Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 4191250 | Technique for cementing casing in an offshore well to seafloor This specification discloses a method and system for cementing a casing string with returns to the seafloor in an offshore wellbore. The hydrostatic pressure at a preselected point within the annulus formed intermediate the casing string and the wellbore ... | 03/04/1980 |
| 4144937 | Valve closing method and apparatus for use with an oil well valve Disclosed is a tester valve having a ball valve rotatable between the open and closed positions for use with a test string to test an oil well. The apparatus includes a ball closing piston in the valve operating mechanism which assists in rotating the bal... | 03/20/1979 |
| 3976136 | Pressure operated isolation valve for use in a well testing apparatus and its method of operation In a well testing tool having a spring whose biasing force is supplemented by the hydrostatic pressure in the well annulus at the testing depth, a method and apparatus for isolating the spring from the pressure in the well annulus utilizing the pressure d... | 08/24/1976 |
