| 1921 WESTINGHOUSE AIR BRAKE CO Safety Car Control |
| 1933 WESTINGHOUSE AIR BRAKE CO Control Pedal Art |
| 1929 WESTINGHOUSE AIR BRAKE CO Door Brake Control |
| 1921 NEW YORK AIR BRAKE CO Train Control System |
| 1962 WESTINGHOUSE AIR BRAKE CO Railway Switch Control |
| 1965 WESTINGHOUSE AIR BRAKE CO Electrical Control |
| 1932 FRANKFORD Air Brake And Vehicle Control Art |
| 1943 NEW YORK AIR BRAKE CO Sanding Control Valve |
| 1939 WESTINGHOUSE AIR BRAKE CO Control Valve Art |
| 1925 WESTINGHOUSE AIR BRAKE CO Train Control |
| 1934 WESTINGHOUSE AIR BRAKE CO Door Control Art |
| 1944 WESTINGHOUSE AIR BRAKE CO Control System |
| 1956 WESTINGHOUSE AIR BRAKE CO Clutch Control |
| 1920 WESTINGHOUSE AIR BRAKE CO Car Door Brake Control |
| 1944 WESTINGHOUSE AIR BRAKE CO Sanding Control Means |
| 1959 WESTINGHOUSE AIR BRAKE CO Railway Switch Control |
| 1924 DAPRON Air Brake Safety Car Control Art |
| 1924 DAPRON Air Brake Safety Car Control Mechanism |
| 1930 WESTINGHOUSE AIR BRAKE CO Door Control Art |
| 1945 WESTINGHOUSE AIR BRAKE CO Control Art |
| 1957 WESTINGHOUSE AIR BRAKE CO Railway Traffic Control |
| 1946 WESTINGHOUSE AIR BRAKE CO Control Mechanism |
| 1946 WESTINGHOUSE AIR BRAKE CO Control Art |
| 1941 WESTINGHOUSE AIR BRAKE CO Train Sanding Control |
| 1922 WESTINGHOUSE AIR BRAKE CO Safety Car Control |
| 1949 NEW YORK AIR BRAKE CO Timed Track Sander Control |
| 1926 WESTINGHOUSE AIR BRAKE CO Speed Control Governor |
| 1951 WESTINGHOUSE AIR BRAKE CO Control Switch |