CERADYNE, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 860
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
F41H ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL227
 
  
 
A42B HATS; HEAD COVERINGS 123
 
  
 
A61C DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE 156
 
  
 
A63B APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT 166
 
  
 
B22C FOUNDRY MOULDING 127
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 151
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9302944 insulator material for corona discharge igniter systemsMar 17, 14Apr 05, 16[C04B]
9204678 Helmet retention systemSep 28, 12Dec 08, 15[A42B]
8707848 V-shaped blast shield for protection against IEDsDec 01, 10Apr 29, 14[F41H]
8679613 Armor having a ballistic composite wrap slip layer and a laminate containment wrapMay 21, 07Mar 25, 14[B32B]
8673795 insulator material for corona discharge igniter systemsDec 16, 11Mar 18, 14[C04B]
8652981 Dense silicon nitride body having high strength, high Weibull modulus and high fracture toughnessJan 21, 10Feb 18, 14[C04B]
8622021 High lifetime consumable silicon nitride-silicon dioxide plasma processing componentsOct 27, 08Jan 07, 14[C23C, H01L, B22F, C23F]
8235092 Insulated investment casting mold and method of makingJun 14, 10Aug 07, 12[B22C]
8161851 Composite trimming processMar 31, 09Apr 24, 12[B23Q]
8118117 Thrust bearing assemblyApr 30, 09Feb 21, 12[F16C, E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0023,456 Armor BoltsAbandonedJul 23, 12Jan 23, 14[B23K, F16B]
2013/0111,734 Method of attaching a blast shield to a space frame vehicleAbandonedNov 08, 11May 09, 13[B23P]
2011/0290,832 Device and Method for Carrying and Stabilizing a HelmetAbandonedMay 26, 10Dec 01, 11[A45F]
2009/0044,695 Spring assisted articulating window armor systemAbandonedAug 15, 07Feb 19, 09[F41H]
2007/0089,700 Castable ceramic port linerAbandonedOct 26, 05Apr 26, 07[F01N, F02B, F02F]
7163368 Hydrodynamic bearing runner for use in tilting pad thrust bearing assemblies for electric submersible pumpsExpiredFeb 26, 04Jan 16, 07[F04D]
2006/0014,623 High thermal conductivity AIN-SiC composite artificial dielectric materialAbandonedJul 15, 04Jan 19, 06[C04B]
2006/0014,624 High dielectric strength monolithic Si3N4AbandonedJul 15, 04Jan 19, 06[C04B]
2006/0014,626 Tunable lossy dielectric ceramic material having ZrC as a dispersed second phaseAbandonedJul 15, 04Jan 19, 06[C04B]
6890503 Silica additive for use in rubbers and similar cross-linked materialsExpiredApr 30, 02May 10, 05[C01B]
2004/0144,874 Method and apparatus for making high purity silica powder by ball millingAbandonedJan 24, 03Jul 29, 04[B02C]
2004/0118,271 Lightweight ceramic armor with improved blunt trauma protectionAbandonedJul 01, 02Jun 24, 04[F41H]
2003/0196,743 Apparatus and methods for producing tow based patternsAbandonedApr 17, 02Oct 23, 03[B32B]
6532857 Ceramic array armorExpiredMay 12, 00Mar 18, 03[F41H]
2001/0053,739 HIGH THERMAL CONDUCTIVITY ALN FOR MICROWAVE TUBE APPLICATIONSAbandonedOct 18, 99Dec 20, 01[C04B]
6062632 Vehicle body collision energy absorption systemExpiredMar 20, 98May 16, 00[B60R]
5302328 Making hot pressed silicon nitride by use of low density reaction bonded bodyExpiredJul 19, 83Apr 12, 94[B28B, C04B]
5218263 High thermal efficiency dispenser-cathode and method of manufacture thereforExpiredAug 08, 91Jun 08, 93[H01J]
4954080 Ceramic orthodontic applianceExpiredSep 21, 88Sep 04, 90[A61C]
4949194 Ceramic support arm for movably positioning transducersExpiredFeb 26, 88Aug 14, 90[G11B]

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