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Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7258261 | Nail gun extension and actuating apparatus A nail gun extension and actuating apparatus includes an elongated pole that has a bottom end and a top end. A coupler is attached to the pole and is positioned adjacent to the top end. The coupler is configured to releasably secure a nail gun to the pole so that a ... | 08/21/2007 |
| 6112829 | Rock drill air leg control system The invention relates to a rock drill air leg control system incorporated in the backhead (10) of a rock drill. The system comprises a single spool valve (22) having two manual controls (46, 53), one for setting a trust applied by an air leg to a rock dri... | 09/05/2000 |
| 5918370 | Hand held power assisted shears A hand held power assisted shears has a piston located in a cylinder formed in a pistol grip body. A trigger controls the position of a hollow shuttle spool rod which slides longitudinally within a hollow piston rod connected between the piston and the bl... | 07/06/1999 |
| 5107933 | Hydraulic drilling outfit A hydraulic drilling outfit has a hydraulically driven hammer drill which is fastened pivotally to a hydraulic thrust unit. A control for the hydraulics utilizes the flushing water for the drill bit as the power-source for all of the motions executed by t... | 04/28/1992 |
| 4024923 | Rock bolting equipment Equipment for drilling holes in mine roofs for the purpose of rock bolting comprises an intermediate portion having mounted on and extending from it at one end a telescopic leg and mounted on and extending from it at the other end a drill rod, a hydraulic... | 05/24/1977 |
| 4010806 | Rock bolting equipment Equipment for drilling holes in mine roofs for the purpose of rock bolting comprises an intermediate portion having mounted on and extending from it at one end a telescopic leg and mounted on and extending from it at the other end a drill rod, a hydraulic... | 03/08/1977 |
