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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 60/480 - Telescopic ram


Subclass of Class 60 - Power plants
Definition: Apparatus in which the ram is made up of concentric cylinders
No. of patents: 6
Last issue date: 08/09/2005


NumberTitleIssue Date
6926305Air, electric and hydraulic landing gear jack
A trailer landing gear drive system in which pneumatic, hydraulic and electric motors, as well as the traditional hand crank, are easily interchangeable. The landing gear jack mechanism is disposed to easily connect to any one of these drive motors. The system can u...
08/09/2005
5946912Oil return loop of a hydraulic cylinder
An oil return loop of a hydraulic cylinder which includes a plurality of equiangularly spaced V-shaped oil return grooves at the inside wall of an inner cylinder of the hydraulic cylinder for guiding saturated hydraulic oil to the outer cylinder of the hy...
09/07/1999
5088283Valve device for actuating the telescopic cylinder of a tipper
A proportional directional control valve in combination with a pressure compensator flow rate control valve opening towards a reservoir and a pressure unloading valve in the load- pressure- carrying control line for the compensator valve are provided to a...
02/18/1992
4928488Hydraulically-operated support device for semitrailers
A hydraulically-operated support device for semitrailers is disclosed comprising a hydraulic cylinder semitrailer support and a pump subassembly having three independently operable pumps for generating and controlling the hydraulic operating pressure. The...
05/29/1990
4581894Hydraulic compression apparatus
A hydraulic apparatus for converting hydraulic pressure into mechanical movement for operating a tool or other device, operated by a pump block having a bore therein and a moveable plunger disposed within said bore. A cylinder is disposed over the pump bl...
04/15/1986
4284113Hydraulic log splitter
A manually operated log splitter is provided. The log splitter comprises a bi-ended main beam, a splitter wedge fixed at one end of the main beam, and manually operated hydraulic power means fixed to the other end of the beam. In accordance with the inven...
08/18/1981
 
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