Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 8047278 | Hydraulic connector apparatuses and methods of use with downhole tubulars A method to connect a lifting assembly to a bore of a downhole tubular includes providing a communication tool to a distal end of the lifting assembly, the communication tool comprising a body assembly, an engagement assembly, a valve assembly and a seal assembly, s... | 11/01/2011 |
| 7690422 | Drill-string connector A connector (10) which provides a fluid tight connection between a fluid supply and a drill-string (4), the connector (10) comprising a piston-rod (20) and a cylinder (15), the piston-rod (20) having a seal at or towards its... | 04/06/2010 |
| 7377337 | Downhole drilling tool A downhole drilling tool 136 comprises a drillstring 138, a drilling head 140, and a freewheel 144 for transferring drive from the drillstring to the drilling head. The freewheel 144 is positioned between the drillstring 138... | 05/27/2008 |
| 7216726 | Downhole fluid-tight flexible joint A downhole tool comprises a joint, and a resilient member 65 which extends through the joint and provides a restoring force which tends to strengthen the joint. The joint may comprise a flex coupling 61 which allows limited articulation of the joint. F... | 05/15/2007 |
| 7182161 | Drill string tool with bearing sleeve A drill string tool such as a drill string stabilizer (1) comprises a circumferentially continuous bearing sleeve (6) having an outside diameter which is equal to or greater than the outside diameter of a radially outermost part of the drill string too... | 02/27/2007 |
| 6546581 | Casing scraper A casing scraper for cleaning the internal wall of a tube 26 such as a well casing has at least three, rigidly connected, axially and angularly spaced scraper bodies 12, 14, 16 each with a scraping surface 13, 15, 17. The radial dimension of the scraper a... | 04/15/2003 |
