"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7201221 | Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ... | 04/10/2007 |
| 7040390 | Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ... | 05/09/2006 |
| 4731744 | Position sensor and system A position sensor for a moving member of a mechanical device is disclosed. The sensor includes an optical sensing means such as solid-state image sensor and illuminating means such as a plurality of light-emitting diodes, stationarily mounted to face scri... | 03/15/1988 |
| 4505048 | Borehole survey instrument A borehole survey instrument is provided which includes a meniscus type floating compass member for indicating azimuth and inclination. A light source is disposed below the indicia for illuminating the indicia upwardly through the liquid in which the comp... | 03/19/1985 |
| 4485563 | Borehole survey instrument A borehole survey instrument is provided having a meniscus type floating compass member with indicia thereon for indicating azimuth and inclination. A light source is disposed below the indicia for illuminating the indicia upward through the liquid throug... | 12/04/1984 |
| 4480391 | Borehole survey instrument control circuitry A borehole survey instrument and control circuitry are described. The borehole survey instrument includes indicators for measuring angle of deviation from the vertical and angle of deviation from magnetic north and a photographic recording means for recor... | 11/06/1984 |
| 4393598 | Borehole tool A surface activated multishot survey tool utilizes a dampened magnetic compass movably positioned within a probe to determine the direction of a borehole. Lamps in the probe are operable to light the face of the compass. A lens projects the image of the c... | 07/19/1983 |
| 4361961 | Device for measuring the angular orientation of horizontal bores Two tubular elements are connected by a ball-and-socket joint and arrangements are provided for measuring angular displacement which occurs between the longitudinal center axes of the two elements.... | 12/07/1982 |
| 4171578 | Borehole tool A single shot surveying instrument which is designed to be lowered to a desired location in a borehole and to take a single picture which indicates the direction of the borehole. The instrument operates in a first mode in which a picture is taken after th... | 10/23/1979 |
| 4047306 | Bore hole probe A bore hole probe instrument having a point source of light, passing through a flexible tubular portion. The point of light, which originates at one end of the flexible tubular portion, is established for example by means of fibre optics, a laser or the l... | 09/13/1977 |