DIAMET CORPORATION

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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 1735
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 1456
 
  
 
C22C ALLOYS 1260
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 839
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 420
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS272
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0341,130 SIZING DIE FOR DENSIFYING SURFACE OF SINTERED BODY, PRODUCTION METHOD USING SAME, AND PRODUCT OBTAINED THEREFROMMar 11, 16Nov 30, 17[B21J, B22F]
2017/0283,911 Cu-BASED SINTERED BEARING AND PRODUCTION METHOD FOR Cu-BASED SINTERED BEARINGSep 04, 15Oct 05, 17[F16C, B22F, C22C]
2015/0037,196 Cu-BASED SINTERED SLIDING MEMBEROct 22, 14Feb 05, 15[B22F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9849511 Method of producing a Cu-based sintered sliding memberOct 22, 14Dec 26, 17[F16C, B22F, C22C]
9844811 Raw material powder for powder metallurgyDec 02, 13Dec 19, 17[C10M, B22F]
9773597 Composite soft magnetic material having low magnetic strain and high magnetic flux density, method for producing same, and electromagnetic circuit componentFeb 22, 12Sep 26, 17[B22F, H01F, C22C]
9663844 Sintered alloy superior in wear resistanceFeb 21, 13May 30, 17[F16C, B22F, C22C]
9574559 Oil pump rotorDec 13, 12Feb 21, 17[F04C]
9476453 Cu-based oil-impregnated sintered bearingNov 07, 11Oct 25, 16[F16C, B22F, C22C]
9269481 Iron powder coated with Mg-containing oxide filmNov 02, 05Feb 23, 16[H02K, B22F, H01F, B32B, C22C]
9017599 Sliding part and method of manufacturing the sameJun 01, 12Apr 28, 15[F16C, B22F]
8999232 Sintered bearing for motor-powered fuel injection pumpsNov 07, 11Apr 07, 15[F16C, F04D, C22C]
8795586 Method of producing powder sintered productNov 14, 05Aug 05, 14[B22F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0145,284 Cu-BASED SINTERED SLIDING MEMBERAbandonedAug 27, 10Jun 14, 12[C22C]
2010/0141,055 OUTER STATOR OF RECIPROCATING ENGINE AND RECIPROCATING ENGINEAbandonedJul 26, 06Jun 10, 10[H02K]
2010/0141,056 RECIPROCATING ENGINEAbandonedJul 26, 06Jun 10, 10[H02K]
2009/0311,129 ABRASION RESISTANT SINTERED COPPER BASE CU-NI-SN ALLOY AND BEARING MADE FROM THE SAMEAbandonedJun 27, 07Dec 17, 09[C22C]
7588429 Oil pump rotor assemblyExpiredAug 25, 04Sep 15, 09[F04C, F03C]
7572117 Inner rotor of internal gear pump having convex small circular arc partsExpiredJan 12, 05Aug 11, 09[F04C]
2009/0129,963 Sliding Part and Method of Manufacturing the SameAbandonedNov 14, 05May 21, 09[B22F]
7476093 Oil pump rotor assemblyExpiredAug 10, 04Jan 13, 09[F04C, F03C, F01C]
7371271 Composite soft magnetic sintered material having high density and high magnetic permeability and method for preparation thereofExpiredMar 29, 02May 13, 08[B22F]
2008/0038,142 Method for Forming Powder Molding Product and Mold Apparatus for Powder MoldingAbandonedFeb 24, 05Feb 14, 08[B22F, B30B]
2008/0003,126 Method for Producing Soft Magnetic Metal Powder Coated With Mg-Containing Oxide Film and Method for Producing Composite Soft Magnetic Material Using Said PowderAbandonedSep 06, 05Jan 03, 08[B22F, H01F]
2007/0081,913 Iron base sintered alloy having highly densified and hardened surface, and producing method thereofAbandonedJun 24, 04Apr 12, 07[C22C]
2006/0099,079 Iron-based sintered alloy, iron base sintered alloy member, method for production thereof, and oil pump rotorAbandonedOct 20, 03May 11, 06[B63H, F03B]
6793876 Production process for Fe-based sintered alloy valve seatExpiredSep 30, 03Sep 21, 04[B22F]
2004/0119,232 Bingo type numbers gameAbandonedDec 18, 02Jun 24, 04[A63F]
6641779 Fe-based sintered valve seat having high strength and method for producing the sameExpiredNov 15, 01Nov 04, 03[B22F]

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