Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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.
| Application No. | Application Title | Issue Date |
| 20120026003 | Systems and Methods for Downhole Instrument Communication Via Power Cable Systems and methods for reliably communicating data between surface and downhole equipment over a power cable, regardless of the length of the power cable, wherein a transmitter modulates a common data stream onto multiple high frequency carrier signals, each of which h... | 02/02/2012 |
| 20110163891 | METHODS AND SYSTEMS FOR DOWNHOLE TELEMETRY Subterranean oilfield high-temperature devices configured or designed to facilitate downhole monitoring and high data transmission rates with remotely pumped lasers that are configured for operation downhole, within a borehole, at temperatures in excess of 115 degrees C... | 07/07/2011 |
| 20100289668 | Power and Signal Distribution System A power and signal distribution system comprises a converter unit connected to a plurality of control units. The converter unit and the control units are arranged in areas difficult to access, for instance on the sea bed. The converter unit is connected to a remote moni... | 11/18/2010 |
| 20100271233 | SURFACE COMMUNICATION APPARATUS AND METHOD FOR USE WITH DRILL STRING TELEMETRY An operation of drilling an earth borehole uses a drilling rig, a drill string of drill pipes having its generally upper end mechanically coupleable with and suspendable from the drilling rig, a drive string portion of the drill string, mechanically coupleable with the ... | 10/28/2010 |
| 20100207783 | Subsea Well Control System A subsea well control system comprises: a well tree (6 or 7) having a subsea control module (10 or 11); and a power and communications distribution module (5) for communication with the subsea control module via a communication link (<... | 08/19/2010 |
| 20100194587 | METHODS AND SYSTEMS FOR BOREHOLE TELEMETRY Methods and systems for borehole telemetry utilizing a tool configured or designed for deployment in a borehole traversing a subterranean formation. The tool includes a downhole telemetry module; a surface telemetry module; and a datalink between the downhole and surfac... | 08/05/2010 |
| 20100194588 | Telemetry System for Slickline Enabling Real Time Logging A system for communicating with a slickline tool is disclosed. The system includes a closed-loop electrical circuit including a surface module, a forward path, a tool, and a return path. The forward path includes a slickline cable.... | 08/05/2010 |
| 20100194586 | Methods and systems for borehole telemetry Methods and systems for borehole telemetry utilizing a tool configured or designed for deployment in a borehole traversing a subterranean formation. The tool includes a downhole telemetry module; a surface telemetry module; and a datalink between the downhole and surfac... | 08/05/2010 |
| 20100066560 | WELLBORE CASING MOUNTED DEVICE FOR DETERMINATION OF FRACTURE GEOMETRY AND METHOD FOR USING SAME A logging system and method for measuring propped fractures and down-hole subterranean formation conditions including: a radar source; an optical source; an optical modulator for modulating an optical signal from the optical source according to a signal from the radar s... | 03/18/2010 |
| 20090322554 | Determining Electrical Characteristics of an Electrical Cable To characterize an electrical cable that is deployed in a well, a voltage input is applied to the electrical cable at an earth surface location, where the well extends from the earth surface location. A current response resulting from the voltage input is measured at th... | 12/31/2009 |
| 20090243875 | SYSTEM AND METHOD FOR CONTROLLING MULTIPLE WELL TOOLS A technique facilitates control over multiple well tools. Multiple well tools can be actuated between operational positions. The well tools are coupled to a plurality of multidrop modules with each multidrop module typically being coupled to one or two well tools. Contr... | 10/01/2009 |
| 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 |
| 20090115623 | Bidirectional Telemetry Apparatus And Methods For Wellbore Operations A system and method for communicating data between a downhole tool and a surface controller is provided that comprises a rotating drill string extending in a borehole and having a downhole telemetry module disposed proximate a bottom end thereof and transmitting a first... | 05/07/2009 |
| 20090021393 | SYSTEM AND METHOD FOR AN AC POWERED DOWNHOLE GAUGE Borehole instruments are powered by AC instrument power transmitted on all three phases of a power cable concurrently carrying three phase motor power, the instrument power transmitted at a multiple of the motor power frequency and having a corresponding fraction of the... | 01/22/2009 |
| 20080272932 | Data Communication and Power Supply System for Downhole Applications A data communication system for use in downhole applications wherein electrical energy is supplied over a multiple-conductor power cable to an ESP motor assembly. A downhole unit is AC-coupled to the conductors of the power cable through the wye point of the ESP motor a... | 11/06/2008 |
| 20080224887 | Seismic Data Acquisition System and Method for Downhole Use A method and system for conducting a seismic survey by lowering a string of intelligent clampable sensor pods with 3-C sensors into a borehole. The string of pods is serially interconnected by a cable having a conductor pair which provides both power and data connectivi... | 09/18/2008 |
| 20080218375 | BANDWIDTH WIRELINE DATA TRANSMISSION SYSTEM AND METHOD A suspended well logging device for use in a wellbore drilled in an earthen formation may include a cable configured to be conveyed into the wellbore; a single twisted pair of conductors positioned in the cable; and a conductive armor surrounding the single twisted pair... | 09/11/2008 |
| 20080143552 | SENSOR ARRAY FOR DOWN-HOLE MEASUREMENT A sensor array includes an array of nodes coupled to an optical transmission line. The nodes include a transducer, and encoder, and a transmitter. The transducer senses an environmental condition such as temperature and pressure. The encoder encodes readings from the tr... | 06/19/2008 |