
272,633* |
Locomotive |
February 20, 1883 |
Alanson A Blackman
Elhanan Blackman
Hyrcanus Blackman |
- |
 |
274,480 |
Rotary-Engine Locomotive |
March 27, 1883 |
I. N. Forbes |
- |
 |
277,994 |
Locomotive |
May 22, 1883 |
William Edward Cole |
- |
 |
280,428 |
Traction Engine |
July 3, 1883 |
William Wilkinson |
- |
 |
290,756* |
Logging Locomotive |
December 25, 1883 |
John Dolbeer |
- |
 |
353,395* |
Locomotive |
November 30, 1886 |
Henry K. Adams |
- |
 |
356,085 |
Locomotive-Engine |
January 11, 1887 |
Theodore T. Woodruff |
Charles E. Convis (1/2
assignment)
New York, New York |
 |
367,335* |
Locomotive |
July 26, 1887 |
John Blasdale |
Tanner & Delaney Engine
Company
Richmond, Virginia |
 |
380,168* |
Locomotive |
March 27, 1888 |
John Blasdale |
Richmond Locomotive &
Machine Works
Richmond, Virginia |
 |
387,266* |
Locomotive |
August 7, 1888 |
William L. Sykes |
- |
 |
416,724 |
Locomotive |
December 10, 1889 |
Peter Faithfull
William Simpkin |
- |
 |
419,637 |
Locomotive-Engine |
January 21, 1890 |
Monroe W. Carroll |
- |
 |
448,160 |
Locomotive Gearing |
March 10, 1891 |
Robert B. McWhirter |
John Y. Burgoyne (1/4
assignment)
Lima, Ohio |
 |
462,556 |
Locomotive Engine |
November 3, 1891 |
A. J. Huber |
- |
 |
477,889 |
Street-Locomotive |
June 28, 1892 |
Ezra Dederick |
- |
 |
585,530 |
Locomotive |
June 29, 1897 |
William W. Maddox |
- |
 |
661,045 |
Mountain Locomotive |
November 6, 1900 |
George S. Fouts |
- |
 |
674,897 |
Steam Propulsion Device |
May 28, 1901 |
Paul Rudolph Bocksch |
- |
 |
679,214 |
Locomotive |
July 23, 1901 |
Robert M. Bryant |
- |
 |
808,685 |
Locomotive Engine |
January 2, 1906 |
John Edward Roberts |
R. Carnahan, Jr. (1/2
assignment)
Onedia, Kentucky |
 |
831,948 |
Railway Motor-Truck |
September 25, 1906 |
Gilbert S. Gunderson |
- |
 |
840,442 |
Locomotive |
January 1, 1907 |
Gilbert G. Davis |
- |
 |
870,769 |
Locomotive |
November 12, 1907 |
John Earl Friermood |
- |
 |
882,618* |
Locomotive |
March 24, 1908 |
George H. Bothwell |
- |
 |
887,195 |
Truck |
May 12, 1908 |
Oscar C. Hopkins |
- |
 |
923,564 |
Locomotive For Logging
And The Like |
June 1, 1908 |
John R. McGiffert |
Clyde Iron Works
Duluth, Minnesota |
 |
934,944 |
Locomotive |
September 21, 1909 |
Hal R. Stafford |
American Locomotive Co.
New York, New York |
 |
970,389 |
Locomotive |
September 13, 1910 |
Oscar G. Pendleton |
- |
 |
993,924 |
Locomotive |
May 30, 1911 |
John Walton |
- |
 |
1,180,763*(Related: 1,516,957) |
Locomotive Driving Wheel
See
Oak Grove &
Georgetown Railroad #5 |
April 25, 1916 |
Matthew Livingston
Davis, Jr. |
- |
 |
1,252,519 |
Gearing for Locomotives |
January 8, 1918 |
John Walton |
- |
 |
1,367,714 |
Locomotive Drive |
February 8, 1921 |
Samuel Pickering |
- |
 |
1,371,712 |
Locomotive |
March 15, 1921 |
Harry L. Turney
Antoine G. Labbe' |
- |
 |
1,386,528 |
Driving Mechanism for
Locomotives |
August 2, 1921 |
Samuel Pickering |
- |
 |
1,412,250 |
Propulsion Unit for
Vehicles |
April 11, 1921 |
James A. McGrew
James T. Loree |
- |
 |
1,428,464 |
Steam Engine |
September 5, 1922 |
James D. White
Dira S. Stout |
- |
 |
1,435,374 |
Geared Locomotive |
November 14, 1922 |
William E. Bouschor |
- |
 |
1,481,679 |
Locomotive |
January 22, 1924 |
William E. Bouschor |
- |
 |
1,499,870 |
Driving Mechanism for
Geared Locomotives |
July 1, 1924 |
Samuel Pickering |
- |
 |
1,516,957*
(Related: 1,180,763) |
Locomotive Driving Gear
See
Oak Grove &
Georgetown Railroad #5 |
November 25, 1924 |
Matthew Livingston
Davis, Jr. |
- |
 |
1,530,520 |
Locomotive Booster |
March 24, 1925 |
Montague H. Roberts |
- |
 |
1,537,368 |
Bearing Box |
May 12, 1925 |
Richard L. Neubert |
- |
 |
1,670,624 |
Geared Locomotive |
May 22, 1928 |
Oscar C. Hopkins |
- |
 |
1,678,309 |
Steam Engine |
July 24, 1928 |
Everett W Swartwout |
- |
 |
1,878,838 |
Reversible Auxiliary
Locomotive |
September 20, 1932 |
Clarence H. Froelich |
Bethlehem Steel Company
Bethlehem, Pennsylvania |
 |
2,078,262 |
Locomotive |
April 27, 1937 |
John A. McGrew |
- |
 |
2,149,063 |
Locomotive |
February 28, 1939 |
John A. McGrew |
- |
 |
2,181,244 |
Propulsion Unit |
November 28, 1939 |
John A. McGrew |
- |
 |
2,186,355 |
Locomotive Gear Drive |
January 4, 1940 |
Lyndon F. Wilson |
Wilson Engineering Corporation. |
 |
2,197,373 |
Geared Locomotive With
Twin-Shaft Engine |
April 16, 1940 |
William J. Besler
Stanley J. Whitlock |
- |
 |
2,214,424 |
Locomotive |
September 10, 1940 |
John A. McGrew |
- |
 |
2,235,957 |
Geared Two Crank
Locomotive Unit |
March 25, 1941 |
William J. Besler
Stanley J. Whitlock |
- |
 |
2,265,096 |
Geared Locomotive |
December 2, 1941 |
William J. Besler |
- |
 |
2,289,203 |
Locomotive |
July 7, 1942 |
John A. McGrew |
- |