1
Douglas C Ruhmann, Ralph A Britton, James D Mundloch, Frederick E Vorwerk: Filament wound railway hopper car. ACF Industries Incorporated, Polster Polster and Lucchesi, September 2, 1986: US04608931 (78 worldwide citation)

A railway hopper car (200) includes a filament wound fiberglass car body having side walls (202, 204) integral with a roof (208), preferably also formed of a filament wound fiberglass. The fiberglass side walls are connected to longitudinally extending side sills (220, 222) preferably made of steel ...


2
Richard H Dugge: Hopper gate actuating mechanism. ACF Industries Incorporated, Henry W Cummings, January 20, 1976: US03933100 (58 worldwide citation)

This application discloses a sliding gate the top surface of which is tapered so that as it is closed the top surface will compress against a first elastomeric sealing means to eliminate lading leakage, and move away from the lading as the gate is opened, reducing the force required to open the gate ...


3
Roy R Dare, Jeff L Merten: Gate valve for shearing workover lines to permit shutting in of a well. ACF Industries Incorporated, Eugene N Riddle, August 5, 1980: US04215749 (55 worldwide citation)

A gate valve which is mounted on a wellhead assembly and which may be closed to shear off workover lines, macaroni tubing and other suspension members so as to quickly shut in a well under emergency conditions. The gate has a flow port which aligns with the flow passage of the valve when the gate is ...


4
Paul R Orum, Larry A Vyvial: Manual override for hydraulic gate valve actuators. ACF Industries Incorporated, Eugene N Riddle, July 22, 1980: US04213480 (52 worldwide citation)

A double acting manual override mechanism for the hydraulic actuator of a subsea gate valve, and a visual indicator device for indicating the gate position. The gate is normally held open by hydraulic pressure and is moved by a spring to a fail closed position in the event of a malfunction. The over ...


5
Krug Jr John A: Railroad car for transporting containers. ACF Industries Incorporated, Cummings Henry W, April 2, 1974: US3800712 (52 worldwide citation)

This disclosure is directed to a railroad car having means mounting hopper type containers on the car in such a manner that they may be unloaded while on the car. The car also includes mounting means for transporting standard containers on the car, preferably on pedestals. Support structure on the c ...


6
Jan D Holt, Robert K Neff: Railway car truck transom including a tubular bearing assembly. ACF Industries Incorporated, Henry W Cummings, January 6, 1981: US04242966 (41 worldwide citation)

In a railway car truck a transom is provided comprising a pair of tubes rigidly connected respectively to a pair of longitudinally extending side frames. The tubes are longitudinally and vertically aligned and are located below a bolster which extends between the side frames above the transom. A bea ...


7
Barb Gayle E: Control valve structure having double ports. ACF Industries Incorporated, Riddle Eugene N, July 2, 1974: US3821968 (38 worldwide citation)

A control valve structure in which the flow of fluid from the inlet is divided into two separate streams and then recombined at the outlet. The control valve is of the globe-valve type having two opposed parts through which the fluid flows from the inlet, and the control valve includes two cylindric ...


8
Barb Gayle E: Fluid control means having plurality discs. ACF Industries Incorporated, Riddle Eugene N, July 15, 1975: US3894716 (36 worldwide citation)

A valve structure having a valve body with a valve plug mounted therein and a plurality of stacked annular members extending about the valve plug in the closed position. The annular members are spaced from each other to provide a fluid flow path therebetween and each has an imperforate body portion ...


9
Ronald D Wilkins: Seal assembly for butterfly valve. ACF Industries Incorporated, Eugene N Riddle, July 31, 1979: US04162782 (35 worldwide citation)

A butterfly valve has a valve body with an improved seal assembly mounted in the groove about a flow passage in the valve body. The seal assembly has an outer metal body including a pair of spaced inner legs having outer ends thereof in sealing contact with the outer periphery of a valve disc in the ...


10
James M Fowler, Bertram L Morrison: Two piece composite valve seal ring construction. ACF Industries Incorporated, Eugene N Riddle, August 7, 1979: US04163544 (35 worldwide citation)

A valve seal includes inner and outer concentric seal rings located side by side in a groove with the inner seal ring against the groove inner wall and the outer seal ring against the groove outer wall. Interfitting surfaces are provided on the seal rings to hold them together and prevent longitudin ...