Inventor · disambiguated record
David A. Elko
Also filed as: ELKO DAVID A · ELKO DAVID ARLEN
82 granted patents·4 pending applications·3,619 citations·filing 1992–2019
99Inventor score
Top patents by PatentIndex Score
86 records- 0197US7093024B2End node partitioning using virtualizationIBM·Filed 2001·Granted Aug 15, 2006·195 cites·15 claims
- 0295US7454648B2System and method for calibrating a time of day clock in a computing system node provided in a multi-node networkIBM·Filed 2005·Granted Nov 18, 2008·38 cites·20 claims
- 0395US7003700B2Halting execution of duplexed commandsIBM·Filed 2002·Granted Feb 21, 2006·82 cites·31 claims
- 0495US5537574ASysplex shared data coherency methodIBM·Filed 1992·Granted Jul 16, 1996·253 cites·17 claims
- 0594US7940706B2Controlling the state of duplexing of coupling facility structuresIBM·Filed 2007·Granted May 10, 2011·20 cites·8 claims
- 0694US5339427AMethod and apparatus for distributed locking of shared data, employing a central coupling facilityIBM·Filed 1992·Granted Aug 16, 1994·247 cites·17 claims
- 0794US5317739AMethod and apparatus for coupling data processing systemsIBM·Filed 1992·Granted May 31, 1994·264 cites·24 claims
- 0893US5493668AMultiple processor system having software for selecting shared cache entries of an associated castout class for transfer to a DASD with one I/O operationIBM·Filed 1992·Granted Feb 20, 1996·187 cites·35 claims
- 0992US7120746B2Technique for data transferIBM·Filed 2002·Granted Oct 10, 2006·102 cites·33 claims
- 1091US6615373B2Method, system and program products for resolving potential deadlocksIBM·Filed 2002·Granted Sep 2, 2003·53 cites·31 claims
- 1191US5561809AIn a multiprocessing system having a coupling facility, communicating messages between the processors and the coupling facility in either a synchronous operation or an asynchronous operationIBM·Filed 1995·Granted Oct 1, 1996·205 cites·55 claims
- 1289US9565013B2Controlling the state of duplexing of coupling facility structuresIBM·Filed 2016·Granted Feb 7, 2017·4 cites·8 claims
- 1389US5581737AMethod and apparatus for expansion, contraction, and reapportionment of structured external storage structuresIBM·Filed 1994·Granted Dec 3, 1996·122 cites·22 claims
- 1488US5457793ASoftware cache management of a shared electronic store in a supplexIBM·Filed 1992·Granted Oct 10, 1995·136 cites·50 claims
- 1588US5331673AIntegrity of data objects used to maintain state information for shared data at a local complexIBM·Filed 1992·Granted Jul 19, 1994·135 cites·29 claims
- 1687US6862595B1Method and apparatus for implementing a shared message queue using a list structureIBM·Filed 2000·Granted Mar 1, 2005·54 cites·23 claims
- 1787US5463736ACoupling facility for receiving commands from plurality of hosts for activating selected connection paths to I/O devices and maintaining status thereofIBM·Filed 1994·Granted Oct 31, 1995·141 cites·22 claims
- 1886US6963882B1Method and apparatus for processing a list structureIBM·Filed 2000·Granted Nov 8, 2005·49 cites·35 claims
- 1986US5574945AMulti channel inter-processor coupling facility processing received commands stored in memory absent status error of channelsIBM·Filed 1995·Granted Nov 12, 1996·136 cites·19 claims
- 2085US8341188B2Controlling the state of duplexing of coupling facility structuresELKO DAVID A·Filed 2011·Granted Dec 25, 2012·4 cites·8 claims
- 2185US7257091B2Controlling the state of duplexing of coupling facility structuresIBM·Filed 2002·Granted Aug 14, 2007·23 cites·7 claims
- 2285US7013305B2Managing the state of coupling facility structures, detecting by one or more systems coupled to the coupling facility, the suspended state of the duplexed command, detecting being independent of message exchangeIBM·Filed 2001·Granted Mar 14, 2006·25 cites·19 claims
- 2382US7779109B2Facilitating synchronization of servers in a coordinated timing networkIBM·Filed 2007·Granted Aug 17, 2010·11 cites·24 claims
