HOECHST CERAMTEC AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6077564 Process for producing a metal-coated, metallized component of aluminum nitride ceramic and metal-coated component obtained therebyNov 03, 97Jun 20, 00[B05D]
5391093 Ceramic insulating blockNov 09, 92Feb 21, 95[H01R]
5360354 Contact pin with ceramic insulationMar 25, 93Nov 01, 94[H01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5977487 High voltage insulator of ceramic material having shrink-fit cap and method of makingExpiredDec 23, 97Nov 02, 99[H01B]
5853839 Composite diskExpiredMar 19, 96Dec 29, 98[B32B]
5657818 Permeable structureExpiredNov 10, 93Aug 19, 97[F28F]
5641720 Corundum porcelain composition, processes for its preparation and useExpiredNov 29, 95Jun 24, 97[C04B]
5618767 Process for producing ceramic components of silicon carbideExpiredJan 11, 96Apr 08, 97[C04B]
5531265 Method of operating heat exchangersExpiredNov 01, 94Jul 02, 96[F28B]
5525432 Internal soldering in metal/ceramic compositesExpiredJun 10, 94Jun 11, 96[B23B, B23K]
5424257 Ceramic moldings composed of aluminum oxide having high metallization adhesionExpiredApr 05, 93Jun 13, 95[C04B]
5389583 Process for the preparation of a silicate-bound materialExpiredSep 20, 93Feb 14, 95[C03C]
5387441 Metal-ceramic jointExpiredApr 03, 92Feb 07, 95[C25D, B05D]
5387562 Silicon slip-casting composition, and process for the preparation thereofExpiredAug 26, 92Feb 07, 95[C04B]
5351874 Method of joining a ceramic component to a metal componentExpiredJan 06, 93Oct 04, 94[B23K]
5324692 Process for producing moldings from silicon-infiltrated silicon carbideExpiredFeb 17, 93Jun 28, 94[C04B]
5275377 Valve disks of silicon-infiltrated silicon carbideExpiredApr 16, 93Jan 04, 94[F16L]
5243257 Surge voltage protectorExpiredOct 23, 91Sep 07, 93[H01T]
5238057 Finned-tube heat exchangerExpiredJul 06, 90Aug 24, 93[F28F]
5196754 Piezoelectric tone generator and a process for producing itExpiredMay 10, 91Mar 23, 93[H01L]
5194204 Process for producing a silicized silicon carbide dipping formerExpiredJan 30, 90Mar 16, 93[C04B]
5156322 Process for the production of a solder coating on metallized materialsExpiredJun 11, 91Oct 20, 92[B23K]
5094150 Pump piston for axial piston pumpsExpiredApr 10, 90Mar 10, 92[F16J]

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