SPX DEVELOPMENT CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 237
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
C12M APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY 148
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
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
7050306 Plug-in module for portable computing deviceNov 01, 00May 23, 06[H05K]
D491826 ReflectorMay 09, 03Jun 22, 04[1005]
D490006 Housing for an electrical deviceMar 19, 01May 18, 04[1004]
6701233 Scan tool with dropped communications detection and recovery and improved protocol selectionMay 31, 02Mar 02, 04[G06F]
D485503 Display for a tester deviceApr 11, 02Jan 20, 04[1004]
6570385 Handheld tester for starting/charging systemsMar 19, 01May 27, 03[F02P]
D473809 Housing for a testing deviceApr 11, 02Apr 29, 03[1004]
D473151 Gauge displayOct 26, 01Apr 15, 03[1004]
D472483 Button configuration for a testing deviceApr 11, 02Apr 01, 03[1004]
6504119 Infrared on/off button for computing apparatusNov 01, 00Jan 07, 03[H01H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6624641 Air bag simulator and method of simulating an air bagExpiredSep 26, 00Sep 23, 03[B60R, G01R]
6384608 Battery tester using internal resistance to measure a condition of a batteryExpiredMar 13, 01May 07, 02[G01N]
6162024 Constant horsepower continuously variable volume pumpExpiredDec 01, 98Dec 19, 00[F04B]
6029448 Low noise hydraulic power unit for an auto-hoist liftExpiredDec 08, 97Feb 29, 00[F16D]
5988989 Compact hydraulic power unit having a reservoir closed by a manifold having a hydraulic circuitExpiredDec 08, 97Nov 23, 99[F04B]
5617771 Auto cycle pumpExpiredJan 11, 96Apr 08, 97[F01B]
5613516 Combination hydraulic pressure regulator and pressure switchExpiredDec 21, 95Mar 25, 97[F16K]
5605207 Fuel tank tenderExpiredMay 10, 95Feb 25, 97[B66B]
5497621 Plastic reservoirExpiredNov 10, 94Mar 12, 96[F16D]
5394093 Method and apparatus for testing vehicle engine sensorsExpiredApr 30, 93Feb 28, 95[G01R]
D345703 Tester for engine sensors and ignition modulesExpiredJan 06, 93Apr 05, 94[]
5229942 Control system for remote power upExpiredNov 13, 90Jul 20, 93[G06F]
5190265 Vehicle service toolExpiredJan 21, 92Mar 02, 93[B60P]
5177447 Automated breakout box for automotive testingExpiredNov 06, 90Jan 05, 93[F02P, G01R]
D331711 Code scanner for automotive diagnostic testingExpiredOct 07, 91Dec 15, 92[]
5080132 Refrigeration equipment service apparatus with quick-disconnect couplingsExpiredNov 05, 90Jan 14, 92[F16L]
5067694 Automatic coupling systemExpiredJun 28, 90Nov 26, 91[B23Q]
5056560 Quick disconnect couplings unthreaded refrigerant fitmentsExpiredApr 17, 91Oct 15, 91[F16L]
5046322 Electronic refrigerant transfer scaleExpiredMay 08, 89Sep 10, 91[F25B]
RE33212 Service station for refrigeration equipmentExpiredOct 07, 88May 08, 90[F25B]

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