CLEVELAND, OHIO 44113 A CORP. OF DE.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 151

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31902 Dispersion strengthened metalsDec 27, 83May 28, 85[B22F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4752334 Dispersion strengthened metal compositesExpiredDec 13, 83Jun 21, 88[C22C]
4731118 High impact strength power metal part and method for making sameExpiredNov 28, 86Mar 15, 88[B22F]
4707184 Porous metal parts and method for making the sameExpiredMay 31, 85Nov 17, 87[B22F]
RE32309 Fusible powdered metal pasteExpiredJan 27, 86Dec 16, 86[B23K]
4619718 Method of manufacturing a Group II-VI semiconductor device having a PN junctionExpiredJul 10, 84Oct 28, 86[H01L]
4606768 High impact strength powder metal part and method for making sameExpiredJul 15, 85Aug 19, 86[B22F]
4604259 Process for making copper-rich metal shapes by powder metallurgyExpiredSep 19, 85Aug 05, 86[B22F]
4594217 Direct powder rolling of dispersion strengthened metals or metal alloysExpiredMar 07, 85Jun 10, 86[B22F]
4588870 Resistance welding electrode capExpiredDec 18, 84May 13, 86[B23K]
4557767 Fusible powdered metal pasteExpiredSep 11, 84Dec 10, 85[B23K]
4541876 Nonaqueous powdered metal paste compositionExpiredSep 11, 84Sep 17, 85[C23R, B23K]
4520130 Halosilane catalyst and process for making sameExpiredMay 08, 84May 28, 85[B01J]
4504596 Cupreous catalyst and process for making sameExpiredJan 30, 84Mar 12, 85[B01J]
4504597 Cupreous catalyst and process making sameExpiredFeb 16, 84Mar 12, 85[B01J]
4503165 Cupreous catalyst and process for making sameExpiredApr 09, 84Mar 05, 85[B01J]
4478787 Method of making dispersion strengthened metal bodies and productExpiredDec 14, 83Oct 23, 84[B22F]
4462845 Oxygen-free dispersion-strengthened copper and process for making sameExpiredFeb 17, 82Jul 31, 84[C21D]
4460414 Solder paste and vehicle thereforExpiredOct 31, 83Jul 17, 84[B23K]
4440572 Metal modified dispersion strengthened copperExpiredJun 18, 82Apr 03, 84[B22F, C22C]
4426598 Incandescent lamp leads of dispersion strengthened copper wiresExpiredFeb 02, 82Jan 17, 84[H01J]

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