| 1946 DONALD Fluid Actuated Control System Patent |
| 1947 HALL Fluid Pressure Control Valve Patent |
| 1965 FOX Fluid Control Apparatus Patent Print |
| 1954 WILLIAM Fluid Pressure Control Valve Patent |
| 1951 HOBSON LTD H M Fluid Control Valve Patent |
| 1947 CHRISTENSEN Fluid Control System Patent |
| 1960 JOHNSON Fluid Flow Control Apparatus Patent |
| 1974 BENZING Fluid Flow Control APPLIED Patent 42673 |
| 1942 JEAN Plant Fluid Control Art Print Patent |
| 1968 HOWELL Fluid Thrust Control AIRCRAFT Patent 21510 |
| 1934 CHARLES Fluid Control Apparatus Patent |
| 1951 EDWARD Fluid Control Valve Patent Print Art |
| 1952 MOLLER Fluid Control Apparatus Patent Print |
| 1958 MOSHER Fluid Control Valve Patent Print Art |
| 1965 HENNEMAN Fluid Control Apparatus Patent |
| 1955 WILLIAM Fluid Pressure Control Valve Patent |
| 1945 DONALD Fluid Actuated Control System Patent |
| 1965 BENDIX CORP Fluid Control Apparatus Patent |
| 1943 STEVE Fluid Pressure Control System Patent |
| 1951 ZWACK RAYMOND Fluid Control Means Patent |
| 1958 SIDNEY Fluid Pressure Control Means Patent |
| 1957 ERIC Fluid Flow Control Valves Patent Print |
| 1944 STEVE Fluid Pressure Control System Patent |
| 1964 BRUNO Fluid Flow Control Valves Patent |
| 1951 VORIPAIEFF Fluid Control Apparatus Patent |
| 1951 ZWACK Fluid Control System And Means Patent |
| 1965 HEIL CO Fluid Control Valves Patent Print |