Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Application No. | Application Title | Issue Date |
| 20120126993 | Near-Field Electromagnetic Communications Network for Downhole Telemetry A disclosed downhole telemetry system employs an array of near-field electromagnetic communication devices to relay information along a tubular in a borehole. In some embodiments, the devices are permanently attached to pipe joints without requiring any structural modif... | 05/24/2012 |
| 20120013482 | Aligning Inductive Couplers In A Well An apparatus that is usable with a well includes a first equipment section that includes a first inductive coupler and a second equipment section that includes a second inductive coupler. The second equipment section is adapted to be run downhole into the well after the... | 01/19/2012 |
| 20110163890 | DOWN-HOLE WIRELESS COMMUNICATION SYSTEM Apparatus for the wireless transmission of data, and preferably also of power, across a space between a length of production tubing and a surrounding casing in a petrochemical well, includes a pair of inductively-coupled coils, a first of which is located on the exterio... | 07/07/2011 |
| 20100175923 | ORIENTATION SENSOR FOR DOWNHOLE TOOL A downhole drilling apparatus incorporating an orientation sensor (24) is disclosed. The orientation sensor is mounted to a housing (16) for providing a signal representing the orientation of the housing, and is connected to a first transceiver coil (26... | 07/15/2010 |
| 20100052941 | ELECTRICAL TRANSMISSION BETWEEN ROTATING AND NON-ROTATING MEMBERS A rotary coupler includes a first member having an internal surface, a first inductor positioned on the internal surface, a second member, and a second inductor carried on a portion of the second member and positioned internal of the first inductor, wherein one of the i... | 03/04/2010 |
| 20090212970 | Wired Tool String Component A system is disclosed as having first and second tubular tool string components. Each component has a first end and a second end, and the first end of the first component is coupled to the second end of the second component through mating threads. First and second induc... | 08/27/2009 |
| 20090151932 | Intelligent Electrical Power Distribution System In one aspect of the present invention, a downhole tool assembly comprises electrical connectors disposed proximate an upper end and a lower end of the tool, switches to selectively allow or disallow electrical continuity between the electrical connectors, and a micropr... | 06/18/2009 |
| 20090151926 | Inductive Power Coupler In one aspect of the present invention, a downhole tool string component has a tubular body with at least one end adapted for threaded connection to an adjacent tool string component. The end has at least one shoulder that abuts an adjacent shoulder of an adjacent end o... | 06/18/2009 |
| 20090066535 | ALIGNING INDUCTIVE COUPLERS IN A WELL An apparatus that is usable with a well includes a first equipment section that includes a first inductive coupler and a second equipment section that includes a second inductive coupler. The second equipment section is adapted to be run downhole into the well after the... | 03/12/2009 |
| 20090058675 | Non-contact capacitive datalink for a downhole assembly Aspects of this invention include a downhole assembly having a non-contact, capacitive coupling including first and second transceivers deployed in corresponding first and second downhole tool members. The capacitive coupling is disposed to transfer electrical signals b... | 03/05/2009 |
| 20080158006 | WIRELESS TELEMETRY BETWEEN WELLBORE TOOLS An embodiment of a wireless telemetry system for providing signal communication across a wired-communication gap in a bottom-hole assembly (“BHA”), the BHA having an upper portion and a lower portion separated by the wired-communication gap, includes an upper transc... | 07/03/2008 |