- 2482US5706432AMechanism for receiving messages at a coupling facilityIBM·Filed 1995·Granted Jan 6, 1998·121 cites·24 claims
- 2582US5664155ADynamically assigning a dump space in a shared data facility to receive dumping information to be capturedIBM·Filed 1995·Granted Sep 2, 1997·76 cites·4 claims
- 2680US9253046B2Controlling the state of duplexing of coupling facility structuresIBM·Filed 2012·Granted Feb 2, 2016·5 cites·8 claims
- 2779US8799522B2Executing a start operator message commandELKO DAVID A·Filed 2011·Granted Aug 5, 2014·5 cites·20 claims
- 2879US7783736B2Definition of an active stratum-1 server in a coordinated timing networkIBM·Filed 2007·Granted Aug 24, 2010·7 cites·25 claims
- 2979US5761739AMethods and systems for creating a storage dump within a coupling facility of a multisystem enviromentIBM·Filed 1993·Granted Jun 2, 1998·56 cites·73 claims
- 3078US10491675B2Controlling the state of duplexing of coupling facility structuresIBM·Filed 2017·Granted Nov 26, 2019·1 cites·20 claims
- 3176US10976769B2Method and system for time synchronization among systems using parallel sysplex linksIBM·Filed 2018·Granted Apr 13, 2021·1 cites·20 claims
- 3276US5392397ACommand execution system for using first and second commands to reserve and store second command related status information in memory portion respectivelyIBM·Filed 1992·Granted Feb 21, 1995·69 cites·7 claims
- 3375US5742830AMethod and apparatus for performing conditional operations on externally shared dataIBM·Filed 1995·Granted Apr 21, 1998·78 cites·24 claims
- 3475US5339405ACommand quiesce functionIBM·Filed 1992·Granted Aug 16, 1994·64 cites·8 claims
- 3574US7783913B2Facilitating recovery in a coordinated timing networkIBM·Filed 2007·Granted Aug 24, 2010·5 cites·25 claims
- 3674US6944787B2System-managed duplexing of coupling facility structuresIBM·Filed 2001·Granted Sep 13, 2005·14 cites·123 claims
- 3774US6813726B2Restarting a coupling facility command using a token from another coupling facility commandIBM·Filed 2001·Granted Nov 2, 2004·19 cites·22 claims
- 3874US6230243B1Method, system and program products for managing changed data of castout classesIBM·Filed 1999·Granted May 8, 2001·64 cites·43 claims
- 3974US5450590AAuthorization method for conditional command executionIBM·Filed 1995·Granted Sep 12, 1995·71 cites·17 claims
- 4072US8132038B2System and method for calibrating a time of day (TOD) clock in a computing system node provided in a multi-node networkDAHLEN DENNIS J·Filed 2008·Granted Mar 6, 2012·5 cites·10 claims
- 4172US7899894B2Coordinated timing network configuration parameter update procedureIBM·Filed 2006·Granted Mar 1, 2011·5 cites·20 claims
- 4270US9043643B2Operator message commands for testing a coupling facilityIBM·Filed 2012·Granted May 26, 2015·2 cites·10 claims
- 4368US8689240B2Transmitting operator message commands to a coupling facilityELKO DAVID A·Filed 2011·Granted Apr 1, 2014·2 cites·20 claims
- 4468US2020045108A1Controlling the state of duplexing of coupling facility structuresIBM·Filed 2019·Application pending·0 cites
- 4567US7421488B2System, method, and computer program product for centralized management of an infiniband distributed system area networkIBM·Filed 2003·Granted Sep 2, 2008·11 cites·15 claims
- 4667US6438654B1Castout processing for duplexed cache structuresIBM·Filed 1999·Granted Aug 20, 2002·50 cites·24 claims
- 4766US9383941B2Migrating and retrieving queued data in byte-addressable storageIBM·Filed 2014·Granted Jul 5, 2016·1 cites·16 claims
- 4866US7024587B2Managing errors detected in processing of commandsIBM·Filed 2002·Granted Apr 4, 2006·8 cites·28 claims
- 4966US6954817B2Providing at least one peer connection between a plurality of coupling facilities to couple the plurality of coupling facilitiesIBM·Filed 2001·Granted Oct 11, 2005·12 cites·46 claims
- 5066US6266783B1System-managed rebuild of coupling facility structuresIBM·Filed 1999·Granted Jul 24, 2001·47 cites·72 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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