EDWARDS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS4933
 
 
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 4426
 
 
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 4211
 
 
 
B01D SEPARATION 33101
 
 
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 1813
 
 
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 188
 
 
 
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 794
 
 
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 758
 
 
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 664
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 5104

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,732 RADIANT BURNERMar 23, 16Mar 15, 18[F23G, F23D]
2018/0066,658 PUMP MONITORING APPARATUS AND METHODFeb 25, 16Mar 08, 18[F04B, F04C]
2018/0058,457 GAS SUPPLY APPARATUSFeb 02, 16Mar 01, 18[F04F, F16K, F04D]
2018/0032,419 PROCESSING TOOL MONITORINGJan 13, 16Feb 01, 18[G06F]
2018/0023,566 ROTARY SCREW VACUUM PUMPSNov 10, 15Jan 25, 18[F04C]
2017/0350,395 IMPROVEMENTS IN OR RELATING TO VACUUM PUMPING ARRANGEMENTJan 06, 16Dec 07, 17[F16K, F04C, H01L]
2016/0369,783 KINETIC ENERGY RECOVERY SYSTEMJun 14, 16Dec 22, 16[F03G, F04B, F04C, B60L]
2016/0369,806 VEHICLEJun 14, 16Dec 22, 16[F04C, B60L, F04D]
2016/0369,807 KINETIC ENERGY RECOVERY SYSTEMJun 14, 16Dec 22, 16[F04B, F04C, F04D]
2015/0377,239 VACUUM PUMPFeb 15, 13Dec 31, 15[F04D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920761 Vacuum pump rotor for a vacuum pump having a roots pumping mechanismDec 14, 15Mar 20, 18[F03C, F04C, F01C]
9903378 Method of operating a pumping systemDec 12, 14Feb 27, 18[F04B, F04C, F04D]
9906159 Controller for a voltage converterAug 03, 12Feb 27, 18[G01R, H02M]
9879677 Vacuum pumpOct 24, 13Jan 30, 18[F04C, F01C]
9869317 PumpFeb 07, 13Jan 16, 18[F04C, F03D, F04D]
9822788 Vacuum pump with back-up bearing contact sensorOct 14, 13Nov 21, 17[F04D, F16C]
9759256 Vacuum pumpSep 04, 14Sep 12, 17[F04D, F16C]
9739278 Multi-stage vacuum pumpMar 19, 14Aug 22, 17[F04C, F01C]
9726176 Vacuum pumpingDec 17, 12Aug 08, 17[F04C]
9695814 Evacuating a chamberMay 31, 12Jul 04, 17[F04B, F04D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0184,850 Radiant BurnerAbandonedJul 17, 13Jul 02, 15[F23G, F23D]
2015/0167,672 SCROLL COMPRESSORAbandonedJun 10, 13Jun 18, 15[F04C]
2015/0037,187 PumpAbandonedJan 29, 13Feb 05, 15[F04C]
2014/0093,412 VACUUM PUMP STATORS AND VACUUM PUMPSAbandonedMar 25, 13Apr 03, 14[F04C]
2014/0079,581 ROTOR FOR PUMPAbandonedApr 23, 12Mar 20, 14[F04C]
2014/0079,617 APPARATUS FOR TREATING A GAS STREAMAbandonedNov 21, 13Mar 20, 14[B01D]
2014/0017,109 SCROLL COMPRESSORAbandonedFeb 28, 12Jan 16, 14[F04C]
2013/0209,272 VACUUM PUMP CONTROL DEVICE AND VACUUM PUMPAbandonedJul 28, 11Aug 15, 13[F04B]
8480861 Method of treating gasExpiredSep 28, 06Jul 09, 13[B01J, B01D]
2013/0158,036 N,N-DISUBSTITUTED AMINOALKYLBIPHENYL ANTAGONISTS OF PROSTAGLANDIN D2 RECEPTORSAbandonedNov 01, 12Jun 20, 13[A61K]
2013/0071,274 VACUUM PUMPING SYSTEMAbandonedMar 30, 11Mar 21, 13[F04C]
8394179 Method of treating a gas streamExpiredJan 23, 08Mar 12, 13[B01D]
2012/0132,800 VACUUM SYSTEMAbandonedMar 30, 10May 31, 12[F04B, H01J]
2012/0045,322 VACUUM PUMPAbandonedMar 31, 10Feb 23, 12[F04B, F04D]
8105013 Vacuum pumpExpiredJan 09, 06Jan 31, 12[F04D]
2011/0287,373 PILOTAbandonedJan 21, 10Nov 24, 11[F23G, F23D]
2011/0123,355 VACUUM PUMPAbandonedJul 02, 09May 26, 11[F04B]
2011/0017,140 METHOD OF TREATING A GAS STREAMAbandonedFeb 11, 10Jan 27, 11[C23C, B01D]
2010/0303,696 METHOD OF TREATING A GAS STREAMAbandonedDec 02, 08Dec 02, 10[B01D]
2010/0290,966 METHOD AND APPARATUS FOR THE REMOVAL OF FLUORINE FROM A GAS STREAMAbandonedMay 23, 07Nov 18, 10[B01D]

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