DC

Donald Crabtree

IBM: 25 patents #4,217 of 70,183Top 7%
Overall (All Time): #162,282 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11323322 Non-disruptively merging coordinated timing networks John Houston 2022-05-03
11271838 Timing synchronization Richard K. Errickson, John Houston, Peter K. Szwed 2022-03-08
10958727 Facilitating precision time protocol use in a coordinated timing network Stephen Robert Guendert, John Houston, Stephen P. Cherniak, Paul Wojciak 2021-03-23
10903924 Setting primary reference time of server time protocol facility of a coordinated timing network to a precision-time-protocol source Stephen Robert Guendert, John Houston, Stephen P. Cherniak, Paul Wojciak 2021-01-26
10680890 Non-disruptively splitting a coordinated timing network John Houston 2020-06-09
10447532 Non-disruptively merging coordinated timing networks John Houston 2019-10-15
10177979 Non-disruptively splitting a coordinated timing network John Houston 2019-01-08
9934113 Enhanced console assisted recovery for a coordinated timing network Stephen P. Cherniak, John Houston 2018-04-03
9164699 Channel subsystem server time protocol commands Scott M. Carlson, Dennis J. Dahlen, Beth A. Glendening, Michel H. T. Hack, Denise M. Sevigny +2 more 2015-10-20
9112626 Employing configuration information to determine the role of a server in a coordinated timing network Scott M. Carlson, Dennis J. Dahlen, Denise M. Sevigny, Judith A. Wierbowski 2015-08-18
8972606 Channel subsystem server time protocol commands Scott M. Carlson, Dennis J. Dahlen, Beth A. Glendening, Michel H. T. Hack, Denise M. Sevigny +2 more 2015-03-03
8738792 Server time protocol messages and methods Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, Michael H. T. Hack, Denise M. Sevigny +2 more 2014-05-27
8458361 Channel subsystem server time protocol commands Scott M. Carlson, Dennis J. Dahlen, Beth A. Glendening, Michel H. T. Hack, Denise M. Sevigny +2 more 2013-06-04
8416811 Coordinated timing network having servers of different capabilities Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, Michel H. T. Hack, Denise M. Sevigny +1 more 2013-04-09
8001225 Server time protocol messages and methods Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, Michel H. T. Hack, Denise M. Sevigny +2 more 2011-08-16
7958384 Backup power source used in indicating that server may leave network Scott M. Carlson, Stephen P. Cherniak, Dennis J. Dahlen, Noshir R. Dhondy, Denise M. Sevigny +1 more 2011-06-07
7925916 Failsafe recovery facility in a coordinated timing network Scott M. Carlson, Dennis J. Dahlen, Denise M. Sevigny, Judith A. Wierbowski 2011-04-12
7899894 Coordinated timing network configuration parameter update procedure Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, David A. Elko, Michel H. T. Hack +5 more 2011-03-01
7895303 Server time protocol control messages and methods Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, Michael H. T. Hack, Denise M. Sevigny +2 more 2011-02-22
7873862 Maintaining a primary time server as the current time server in response to failure of time code receivers of the primary time server Scott M. Carlson, Stephen P. Cherniak, Dennis J. Dahlen, Noshir R. Dhondy, Michel H. T. Hack +2 more 2011-01-18
7783736 Definition of an active stratum-1 server in a coordinated timing network Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, David A. Elko, Michel H. T. Hack +4 more 2010-08-24
7783913 Facilitating recovery in a coordinated timing network Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, David A. Elko, Denise M. Sevigny +3 more 2010-08-24
7779109 Facilitating synchronization of servers in a coordinated timing network Scott M. Carlson, Dennis J. Dahlen, Noshir R. Dhondy, David A. Elko, Michel H. T. Hack +4 more 2010-08-17
7689718 Channel subsystem server time protocol commands and system therefor Scott M. Carlson, Dennis J. Dahlen, Beth A. Glendening, Michel H. T. Hack, Denise M. Sevigny +2 more 2010-03-30
7523352 System and method for examining remote systems and gathering debug data in real time Jonathan D. Bradbury, Scott M. Carlson, Trevor E. Carlson, David A. Elko, Michel H. T. Hack +4 more 2009-04-21