Assignee
MITEL CORP
CA·294 granted patents·1 pending application·10,574 citations·filing 1978–2007
Top patents by PatentIndex Score
295 records- 0196US5533110AHuman machine interface for telephone feature invocationMITEL CORP·Filed 1994·Granted Jul 2, 1996·519 cites·19 claims
- 0296USD275752STelephone control unitMITEL CORP·Filed 1982·Granted Oct 2, 1984·59 cites·1 claims
- 0395US4608686ATwo wire voice and data subscriber loopMITEL CORP·Filed 1982·Granted Aug 26, 1986·145 cites·27 claims
- 0494US6130938AAutomatic call forwardingMITEL CORP·Filed 1997·Granted Oct 10, 2000·256 cites·17 claims
- 0594US5166972AGroup emergency call systemMITEL CORP·Filed 1989·Granted Nov 24, 1992·166 cites·7 claims
- 0693US5940834AAutomatic web page generatorMITEL CORP·Filed 1997·Granted Aug 17, 1999·337 cites·10 claims
- 0793US5761288AService context sensitive features and applicationsMITEL CORP·Filed 1995·Granted Jun 2, 1998·145 cites·12 claims
- 0893US5602843AIntegrated wired and wireless telecommunications systemMITEL CORP·Filed 1996·Granted Feb 11, 1997·249 cites·8 claims
- 0992USD275751STelephoneMITEL CORP·Filed 1982·Granted Oct 2, 1984·32 cites·1 claims
- 1091US4604741AVoice and data interface circuitMITEL CORP·Filed 1984·Granted Aug 5, 1986·89 cites·16 claims
- 1191US4459434AHome telephone exchangeMITEL CORP·Filed 1981·Granted Jul 10, 1984·141 cites·19 claims
- 1291USD266762STelephone line and trunk status displayMITEL CORP·Filed 1980·Granted Nov 2, 1982·36 cites·1 claims
- 1390US6550024B1Semantic error diagnostic process for multi-agent systemsMITEL CORP·Filed 2000·Granted Apr 15, 2003·130 cites·14 claims
- 1490US6018571ASystem for interactive control of a computer and telephoneMITEL CORP·Filed 1997·Granted Jan 25, 2000·308 cites·21 claims
- 1590US5625682AHelp desk improvementMITEL CORP·Filed 1995·Granted Apr 29, 1997·158 cites·12 claims
- 1690US4376875AKeyless and indicatorless local telephone switching systemMITEL CORP·Filed 1980·Granted Mar 15, 1983·76 cites·11 claims
- 1789US5677830AModular, stacking, expandable electronic enclosure systemMITEL CORP·Filed 1995·Granted Oct 14, 1997·105 cites·26 claims
- 1889US5270267ACuring and passivation of spin on glasses by a plasma process wherein an external polarization field is applied to the substrateMITEL CORP·Filed 1991·Granted Dec 14, 1993·115 cites·27 claims
- 1989USD275753SCombined telephone inter communication and automatic telephone dialing deviceMITEL CORP·Filed 1982·Granted Oct 2, 1984·28 cites·1 claims
- 2088US5867114AMethod and apparatus for performing data compressionMITEL CORP·Filed 1996·Granted Feb 2, 1999·174 cites·20 claims
- 2188US5454032AMethod of establishing communication link to one of multiple devices associated with single telephone numberMITEL CORP·Filed 1993·Granted Sep 26, 1995·165 cites·4 claims
- 2288US4743897ALED driver circuitMITEL CORP·Filed 1985·Granted May 10, 1988·57 cites·18 claims
- 2388US4540854ASubscriber line interface circuitMITEL CORP·Filed 1983·Granted Sep 10, 1985·65 cites·9 claims
- 2488US4246502AMeans for coupling incompatible signals to an integrated circuit and for deriving operating supply therefromMITEL CORP·Filed 1978·Granted Jan 20, 1981·37 cites·19 claims
