MARK IV TRANSPORTATION PRODUCTS CORPORATION, A CORP. OF DELAWARE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING138
 
  
 
F16H GEARING199
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5341598 Power door drive and door support having motor operated locksMay 08, 92Aug 30, 94[E05F, F16H]
5192954 Roadway antennaeMar 08, 91Mar 09, 93[G01S]
5130503 Pressure wave switch having improved contact structure and pressure equilizationJun 24, 91Jul 14, 92[H01H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5638773 Method and apparatus for low NOX combustion of gaseous fuelsExpiredJul 17, 95Jun 17, 97[F22B]
5587712 Transponder having microprocessor generated frequency shift signalsExpiredNov 12, 93Dec 24, 96[G08G]
5582137 Compact boiler having low NOX emissionsExpiredMar 22, 94Dec 10, 96[F22B]
5483769 Door drive equipment for mass transit vehicleExpiredDec 07, 93Jan 16, 96[E05C]
5471957 Compact boiler having low NO.sub.x emissionsExpiredMar 18, 94Dec 05, 95[F22B]
5438800 Stabilizer for outside sliding plug doorsExpiredApr 11, 94Aug 08, 95[E05D]
5433174 Method and apparatus for low NOX combustion of gaseous fuelsExpiredAug 10, 93Jul 18, 95[F22B]
5333574 Compact boiler having low NOX emissionsExpiredNov 05, 92Aug 02, 94[F22B]
5332279 Power door operator for multi-passenger mass transit vehiclesExpiredMay 17, 93Jul 26, 94[B60J]
5259342 Method and apparatus for low NOX combustion of gaseous fuelsExpiredSep 11, 91Nov 09, 93[F22B]
5148631 Pneumatic door operator having pneumatic actuator and lockExpiredDec 08, 89Sep 22, 92[E05D]
4901474 Pneumatic door operator having novel pneumatic actuator and lockExpiredMar 11, 88Feb 20, 90[E05F]
4882876 Door operator with locking mechanismExpiredMar 23, 89Nov 28, 89[E05B]
4804910 Traction load meter systemExpiredFeb 14, 86Feb 14, 89[G08B, G06F, G01R]
4704870 Thermoelectric coolerExpiredMay 19, 86Nov 10, 87[F25B]
4653227 Door operating assemblyExpiredOct 11, 85Mar 31, 87[E05C]
4628835 Waste fluid incinerator having heat recovery meansExpiredSep 28, 84Dec 16, 86[F23G]
4627242 Thermoelectric coolerExpiredApr 19, 84Dec 09, 86[F25B]
4621592 Boiler having improved heat absorptionExpiredNov 29, 84Nov 11, 86[F22B]
4620490 Door sealExpiredOct 04, 83Nov 04, 86[F23M]

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