CERASIV GMBH INNOVATIVES KERAMIK-ENGINEERING

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 2138
 
  
 
B01D SEPARATION 1133
 
  
 
B23B TURNING; BORING 151
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5919236 Joint prosthesisAug 22, 97Jul 06, 99[A61F]
5830816 Sintered moldingJul 02, 96Nov 03, 98[C04B]
5454947 Ceramic filter element for tangential flow filtration of liquids and gasesApr 15, 94Oct 03, 95[B01D]
5139371 Clamp for circular cutting toolFeb 01, 91Aug 18, 92[B23B]
5064437 Knee joint endoprosthesisFeb 11, 91Nov 12, 91[A61F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6224633 Hip joint prosthesisExpiredDec 17, 99May 01, 01[A61F]
6176140 Method of testing ceramic cotyloid cavities for hip joint endoprosthesesExpiredSep 02, 99Jan 23, 01[G01N]
5879397 Tapered hip joint socketExpiredOct 17, 94Mar 09, 99[A61F]
5820311 Lathe cutting toolExpiredJul 01, 96Oct 13, 98[B23B]
5641251 All-ceramic drill bitExpiredJun 06, 95Jun 24, 97[B23B]
5618171 Supply unit with a ceramic internal gear pumpExpiredJan 20, 95Apr 08, 97[F04C]
5609647 Spherical hip joint socketExpiredOct 17, 94Mar 11, 97[A61F]
5584168 Ring and traveller system for spinning and twisting framesExpiredDec 09, 94Dec 17, 96[D01H]
5377713 ValveExpiredSep 17, 93Jan 03, 95[E03B]
5257965 Roller for pressure treatment of websExpiredNov 18, 91Nov 02, 93[B21B]
5033916 High-speed milling or drilling headsExpiredMar 06, 89Jul 23, 91[B26D]
5032215 Method of etching ceramic frictional or sealing elementsExpiredSep 07, 88Jul 16, 91[C25F]
5024977 Combination of two sliding or sealing elements and a method for producing the sameExpiredOct 04, 88Jun 18, 91[C04B]
5006020 Cutter insert for machiningExpiredJul 06, 89Apr 09, 91[B23P]
4975397 Sintered molding, a method for producing it and its useExpiredFeb 26, 87Dec 04, 90[C04B]
4895815 Sintered form bodyExpiredDec 03, 87Jan 23, 90[C04B]
4789433 Skimming blade with wave shaped troughs for a papermaking machineExpiredOct 31, 86Dec 06, 88[D21F]
4728582 Ceramic sliding element with aluminum oxide and silicon nitride membersExpiredAug 05, 86Mar 01, 88[C23C, F16C]
4716869 Valve guide for an internal combustion engineExpiredAug 01, 86Jan 05, 88[F01L]
4662889 Knee joint prosthesisExpiredApr 26, 84May 05, 87[A61F]

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