MARTIN-DECKER TOTCO, INC. A CORP. OF TEXAS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6343515 Method and apparatus for improved measurement of tension and compression in a wirelineJan 03, 00Feb 05, 02[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5000065 Jaw assembly for power tongs and like apparatusExpiredFeb 08, 90Mar 19, 91[B25B]
D314896 Jaw insert for power tongsExpiredOct 15, 87Feb 26, 91[]
4954923 Intrinsic safety module interfaceExpiredAug 19, 88Sep 04, 90[H02H]
4951505 Block position sensorExpiredFeb 12, 87Aug 28, 90[E21B]
4827808 Rotor assembly for power tongExpiredSep 26, 86May 09, 89[B25B]
4763224 Housing for receiving electric control devices, in particular for motor vehiclesExpiredOct 09, 86Aug 09, 88[H05K]
4648292 Tong assemblyExpiredJan 13, 86Mar 10, 87[B25B]
4519585 Drawworks brake controlExpiredOct 12, 82May 28, 85[B66D]
4518418 Electron beam refinement of metals, particularly copperExpiredJun 10, 83May 21, 85[C22B]
4511168 Slip mechanismExpiredFeb 07, 83Apr 16, 85[E21B]
4437363 Dual camming action jaw assembly and power tongExpiredJun 29, 81Mar 20, 84[B25B]
4419886 Rate of penetration sensor for oil drilling rigsExpiredDec 18, 81Dec 13, 83[E21B]
4387295 Pneumatic penetration sensor for oil drillingExpiredJan 19, 82Jun 07, 83[G06D]
4366463 KeyboardExpiredMay 22, 81Dec 28, 82[H01C]
4356557 Winch drum cable length measurement apparatusExpiredSep 27, 79Oct 26, 82[G06F, G01B]
4325233 Kelly and kelly drive bushingExpiredDec 13, 79Apr 20, 82[F16D]
4280397 Hydraulic fluid control apparatusExpiredApr 27, 78Jul 28, 81[F15B]
4250773 Rotary tong incorporating interchangeable jaws for drill pipe and casingExpiredApr 24, 79Feb 17, 81[B25B]

Top Inventors for This Owner

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