31
Martelee Ghislain Antoine Jean Marie: Gripper for handling heavy products and specifically horizontal-axis coils. April 11, 1972: US3655232 (31 worldwide citation)

In a handling gripper for rigid products and specially coils there is provided a framework in the form of a rigid casing pivotally suspended from a vertical suspension pivot attached to a lifting hook. The casing houses horizontal telescopic arms operated by a horizontal ram and from which are suspe ...


32
Morton E Gray, Carl E Green: Dump truck or trailer with pneumatic conveyor. Morton E Gray, James E Bradley, January 27, 1981: US04247228 (31 worldwide citation)

A dump truck or trailer for hauling and dumping dry bulk solids conventionally by gravity and also having the capability of conveying the solids upward to a storage facility. The unit includes a container mounted to a frame on wheels. A hydraulic ram tilts the container for dumping through a rear ou ...


33
Ary van der Lely, Cornelis J G Bom: Soil cultivating machine with axially displaceable adjusting rod. C Van der Lely, Penrose Lucas Albright, March 8, 1983: US04375837 (30 worldwide citation)

A soil cultivating machine has a frame portion extending transversely of the intended direction of operative travel and a row of cultivating members on that portion are rotatable about upwardly extending shafts. Behind the cultivating members there is a ground-engaging support roller pivotally conne ...


34
Mathew J Pacek, Thomas E Pomerville: Selectively-retractable elevated walkway extension. Magnum Construction Company, Barnes Kisselle Raisch Choate Whittemore & Hulbert, November 29, 1988: US04787111 (30 worldwide citation)

A selectively positionable extension for an elevated walkway includes a planar ramp mounted by rollers to a frame and coupled to the frame by a selectively extensible hydraulic ram. The frame itself is supported by a second ramp for controlled vertical positioning. A pair of handrail gates are pivot ...


35
Erven Tallman: Portable lifting jack. April 19, 1977: US04018421 (30 worldwide citation)

A hydraulic lifting jack has a base supported on wheels, an elevating linkage, a hydraulic ram operating with the linkage and a handle for pressurizing and releasing the hydraulic ram. An integral block of rugged rectangular configuration serves a multiple purpose of providing a reservoir for hydrau ...


36
Inflatable support appliance. Scales J T, December 19, 1973: GB1341325-A (30 worldwide citation)

1341325 Mattresses; adjustable beds J T SCALES 5 July 1972 [9 July 1971] 32461/71 Headings A4M, A4J A mattress, cushion or like support has an inlet for connection to a source of gas under pressure and has at least that part of its surface which is intended to make contact with the user formed from ...


37
Mason Samuel Trevor: Quick-change fitting for load shifting implement. Mason Samuel Trevor, July 16, 1986: GB2169582-A (29 worldwide citation)

A quick-change fitting for attaching a load shifting implement, for example a bucket or fork-lift forks, to a vehicle, for example an earth-moving vehicle or a tractor, comprises two pins (16,25) which engage hooks (20,21) on the implement, one pin (25) being slidable in slots (26) by a hydraulic ra ...


38
Nestor Ruben Torres: Fluid flow regulating valve. Keck Mahin & Cate, May 3, 1994: US05308040 (28 worldwide citation)

A fluid flow regulating valve adapted to prevent the operation of the valve from violent pressure change, namely the hydraulic ram effect, in the fluid, particularly during closing and opening of the valve, the valve comprising a casing that houses a regulating plate slidably mounted within the casi ...


39
Scott C Lilienthal: Snow plow assembly adapted for mounting on a vehicle and method of using the same. March 13, 1990: US04907357 (27 worldwide citation)

A snow plow assembly adapted for mounting on a vehicle. The snowplow assembly includes a conventional blade mounted on the front of the vehicle and powered with conventional hydraulic systems. The snow plow assembly also includes a blade mounted on the rear of the vehicle which may be raised or lowe ...


40
Powell Jonathan S: Means for securing couplings to pipe. May 25, 1971: US3579794 (25 worldwide citation)

A means and method of constricting a coupling having internal teeth onto a pair of abutting pipe sections; the means comprising an assembly of split rings which may be secured around a pair of abutting pipe sections and a coupling having internal teeth initially slidable on the pipe sections, at lea ...



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