VT

Vijayan J. Thottuvelil

AT AT&T: 21 patents #780 of 18,772Top 5%
GE: 3 patents #10,354 of 36,430Top 30%
LP Lineage Power: 2 patents #4 of 36Top 15%
AI At & T Ipm: 1 patents #18 of 189Top 10%
Overall (All Time): #119,151 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
9722421 DC plant controller and method for selecting among multiple power sources Anurag Jagota, Roy J. Davis 2017-08-01
9722422 DC plant for selecting among multiple power sources Anurag Jagota, Roy J. Davis 2017-08-01
8797011 Variable current limiter for regulator Hongping Li 2014-08-05
8193661 DC plant controller and method for selecting among multiple power sources and DC plant employing the same Anurag Jagota, Roy J. Davis 2012-06-05
7432692 Circuit and method for changing transient response characteristics of a DC/DC converter module Thomas Gang Wang, Cahit Gezgin 2008-10-07
6377476 Protection circuit for active switches in clamp-mode topologies, and power converter employing the same Simon Fraidlin, Mark E. Jacobs, Allen F. Rozman 2002-04-23
6316913 Low dissipation system and method for determining battery capacity and battery plant incorporating the same Subhas Chandra Chalasani 2001-11-13
6304471 System and method for assessing a capacity of a backup battery and power plant incorporating the same Subhas Chandra Chalasani 2001-10-16
6304059 Battery management system, method of operation therefor and battery plant employing the same Subhas Chandra Chalasani, Roy J. Davis, Michael C. Steeves 2001-10-16
6201721 Bus holdup circuit for a distributed power system and method of operation thereof Gabriel G. Suranyi 2001-03-13
6198177 Power supply providing backup AC voltage and method of operation thereof Hengchun Mao 2001-03-06
6188586 Asymmetrical half-bridge power converter having reduced input ripple and method of manufacturing the same Richard W. Farrington, Mark E. Jacobs, Rui Liu 2001-02-13
6160379 Mode selection circuit for a battery, a method of selecting modes for the battery and a battery back-up power supply employing the circuit and method Subhas Chandra Chalasani, Mark E. Jacobs 2000-12-12
6137266 Recharging circuit and method for recharging a battery having a reference electrode Subhas Chandra Chalasani 2000-10-24
6078509 Multiple output flyback converter having improved cross-regulation and method of operation thereof Mark E. Jacobs, Yimin Jiang 2000-06-20
6069807 Compensation circuit method of operations thereof and converter employing the same Jeffrey J. Boylan, Mark E. Jacobs 2000-05-30
6055166 Low trickle current startup bias circuit and method of operation thereof Mark E. Jacobs, Yimin Jiang 2000-04-25
6038145 Controller for a power switch and method of operation thereof Mark E. Jacobs, Kenneth J. Timm 2000-03-14
6037747 Mode selection circuit for a battery and method of operation thereof Subhas Chandra Chalasani, Mark E. Jacobs 2000-03-14
6037755 Switching controller for a buck+boost converter and method of operation thereof Hengchun Mao 2000-03-14
6038147 Power supply employing circulating capacitor and method of operation thereof Mark E. Jacobs, Yimin Jiang, Hengchun Mao 2000-03-14
6025999 Dual output power supply and method of operation thereof Richard W. Farrington, Mark E. Jacobs, Hengchun Mao 2000-02-15
5982598 Protective circuit for a grounded power plant Robert J. Kakalec, Franklin F. Makan 1999-11-09
5949658 Efficiency multiple output DC/DC converter Richard W. Farrington 1999-09-07
5917250 Isolation circuit and verification controller for a power supply and power plant employing the same Robert J. Kakalec 1999-06-29