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Name Number Author Published
traction wheels  1 Ruggles, J. 1836
screw propeller 588 Ericsson, John 1838
suspension bridge 4710 Roebling, John  1846
rubber tires 5104 Thomson, Robert 1847
method of raising stranded boats 6469 Lincoln, Abraham 1849
railroad car brake 8973 Otis, E.G. 1852
signal flares 23536 Coston, Martha 1859
railroad air brake 28670 Hodge, Nehemiah 1860
elevator 31128 Otis, Elisha G. 1861
bicycle 59915 Lallement, Pierre 1866
tube steamboiler 65042 Babcock, George 1867
roller skate 88711 Hodgson, Isaac 1869
railroad air brake 88929 Westinghouse, George 1869
cable car 110971 Hallidie, Andrew S. 1871
railroad air brake 124405 Westinghouse, George 1872
cable car 129130 Hallidie, Andrew S. 1872
elec. train signaling 130661 Robinson, William 1872
railroad car couplings 138405 Janney, Eli 1873
four stroke internal combustion engine 194047 Otto, Nicolaus A. 1877
life raft 240634 Allen, Frederick 1881
steam powered vehicle  341858 Russell, Linus E. 1886
steerable sled 408681 Allen, Samuel 1889
electric trolley car 424695 Van Depoele, Charles 1890
in-line roller skate 480610 Nielson, Walter 1892
trolley 496443 Van Depoele, Charles 1893
automobile  549160 Selden, George B. 1895
submarine 581213 Lake, Simon 1897
diesel engine  608845 Diesel, Rudolf 1898
carburetor 610040 Ford, Henry 1898
blimp (dirigible) 621195 Zepplin, Ferdinand Graf 1899
Stanley steamer 657711 Stanley, F. 1900
automobile 686046 Ford, Henry 1901
submarine 694154 Holland, John 1902
submarine  708553 Holland, John P. 1902
electric starter 745157 Coleman, Clyde J. 1903
tire making machine 762561 Seiberling 1904
airplane 821393 Wright Orville & Wilbur 1906
horizontal rudder 908929 Wright Orville & Wilbur 1909
vehicle tire 1000000 Holton, Francis 1911
automotive transmission 1005186 Ford, Henry 1911
airplane 1011106 Bell, Alexander Graham 1911
gasoline production (catalytic cracking) 1049667 Burton, William M. 1913
rocket  1102653 Goddard, Robert H. 1914
vertical rudder 1122348 Wright Orville & Wilbur 1914
automobile starter motor 1150523 Kettering, Charles F. 1915
seaplane 1156215 Curtis, Glenn 1915
automobile ignition system 1171055 Kettering, Charles F. 1916
gyroscopic compass  1279471 Sperry, Elmer A. 1918
parachute 1340423 Smith, James F. 1920
railroad crossing gate and signal 1344525 Virag, John 1920
helicopter 1350201 Yeso, Paul 1920
diving suit 1370316 Houdini, Harry 1921
supercharged engine 1375931 Rateau, Auguste 1921
self-sealing gas tank 1386791 Murdock, George 1921
adjustable pitch propeller 1404269 Caldwell, Frank W. 1922
reversible propeller 1404269 Caldwell, F. W. 1922
supercharged engine 1413419 Moss, Sanford A 1922
hydroplane 1420609 Curtiss, Glenn H. 1922
spark plugs 1501491 Kettering, Charles F. 1924
split flap 1504663 Wright Orville 1924
treaded pneumatic tire 1537879 Putnam, Alden 1925
helicopter 1551834 Monsen, Adolph 1925
leaded gasoline 157384 Thomas Midgley 1926
tetraethyl lead gasoline 1573846 Midgley, Jr., Thomas 1926
automatic transmission   1710991 Kettering, Charles F. 1929
flurocarbon refrigeration (freon) 1833847 Midgley 1931
helicopter 1848389 Sikorsky, Igor 1932
car radio 1944139 Lear, William P. 1934
classic baby carriage 2088200 Glick, Jack 1936
synthetic rubber 2130947 Carothers, Wallace H. 1938
painted lines on streets 2220316 Creswell, Paul H.  1940
wheelchair (motorized) 2306042 Custer, Levitt L. 1942
stall warning for aircraft 2478967 Greene, Leonard M. 1944
gyroscope (electrostatic) 2392329 Lear, William P 1946
solid fuel rockets 2397657 Goddard, Robert H. 1946
jet engine 2404334 Whittle, Frank 1946
folding wing 5372336 Paez, Carlos 1954
global positioning system 2709773 Getting, Ivan 1955
scanning radar 2711534 Rines, Robert 1955
rocket engine 2816721 Taylor, Richard J. 1957
satellite 2835548 Baumann, Robert C. 1958
safety belt (automobiles) 3043625 Bohlin, Nils I. 1962
manned space capsule (Mercury capsule) 3093346 Faget, Maxime A. 1963
airbag for automobiles 3414292 Oldberg, Sidney 1968
catalytic converter ceramic 3790654 Bagley, Rodney D.  1974
catalytic converter 3885977 Lachman, Irwin M. 1975
ground proximity warning system 3922637 Bateman, C. Donald 1975
crash test dummy 4261113 Alderson, Samuel W. 1981
automobile 540648 Duryea, Charles 1985
magnetically levitated vehicles 5213046 Proise, Michael 1993
gull wing aircraft 5542625 Burnhams, Jr., Walter R. 1996
global positioning system (GPS) 5572218 Parkinson, Bradford 1996
 

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