Ferrotec Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 876
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 794
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 5102
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9627111 Magnetic member and electronic componentNov 09, 10Apr 18, 17[B82Y, B22F, H01F]
9448262 Current sensor having at least one cancel coilMar 12, 13Sep 20, 16[G01R]
9426875 Method for producing plasma flow, method for plasma processing, apparatus for producing plasma, and apparatus for plasma processingApr 20, 11Aug 23, 16[C23C, H01J, H05H]
9281231 Non-contact magnetic drive assembly with mechanical stop elementsOct 11, 12Mar 08, 16[C23C, H01L, F16H]
8999122 Insulator interposed type plasma processing apparatusFeb 10, 10Apr 07, 15[C23C, H01J]
8926755 Lift-off deposition system featuring a density optimized HULA substrate holder in a conical deposition chamberApr 22, 10Jan 06, 15[C23C]
8833299 Divided annular rib type plasma processing apparatusJun 30, 10Sep 16, 14[C23C, H01J, H01L, C23F]
8562800 Plasma generating apparatus and plasma processing apparatusMar 25, 09Oct 22, 13[C23C, H01J]
8531195 Failure indicator seal for a rotary feedthroughAug 26, 10Sep 10, 13[G01R]
8268448 Assembly of silicon parts bonded together with a silicon and silica compositeJan 11, 10Sep 18, 12[B05D, G11B, B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0234,525 Electrical breakdown limiter for a high voltage power supplyAbandonedMar 06, 13Sep 12, 13[H05B]
2013/0174,980 HIGH STRENGTH BONDING AND COATING MIXTURE AND METHODAbandonedJul 13, 12Jul 11, 13[C09J]
2012/0060,889 Thermoelectric modules and assemblies with stress reducing structureAbandonedSep 13, 11Mar 15, 12[H01L]
2012/0037,504 Multiply Divided Anode Wall Type Plasma Generating Apparatus and Plasma Processing ApparatusAbandonedMay 06, 10Feb 16, 12[C23C, B01J]
2011/0232,568 HYBRID GAS INJECTORAbandonedSep 24, 10Sep 29, 11[C23C]
8007176 Dynamic pressure bearing and rotation machine employing sameExpiredJun 24, 04Aug 30, 11[F16C]
2011/0109,227 Target Exchange Type Plasma Generating ApparatusAbandonedMar 04, 09May 12, 11[H05H]
2011/0073,236 HIGH STRENGTH BONDING AND COATING MIXTUREAbandonedSep 24, 10Mar 31, 11[B05D, C09D, B32B]
2010/0059,369 PLASMA GENERATING APPARATUS RENDERED ELECTRICALLY NEUTRAL ON THE PERIPHERY OF PLASMA GUNAbandonedMar 27, 08Mar 11, 10[C23C, H05H]
2010/0018,859 Radially enlarged type plasma generating apparatusAbandonedSep 27, 07Jan 28, 10[C23C]
2008/0211,193 Self-cooling ferrofluid sealAbandonedOct 24, 07Sep 04, 08[F16J]
2004/0223,423 Optical pick-up actuator and method for assembling an optical pick-up actuatorAbandonedJun 16, 04Nov 11, 04[G11B]
2002/0158,529 Ferrofluid pivot bearingAbandonedOct 09, 01Oct 31, 02[H02K]
6305694 Ferrofluid sealing deviceExpiredNov 22, 99Oct 23, 01[F16J]
6290233 Sealing apparatusExpiredSep 17, 99Sep 18, 01[F16J]
5876037 Magnetic fluid sealing deviceExpiredNov 19, 96Mar 02, 99[F16J]

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