- 2587US6606610B1Feature interaction resolution using fuzzy rulesMITEL CORP·Filed 2000·Granted Aug 12, 2003·53 cites·12 claims
- 2687US6507650B1Method for noise dosimetry in appliances employing earphones or headsetsMITEL CORP·Filed 2000·Granted Jan 14, 2003·40 cites·19 claims
- 2787USD406839SModular telephone setMITEL CORP·Filed 1998·Granted Mar 16, 1999·38 cites·1 claims
- 2886US5638494AAdaptive communication systemMITEL CORP·Filed 1994·Granted Jun 10, 1997·117 cites·36 claims
- 2985US6647103B2Palm PC dockable phoneMITEL CORP·Filed 2000·Granted Nov 11, 2003·62 cites·7 claims
- 3085US6639980B1Adaptive rule-based mechanism and method for feature interaction resolutionMITEL CORP·Filed 2000·Granted Oct 28, 2003·47 cites·29 claims
- 3185US6529182B1Efficient controlled current sink for led backlight panelMITEL CORP·Filed 2000·Granted Mar 4, 2003·51 cites·2 claims
- 3285US6230287B1Web based help deskMITEL CORP·Filed 1998·Granted May 8, 2001·411 cites·18 claims
- 3385US5703942APortable telephone user profiles using central computerMITEL CORP·Filed 1996·Granted Dec 30, 1997·91 cites·8 claims
- 3484US5508631ASemiconductor test chip with on wafer switching matrixMITEL CORP·Filed 1994·Granted Apr 16, 1996·63 cites·9 claims
- 3584US5323456ADigitally controlled ringer signal generationMITEL CORP·Filed 1992·Granted Jun 21, 1994·82 cites·13 claims
- 3684USD304193SCartridge for telephone system equipment cabinetMITEL CORP·Filed 1986·Granted Oct 24, 1989·24 cites·1 claims
- 3784US4747368AChemical vapor deposition apparatus with manifold enveloped by cooling meansMITEL CORP·Filed 1987·Granted May 31, 1988·65 cites·14 claims
- 3883US5602884ADigital phase locked loopMITEL CORP·Filed 1995·Granted Feb 11, 1997·82 cites·10 claims
- 3983US4799022AFrequency doubler with duty cycle monitor meansMITEL CORP·Filed 1987·Granted Jan 17, 1989·34 cites·14 claims
- 4083USD286876STelephoneMITEL CORP·Filed 1984·Granted Nov 25, 1986·19 cites·1 claims
- 4183US4615028ASwitching system with separate supervisory linksMITEL CORP·Filed 1984·Granted Sep 30, 1986·33 cites·21 claims
- 4282US6167127ATelephone system using recorded messages to make outbound announcementsMITEL CORP·Filed 1997·Granted Dec 26, 2000·113 cites·7 claims
- 4382US5675636AAdaptive method for allocating callsMITEL CORP·Filed 1995·Granted Oct 7, 1997·100 cites·21 claims
- 4481US6212309B1Optical cross point switch using deformable micromirrorMITEL CORP·Filed 1999·Granted Apr 3, 2001·71 cites·23 claims
- 4581US5119322ADigital dtmf tone detectorMITEL CORP·Filed 1989·Granted Jun 2, 1992·85 cites·7 claims
- 4681US4481384AVoice recognizing telephone call denial systemMITEL CORP·Filed 1981·Granted Nov 6, 1984·47 cites·16 claims
- 4780US6958992B2Registering an IP phone with an IP phone switchMITEL CORP·Filed 2001·Granted Oct 25, 2005·46 cites·5 claims
- 4880US5470798AMoisture-free sog processMITEL CORP·Filed 1991·Granted Nov 28, 1995·73 cites·7 claims
- 4980US4862452ADigital signal processing systemMITEL CORP·Filed 1988·Granted Aug 29, 1989·76 cites·19 claims
- 5079US7155528B2Simple supplementary service protocol for H.323 systemsMITEL CORP·Filed 2001·Granted Dec 26, 2006·23 cites·10 claims
Showing the top 50 of 295 patent records by PatentIndex Score.
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