NEXEN GROUP, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 1081
 
  
 
F16H GEARING298
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
B61H BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES 115
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 130
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9279477 Motion control deviceJan 06, 12Mar 08, 16[F16C, F16H, B66C]
8443526 Robot compliance deviceNov 05, 09May 21, 13[G01B, B25J]
8220592 Motion control apparatusOct 26, 07Jul 17, 12[F16D]
7281613 Interface disc for a torque and/or rotational control apparatusFeb 08, 05Oct 16, 07[B61H]
7131518 Motion control apparatus with backlash reductionNov 14, 03Nov 07, 06[B65H]
7124861 Motion control apparatusFeb 20, 04Oct 24, 06[F16D]
6786313 Rotational control apparatusFeb 04, 02Sep 07, 04[F16D]
6755289 Rotational control apparatusAug 19, 02Jun 29, 04[F16D]
6554115 Rotational control apparatus with variable actuation methodsAug 17, 01Apr 29, 03[F16D]
6460678 Linear motion brakeOct 24, 00Oct 08, 02[F16D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8210323 Motion control apparatusExpiredApr 16, 08Jul 03, 12[B65H]
2004/0000,608 Methods and mechanism for providing variable torque with variable torque resolution to rotation of a web rollAbandonedJun 26, 02Jan 01, 04[B65H]
5355983 Electronically controlled rotational control apparatusExpiredJul 07, 93Oct 18, 94[F16D]
4934500 Fluid pressure releasing device for overload apparatusExpiredSep 11, 89Jun 19, 90[F16D]
4872535 BrakeExpiredSep 30, 88Oct 10, 89[F16D]
4846315 Device for enhancing coolingExpiredSep 23, 85Jul 11, 89[F16D]
4826064 End pivot webguideExpiredFeb 11, 88May 02, 89[B65H]
4770281 Overload apparatusExpiredMar 20, 87Sep 13, 88[F16D]
4766986 Rotational control apparatusExpiredFeb 06, 87Aug 30, 88[F16D]
4750595 Rotational control apparatusExpiredSep 12, 86Jun 14, 88[F16D]
4696378 Axially compact brakeExpiredMay 23, 85Sep 29, 87[F16D]
4679675 Coupling clutchExpiredDec 09, 85Jul 14, 87[F16D]
4648493 Rotational control apparatusExpiredDec 09, 85Mar 10, 87[F16D]
4635768 Clutch having an output with break away connectionExpiredJan 22, 85Jan 13, 87[F16D]
4633991 Coupling clutch having axially captured, rotatable housingExpiredJul 31, 85Jan 06, 87[F16D]
4630178 Articulated coupling assembly for vehicle headlamp doorsExpiredDec 13, 85Dec 16, 86[B60Q]
4624356 Fluid pressure operated, axially-engaging clutchExpiredMar 25, 85Nov 25, 86[F16D]
4606447 Coupling clutch and a self-contained, non-removable guardExpiredJul 12, 84Aug 19, 86[F16D]
4576266 Rotational control apparatusExpiredJul 12, 84Mar 18, 86[F16D]
4561522 Device for enhancing coolingExpiredJan 23, 84Dec 31, 85[F16D]

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