H.E.F.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 2081
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 1159
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
C10M LUBRICATING COMPOSITIONS 445
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 4124
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 332
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 352
 
  
 
F16H GEARING397
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 291
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 243

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0349,997 METHOD FOR SURFACE TREATMENT OF A STEEL COMPONENT BY NITRIDING OR NITROCARBURISING, OXIDISING AND THEN IMPREGNATINGDec 15, 15Dec 07, 17[C23C]
2017/0298,783 METHOD FOR COATING THE NOSE OF THE CAMS OF A CAMSHAFT WITH DLC, CAMSHAFT OBTAINED IN THIS WAY AND FACILITY FOR IMPLEMENTING SAID METHODJun 10, 15Oct 19, 17[C23C, F01L, F16H]
2017/0175,812 SELF-LUBRICATING COMPOSITE FRICTION PARTJun 29, 15Jun 22, 17[F16C]
2017/0152,582 METHOD FOR TREATNG A NITRIDED/NITROCARBURISED PARTJul 16, 15Jun 01, 17[C23C, B23K, C21D]
2015/0307,801 GUIDING MEMBER IN THE FORM OF A METAL RING FOR ASSEMBLY WITH FRICTION AND WITH THE ARTICULATING AND/OR SLIDING CAPABILITY OF A SHAFTDec 06, 13Oct 29, 15[C10M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9874174 Internal combustion engine linerMay 06, 13Jan 23, 18[C23C, F02F]
9790984 Self-lubricating hinge assembly made from composite material and operating under high dynamic loadsOct 15, 13Oct 17, 17[F16C]
9611534 Molten-salt bath for nitriding mechanical parts made of steel, and implementation methodMar 07, 12Apr 04, 17[C23C]
9490102 Device for generating plasma having a high range along an axis by electron cyclotron resonance (ECR) from a gaseous mediumSep 04, 13Nov 08, 16[H01J, H05H]
9464346 Method for cooling metal parts having undergone a nitriding/nitrocarburising treatment in a molten salt bath, unit for implementing said method and the treated metal partsJul 12, 12Oct 11, 16[C23C]
9441669 Guiding body in the form of a ring for friction mounting, with an articulating and/or element-sliding capacityDec 06, 13Sep 13, 16[F16C]
9284509 Friction piece operating in a lubricated mediumOct 03, 12Mar 15, 16[C23C, C10M, F16C]
9273386 Pair of guiding elements of which one is made of specific steel leading to improved anti-seizing performancesApr 21, 06Mar 01, 16[C23C, F16C, C22C]
9234269 Method of treating parts for kitchen utensilsFeb 18, 10Jan 12, 16[C23C, C21D]
9103016 Part having a DLC coating and method for applying the DLC coatingMay 16, 12Aug 11, 15[C23C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0117,168 Device and method for attaracting diseased cells and foreign substancesAbandonedNov 09, 04May 07, 09[A61K, A61F, A61P]
2009/0062,695 APPARATUS FOR MEASURING AND ANALYZING EFFORTS EXERTED BY THE LEGSAbandonedOct 20, 05Mar 05, 09[A61B]
2007/0137,735 Method for treating ferrous alloy parts by sulphurizationAbandonedOct 06, 04Jun 21, 07[C23C, B05D]

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