Assignee
BELLSOUTH CORP
US·99 granted patents·11,867 citations·filing 1985–1998
Top patents by PatentIndex Score
99 records- 0198US5818438ASystem and method for providing television servicesBELLSOUTH CORP·Filed 1995·Granted Oct 6, 1998·757 cites·40 claims
- 0297US5892508ASystem and method for providing television servicesBELLSOUTH CORP·Filed 1998·Granted Apr 6, 1999·280 cites·9 claims
- 0397US5864757AMethods and apparatus for locking communications devicesBELLSOUTH CORP·Filed 1995·Granted Jan 26, 1999·285 cites·28 claims
- 0497US5838774ATelephone polling methodBELLSOUTH CORP·Filed 1996·Granted Nov 17, 1998·393 cites·20 claims
- 0597US5701301AMediation of open advanced intelligent network in SS7 protocol open access environmentBELLSOUTH CORP·Filed 1994·Granted Dec 23, 1997·450 cites·46 claims
- 0697US5590171AMethod and apparatus for communications monitoringBELLSOUTH CORP·Filed 1995·Granted Dec 31, 1996·369 cites·22 claims
- 0797US5430719AMediation of open advanced intelligent network interface by shared execution environmentBELLSOUTH CORP·Filed 1994·Granted Jul 4, 1995·367 cites·17 claims
- 0895US5878126AMethod for routing a call to a destination based on range identifiers for geographic area assignmentsBELLSOUTH CORP·Filed 1995·Granted Mar 2, 1999·329 cites·24 claims
- 0995US5774533AMethod and system for providing a billing directed communication serviceBELLSOUTH CORP·Filed 1996·Granted Jun 30, 1998·325 cites·26 claims
- 1095US5764747APersonal number communication systemBELLSOUTH CORP·Filed 1995·Granted Jun 9, 1998·157 cites·39 claims
- 1195US5438568AMediation of open advanced intelligent network interface for public switched telephone networkBELLSOUTH CORP·Filed 1994·Granted Aug 1, 1995·257 cites·9 claims
- 1295US5369711AAutomatic gain control for a headsetBELLSOUTH CORP·Filed 1990·Granted Nov 29, 1994·143 cites·12 claims
- 1394US5903636ASystem and method for providing caller identification in conjunction with calling card callsBELLSOUTH CORP·Filed 1997·Granted May 11, 1999·252 cites·19 claims
- 1494US5610973AInteractive roamer contact system for cellular mobile radiotelephone networkBELLSOUTH CORP·Filed 1991·Granted Mar 11, 1997·250 cites·38 claims
- 1594US5546444AMethods and apparatus for communicating data via a cellular network control channelBELLSOUTH CORP·Filed 1994·Granted Aug 13, 1996·279 cites·77 claims
- 1692US5878423ADynamically processing an index to create an ordered set of questionsBELLSOUTH CORP·Filed 1997·Granted Mar 2, 1999·259 cites·43 claims
- 1792US5533107AMethod for routing calls based on predetermined assignments of callers geographic locationsBELLSOUTH CORP·Filed 1994·Granted Jul 2, 1996·262 cites·49 claims
- 1892US5526401AMethods and apparatus for acknowledging a paging message via a cellular network control channelBELLSOUTH CORP·Filed 1994·Granted Jun 11, 1996·205 cites·79 claims
- 1991US5937050AMethod for identifying the source of a facsimile communicationBELLSOUTH CORP·Filed 1997·Granted Aug 10, 1999·90 cites·12 claims
- 2091US5867485ALow power microcellular wireless drop interactive networkBELLSOUTH CORP·Filed 1996·Granted Feb 2, 1999·303 cites·27 claims
- 2191US5796634ASystem and method for identifying the geographic region of a geographic area which contains a geographic zone associated with a locationBELLSOUTH CORP·Filed 1997·Granted Aug 18, 1998·191 cites·22 claims
- 2291US5499290AAIN non-call associated signalling for service nodes and service control points in a telephone systemBELLSOUTH CORP·Filed 1993·Granted Mar 12, 1996·136 cites·44 claims
- 2390US5794144AMethods and apparatus for communicating data via a cellular mobile radiotelephone systemBELLSOUTH CORP·Filed 1996·Granted Aug 11, 1998·121 cites·37 claims
- 2490US5588042AInteractive roamer contact system for cellular mobile radiotelephone network for automatically initiating a communication with an autonomously registering cellular mobile radiotelephoneBELLSOUTH CORP·Filed 1995·Granted Dec 24, 1996·186 cites·120 claims
- 2590US5543727ARun-in test system for PC circuit boardBELLSOUTH CORP·Filed 1994·Granted Aug 6, 1996·119 cites·25 claims
