OTTO JUNKER GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B21J FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES 119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9895735 Method for joining two metal strip endsDec 03, 12Feb 20, 18[B21J, F16B, B21C, B21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0018,564 Device for Compensating Variations in Tension and/or for Adjusting the Tensile Stress on a Conveyed Flexible Material StrandAbandonedApr 20, 10Jan 26, 12[B65H, B21C]
7790100 Annealing rackExpiredMar 31, 04Sep 07, 10[C21B]
2010/0015,563 Device for the Levitated Guidance of Web Shaped MaterialAbandonedNov 02, 07Jan 21, 10[F27B, B65H]
2007/0125,876 Nozzle system for the treatment of web-shaped materialAbandonedJul 06, 06Jun 07, 07[B05B, F26B]
2006/0049,556 Device for homogeneous impingement of a planar surface of a tool with a heated gasAbandonedFeb 14, 03Mar 09, 06[C21D]
6862818 Oil removing device for cleaning pipes that are present in the form of coilsExpiredMay 14, 03Mar 08, 05[F26B]
6824736 Pusher furnace rails with plate-shaped sliding supports and sliding shoesExpiredSep 12, 02Nov 30, 04[C21D]
6770858 Device for inductively heating metallic stripsExpiredMar 18, 03Aug 03, 04[H05B]
2003/0047,558 Device for heating metallic itemsAbandonedSep 13, 02Mar 13, 03[H05B]
6517079 Gas seal for continuous thermal treatment facilities operated with a protective gas atmosphereExpiredJun 12, 00Feb 11, 03[F01D, F16J]
6458425 Zinc alloys yielding anticorrosive coatings on ferrous materialsExpiredSep 03, 99Oct 01, 02[B05D, C22C]
6346214 Top hat furnaceExpiredAug 21, 00Feb 12, 02[C21D]
5940427 Crucible induction furnace with at least two coils connected in parallel to a tuned circuit converterExpiredNov 21, 96Aug 17, 99[H05B]
5889812 Process for the operation of coreless induction melting furnaces or holding furnances and an electrical switching unit suitable for the sameExpiredOct 07, 96Mar 30, 99[H05B]
5882582 Liquid metal heating and casting ladleExpiredJul 09, 97Mar 16, 99[B22D]
5818013 Process and device for inductive cross-field heating of flat metallic materialExpiredFeb 13, 97Oct 06, 98[H05B]
5744784 Low-loss induction coil for heating and/or melting metallic materialsExpiredFeb 27, 97Apr 28, 98[H05B]
5336868 Device for inductively heating flat metal materialsExpiredFeb 19, 92Aug 09, 94[H05B]
5135781 Procedure for operating a hot metallizing furnaceExpiredJul 31, 89Aug 04, 92[B05D]
4785985 Apparatus for contactless guiding of webs of material, in particular, metal strips, by means of a gas mediumExpiredOct 22, 87Nov 22, 88[B65H]

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