P

Assignee

SPX CORP

US564 patents

Top patents by PatentIndex Score

US8373597B2Feb 12, 2013

High-power-capable circularly polarized patch antenna apparatus and method

SPX CORP182 citations99
US7209813B2Apr 24, 2007

Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities

SPX CORP104 citations99
US6667624B1Dec 23, 2003

Battery clamp connection detection method and apparatus

SPX CORP142 citations99
US6459968B1Oct 1, 2002

Digital automobile tester

SPX CORP142 citations99
US7751953B2Jul 6, 2010

Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities

SPX CORP65 citations98
US7124058B2Oct 17, 2006

Off-board tool with optical scanner

SPX CORP75 citations98
US6988053B2Jan 17, 2006

Combined off-board device and starter/charging/battery system tester

SPX CORP121 citations98
US6842707B2Jan 11, 2005

Apparatus and method for testing and charging a power source with ethernet

SPX CORP204 citations98
US6838856B2Jan 4, 2005

Apparatus and method for high-frequency operation in a battery charger

SPX CORP137 citations98
US6825669B2Nov 30, 2004

Apparatus and method for data and command input and having a display in a battery charger and tester

SPX CORP100 citations98
US7772720B2Aug 10, 2010

Supercapacitor and charger for secondary power

SPX CORP1,541 citations97
US7751955B2Jul 6, 2010

Diagnostics data collection and analysis method and apparatus to diagnose vehicle component failures

SPX CORP68 citations97
US6784637B2Aug 31, 2004

Battery charger/tester with storage media

SPX CORP109 citations97
US6768474B2Jul 27, 2004

Antenna mounting assembly and method

SPX CORP276 citations97
US7974750B2Jul 5, 2011

Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities

SPX CORP35 citations96
US7165486B2Jan 23, 2007

Apparatus and method for hydraulically controlling a vehicle restraint

SPX CORP54 citations96
US7079143B2Jul 18, 2006

Waveform drawing system and method

SPX CORP59 citations96
US6895809B2May 24, 2005

Method and apparatus for testing a motor

SPX CORP54 citations96
US6626557B1Sep 30, 2003

Multi-colored industrial signal device

SPX CORP134 citations96
US6236917B1May 22, 2001

Open architecture diagnostic tool

SPX CORP117 citations96
US6134899AOct 24, 2000

Refrigerant recovery and recharging system with automatic air purging

SPX CORP55 citations96
US6044860AApr 4, 2000

Adjustable lockout device for knife gate valves

SPX CORP527 citations96
US5051631ASep 24, 1991

Electromagnetic solenoid valve with variable force motor

SPX CORP88 citations96
US7696759B2Apr 13, 2010

Alternator and starter tester with alternator cable check

SPX CORP38 citations95
US7690573B2Apr 6, 2010

Alternator and starter tester with bar code functionality and method

SPX CORP39 citations95
US7235977B2Jun 26, 2007

Handheld tester for starting/charging systems

SPX CORP94 citations95
US6857262B2Feb 22, 2005

Catalytic converter function detection

SPX CORP67 citations95
US6629054B2Sep 30, 2003

Warranty controlling software and device

SPX CORP124 citations95
US6526340B1Feb 25, 2003

Multi-vehicle communication interface

SPX CORP167 citations95
US6216479B1Apr 17, 2001

Programmable electronic start-up delay for refrigeration units

SPX CORP53 citations95
US6193833B1Feb 27, 2001

Method of laser welding transmission filter housing components

SPX CORP97 citations95
US5631831AMay 20, 1997

Diagnosis method for vehicle systems

SPX CORP213 citations95
US7212911B2May 1, 2007

Alternator and starter tester apparatus and method

SPX CORP45 citations94
US6874680B1Apr 5, 2005

Remote updating method and apparatus

SPX CORP74 citations94
US6397620B1Jun 4, 2002

Ultra-low temperature freezer cabinet utilizing vacuum insulated panels

SPX CORP75 citations94
US5993743ANov 30, 1999

Hand-held vehicle exhaust analyzer

SPX CORP61 citations94
US5532714AJul 2, 1996

Method and apparatus for combining video images on a pixel basis

SPX CORP61 citations94
US5172562ADec 22, 1992

Refrigerant recovery, purification and recharging system and method

SPX CORP93 citations94
US7463959B2Dec 9, 2008

Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities

SPX CORP20 citations93
US7017220B2Mar 28, 2006

Spring counterbalance method and apparatus for variably biasing a dock leveler

SPX CORP26 citations93
US6951041B2Oct 4, 2005

Vertically-storing dock leveler apparatus and method

SPX CORP23 citations93
US6925879B2Aug 9, 2005

Vibration analyzer and method

SPX CORP26 citations93
US6928349B1Aug 9, 2005

Scan tool with dropped communications detection and recovery and improved protocol selection

SPX CORP53 citations93
US6911825B2Jun 28, 2005

Battery tester with CCA lookup table

SPX CORP48 citations93
US6823243B2Nov 23, 2004

Open-ended scan analysis with auto-identification of multi-platform gas analyzers

SPX CORP66 citations93
US6791332B2Sep 14, 2004

Alternator testing device and method

SPX CORP26 citations93
US6134896AOct 24, 2000

Background tank fill

SPX CORP57 citations93
US5544492AAug 13, 1996

Refrigerant handling system and method with air purge and multiple refrigerant capabilities

SPX CORP21 citations93
US5497625AMar 12, 1996

Thermoelectric refrigerant handling system

SPX CORP40 citations93
US5181391AJan 26, 1993

Refrigerant handling system with air purge and multiple refrigerant capabilities

SPX CORP29 citations93

Showing the top 50 of 564 patents by PatentIndex Score.