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Integrated process for the production of high quality lube oil blending stock
OF THE INVENTION The present invention provides an improved integrated process for the production of high quality lube oil blending stock from atmospheric fractionation ...
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Ground water drain
It is an object of the present invention to provide a ground water drain, the grating of which is made from a higher elasticity material but is held in the frame by a ...
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Surface drainage apparatus
The object of the present invention is to provide a surface drainage apparatus which is can be easily produced and assembled when compared with similar prior art ...
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Surface drainage apparatus
The object of the present invention is to provide a surface drainage apparatus of simple construction, combining ease of operation with a reduction of overall costs ...
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Method and apparatus for forming a trench
The present invention provides improved trench forming methods and apparatus. In one aspect the invention provides form bodies which can be readily removed from the ...
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Method of installing or replacing underground pipe
The present invention relates to a method of replacing existing or relining underground pipe. The existing pipe is surrounded by soil and includes a lumen and an ...
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Method and apparatus for improving sheet flow water rides
OF HE SUBJECT INVENTION Because the original application, the continuation of the original application and the subject invention are operated in water, and many of the ...
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Buoyancy compensator and inflation system
In summation, this invention incorporates a buoyancy compensator for control of a diver's buoyancy, at his front and back, as well as having filling means that recover ...
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Combined life vest device and buoyancy compensator
It is therefore an object of the invention to provide a combined life vest device and buoyancy compensator for use by divers along with scuba gear including back pack ...
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Extrusion arrangement for a cryogenic cleaning apparatus
This invention provides a more economical means of fabricating the die parts, provides a convenient method of changing the die to produce different size pellets, and ...
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