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| Number | Title | Issue Date |
| 5190674 | Method and apparatus for controlling the flow of molten metals The invention provides a method of controlling the flow of molten metal from a holding vessel such as a tundish through a discharge orifice into a receptacle such as a mould; the method comprising (i) providing within the holding vessel a flow control cha... | 03/02/1993 |
| 5141726 | Process for reducng Nox emissions from combustion devices Nitrogen oxide and dioxide content of flue gas from combustion devices is reduced by mixing combustion air and a gas or volatilized fuel in proportions below the lower combustible limit of the mixture and utilizing that mixture for at least a part of the ... | 08/25/1992 |
| 5077480 | Transmissometer having solid state light source An improved transmissometer of the type which has a visible light source and is responsive to peak and mean spectral responses between 500 nm and 600 nm and optical assembly therefor contains a solid state light source preferably a light emitting diode. T... | 12/31/1991 |
| 4936255 | Milking machine In a machine for milking cattle the teat cups are supported in a structure (2,3) movable horizontally towards and away from the animal to be milked, the teat cups being suspended by pivoting arms (15) so as to be swingable to move between the hind legs of... | 06/26/1990 |
| 4908558 | Spherical motion simulator A flight motion simulator includes a unit under test supported on a stationary frame for angular and translational movement along pitch, roll, and yaw axes. A rotor element is secured to the unit under test and has a spherical configuration. Magnetic bear... | 03/13/1990 |
| 4847783 | Gas sensing instrument A gas sensing instrument provides programmable control of the operating temperatures of an array of gas sensors for the detection of target gases in air. The control facilitates precise temperature setpoint resolution. The gas sensors in the array have an... | 07/11/1989 |
| 4805426 | Locking device A conventional barrel-type combination lock receives a lock element extending from a safety pin housing. The safety pin housing pivotally receives a pin that pivots between an open position and a closed position relative to the safety pin housing, and the... | 02/21/1989 |
