SGL Technik GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C09J ADHESIVES; ADHESIVE PROCESSES IN GENERAL 154
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6645456 Method for producing expandable graphite intercalation compounds using phosphoric acids, and graphite foilJan 25, 01Nov 11, 03[C01B]
6579626 Layered composite with welded intermediate metal layer, gasket, gasket sheet, metal layer and method of manufacturing a layered compositeJun 30, 00Jun 17, 03[B32B, F16J]
6258457 Metal-reinforced graphite multilayer sheetFeb 04, 99Jul 10, 01[B32B]
5509993 Process for the preparation of a metal and graphite laminateMar 24, 94Apr 23, 96[C09J]
5281479 Corrosion and heat-resistant ordered packing for mass transfer and heat exchange processesFeb 14, 92Jan 25, 94[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6537654 Protection products and armored products made of fiber-reinforced composite material with ceramic matrixExpiredApr 12, 00Mar 25, 03[B32B]
6444107 Method and device for the simultaneous production of acid and base of high purityExpiredFeb 05, 01Sep 03, 02[C02F]
6385956 Packing yarn made of graphite foil and metal foil and method of manufacturing a packing yarnExpiredJun 28, 99May 14, 02[D02G]
6270083 Packing yarn made of graphite foil and plastic foil and method of manufacturing a packing yarnExpiredJun 28, 99Aug 07, 01[F16J]
6149978 Coating of porous, hydrophobic substrates with thermoplastic fluoropolymersExpiredFeb 22, 94Nov 21, 00[B05D]
5730916 Process for manufacturing essentially carbon filler or distributing body for flowing liquidsExpiredMay 31, 95Mar 24, 98[C01B]
5387172 Fiber-reinforced plastic cylinder with an outer wear-resistant layer of filler-containing plastic and a method for producing the sameExpiredAug 13, 93Feb 07, 95[B23P]
5211220 Tube for a shell and tube heat exchanger and process for the manufacture thereofExpiredJun 09, 89May 18, 93[F16L, F28F]
4921283 Connection of carbon or graphite tubesExpiredMay 22, 89May 01, 90[F16L]
4903641 Method and apparatus for extracting saturated steam in the synthesis of hydrogen chloride gasExpiredFeb 27, 89Feb 27, 90[F22B]
4474233 Tube bundle heat exchangerExpiredApr 08, 82Oct 02, 84[F28F]
4315575 Vacuum support for burst protection deviceExpiredMay 28, 80Feb 16, 82[B65D]
4296177 Flexible graphite sheet, material or layer containing metal molybdateExpiredDec 21, 79Oct 20, 81[B32B]
4255363 Column sealExpiredDec 21, 79Mar 10, 81[B01F]
4216266 Flexible graphite sheet material treated with an alkali metal salt containing at least one of the elements chromium, molybdenum and tungstenExpiredSep 21, 78Aug 05, 80[C01B]
4211594 Joining together shaped bodies of polytetrafluoroethyleneExpiredJan 09, 78Jul 08, 80[B29D, B65H, B32B]
4197149 Method for joining together shaped bodies of polytetrafluoroethyleneExpiredJan 06, 78Apr 08, 80[B29D, B32B]

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