- 2690US5471519ACommunications monitoring and control systemBELLSOUTH CORP·Filed 1993·Granted Nov 28, 1995·244 cites·32 claims
- 2789US5896448AMethod and apparatus for routing calls based on call success historyBELLSOUTH CORP·Filed 1996·Granted Apr 20, 1999·106 cites·22 claims
- 2889US5887253AMethod for activating and servicing a cellular telephoneBELLSOUTH CORP·Filed 1996·Granted Mar 23, 1999·205 cites·23 claims
- 2988US5797097AMethod and apparatus for identifying the location of a roaming pagerBELLSOUTH CORP·Filed 1995·Granted Aug 18, 1998·106 cites·37 claims
- 3088US5717741AMethod for handling telephonic messagesBELLSOUTH CORP·Filed 1996·Granted Feb 10, 1998·110 cites·9 claims
- 3188US5692038AMethod for identifying the source of a telephonic communicationBELLSOUTH CORP·Filed 1996·Granted Nov 25, 1997·103 cites·7 claims
- 3287US5920412AMethod and apparatus for signal routing in an optical network and an ATM systemBELLSOUTH CORP·Filed 1996·Granted Jul 6, 1999·91 cites·8 claims
- 3387US5857013AMethod for automatically returning voice mail messagesBELLSOUTH CORP·Filed 1997·Granted Jan 5, 1999·100 cites·20 claims
- 3487US5579384ATelecommunications network service central management system interfacing with protocol specific regional stations providing services to subscribersBELLSOUTH CORP·Filed 1995·Granted Nov 26, 1996·109 cites·31 claims
- 3586US6356756B1Method and system for routing calls to a wireless telecommunications services platformBELLSOUTH CORP·Filed 1998·Granted Mar 12, 2002·126 cites·30 claims
- 3686US5416831ASystem for communicating with an ADSI-compatible telephone via a service circuit nodeBELLSOUTH CORP·Filed 1993·Granted May 16, 1995·163 cites·24 claims
- 3786US5276277AApparatus for controlling indoor electromagnetic signal propagationBELLSOUTH CORP·Filed 1992·Granted Jan 4, 1994·68 cites·25 claims
- 3885US6044265AMethods and apparatus for cellular set programmingBELLSOUTH CORP·Filed 1995·Granted Mar 28, 2000·120 cites·34 claims
- 3984US6073027APortable radiotelephone with sliding cover and automatic antenna extensionBELLSOUTH CORP·Filed 1996·Granted Jun 6, 2000·122 cites·8 claims
- 4084US5570410ADynamic resource allocation process for a service control point in an advanced intelligent network systemBELLSOUTH CORP·Filed 1994·Granted Oct 29, 1996·102 cites·15 claims
- 4183US6415281B1Arranging records in a search result to be provided in response to a data inquiry of a databaseBELLSOUTH CORP·Filed 1997·Granted Jul 2, 2002·60 cites·2 claims
- 4283US6151500AMethod and apparatus for directing a wireless communication to a wireline unitBELLSOUTH CORP·Filed 1997·Granted Nov 21, 2000·88 cites·28 claims
- 4383US5867502AMethod and system for interfacing an ATM switch and an optical network wherein bandwidth is maximized and non-local data streams are grouped into destination groupsBELLSOUTH CORP·Filed 1996·Granted Feb 2, 1999·83 cites·15 claims
- 4482US5961569ASystem and method for identifying a geographic point within a geographic sectionBELLSOUTH CORP·Filed 1997·Granted Oct 5, 1999·128 cites·13 claims
- 4582US5496966AMethod for controlling indoor electromagnetic signal propagationBELLSOUTH CORP·Filed 1991·Granted Mar 5, 1996·56 cites·3 claims
- 4682US5371803ATone reduction circuit for headsetsBELLSOUTH CORP·Filed 1992·Granted Dec 6, 1994·46 cites·25 claims
- 4781US5600710AMethod for providing a recorded message to a telephone caller when called number is busyBELLSOUTH CORP·Filed 1995·Granted Feb 4, 1997·98 cites·8 claims
- 4879US6324269B1Method and system for billing remote calls as if made from a primary lineBELLSOUTH CORP·Filed 1998·Granted Nov 27, 2001·72 cites·13 claims
- 4979US6286011B1System and method for recording transactions using a chronological list superimposed on an indexed listBELLSOUTH CORP·Filed 1997·Granted Sep 4, 2001·51 cites·10 claims
- 5078US6253235B1Method and system to transmit video/data signals from a device to a communications network connection cardBELLSOUTH CORP·Filed 1996·Granted Jun 26, 2001·77 cites·18 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when BELLSOUTH CORP files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →