41
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 ...


42
James A Thorup: Dual-action pneumo-hydraulic crimping apparatus. Coherent, R Russel Austin, January 17, 1995: US05381686 (27 worldwide citation)

An apparatus for crimping a terminal onto a wire includes a hydraulic cylinder including a hydraulic ram, two normally open crimper jaws closeable by the hydraulic ram, and a hydraulic pressure supply for delivering hydraulic pressure to the hydraulic cylinder to operate the hydraulic ram and close ...


43
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 ...


44
Tantlinger Keith W: Separable wheel units for vehiclizing container. Fruehauf Corporation, March 16, 1971: US3570694 (27 worldwide citation)

The wheel units are releasably attached to the bottom corner sockets of a shipping container which raises the container on the wheels of the units when a hydraulic ram on the unit is extended.


45
Paul G McKinnon: Adjustable air cushion bicycle seat. Marcus G Theodore, April 11, 2006: US07025367 (26 worldwide citation)

An adjustable air cushion bicycle seat hydraulic ram system mounted within the seat post of a bicycle with one end of the ram attached to the bicycle seat, and the other end of the ram in communication with an internal reservoir associated with an adjustable pressurized air/oil reservoir to selectiv ...


46
Powell Jonathan S: Means for securing couplings to pipe. May 25, 1971: US3579794 (26 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 ...


47
Donald P Dykstra: Trash compactor. Portable Laboratories, Darbo & Vandenburgh, April 3, 1979: US04147100 (26 worldwide citation)

A small portable housing forms a trash compacting chamber in the bottom. At one side of the housing interior, above the chamber, is a space through which trash can fall to the chamber from an upper trash compacting opening. At the other side of the interior of the housing and above the chamber is th ...


48
Robert M Carpenter: Hydraulic wheelchair lift. Target, Chapin Neal & Dempsey, October 24, 1978: US04121695 (26 worldwide citation)

Wheelchair lift for a van-type vehicle having a pivotable frame which may be swung from within to without the vehicle, a slide frame telescopically movable relative to the swing frame and a wheelchair supporting platform carried at the lower end of the slide frame. The platform is pivotable to and f ...


49
Thomas J Dosch, Rawley McCoy, Theodore W Steele: Mobile radar tower. Sierra Research Corporation, Dowell & Dowell, January 22, 1980: US04185288 (26 worldwide citation)

A mobile tower supporting a radar antenna system including a drive system and position resolvers, the antenna system being mounted at the top of a cylindrical telescopable mast which is hinge mounted on a tripod base and is erected to a vertical operative position by an hydraulic ram which also retr ...


50
H Tracy Hall: Guided high pressure presses. Workman Nydegger & Seeley, April 28, 1998: US05744170 (25 worldwide citation)

High pressure presses for making diamonds and other hard, crystalline materials. The high pressure presses may contain varying numbers of moveable press members: e.g., a tetrahedral press will have four press members while a cubic press will have six press members. The high pressure presses are equi ...