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USPTO Patent Rankings Data through Dec 31, 2025
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Shashank Krishnamurthy — 25 Patents

OEOtis Elevator: 21 patents #59 of 1,840Top 4%
Hamilton Sundstrand: 1 patents #1,184 of 2,079Top 60%
WARF: 1 patents #1,912 of 4,123Top 50%
RTX (Raytheon): 1 patents #8,290 of 15,912Top 55%
Rocky Hill, CT: #8 of 212 inventorsTop 4%
Connecticut: #1,485 of 34,797 inventorsTop 5%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Shashank Krishnamurthy has been granted 25 US patents while listed as an inventor at Otis Elevator. The first was granted in 2010 and the most recent in January 2024. Shashank Krishnamurthy ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Shashank Krishnamurthy in Rocky Hill, CT, US.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11866295 Active braking for immediate stops Prasanna Nagarajan, David Ginsberg, Daryl J. Marvin, Ronnie E. Thebeau 2024-01-09
11296623 Emergency braking for a drive system Prasanna Nagarajan, Konda Reddy Chevva 2022-04-05
10934130 Elevator control system Jose Miguel Pasini, David Ginsberg, Arthur Hsu 2021-03-02
10934131 Ropeless elevator control system Vladimir Blasko, Enrico Manes 2021-03-02
10919732 Embedded power module 2021-02-16
10787340 Sensor and drive motor learn run for elevator systems David Ginsberg, Lei Xing, Penghe Geng, Ankit Gupta, Yogesh Parmod Jadhav +2 more 2020-09-29
10773922 Drive and control for six-phase electrical machines with negligible common-mode voltage Dong JIANG, Daryl J. Marvin 2020-09-15
10745238 Power distribution for multicar, ropeless elevator system Daryl J. Marvin, Luis Arnedo 2020-08-18
10689226 Position determining system for multicar ropeless elevator system Peter DePaola, Richard N. Fargo, David Ginsberg, Dang V. Nguyen 2020-06-23
10680538 Emergency braking for a drive system Prasanna Nagarajan, Konda Reddy Chevva 2020-06-09
10647543 Multi-car elevator control David Ginsberg, Dang V. Nguyen 2020-05-12
10513414 System and method of maintaining performance of a system Yang Wang, HanJong Kim, Christopher S. Czerwinski, Edward Piedra, Draguna Vrabie +1 more 2019-12-24
10513413 PWM strategy for regenerative multilevel drive Ismail Agirman, Prasanna Nagarajan, HanJong Kim, Yang Wang 2019-12-24
10427908 Emergency mode operation of elevator system having linear propulsion system Daryl J. Marvin 2019-10-01
10407273 Elevator braking control system David Ginsberg, Xiaodong Luo, Dang V. Nguyen, Richard N. Fargo 2019-09-10
10381952 Universal power electronic cell for distributed generation Luis Arnedo, Vladimir Blasko 2019-08-13 $15,256,000
10366935 Architecture of drive unit employing gallium nitride switches Xin Wu, William A. Veronesi, Kyle W. Rogers, Daryl J. Marvin 2019-07-30
10308480 Embedded power module 2019-06-04
10221038 Control strategies for multilevel line regenerative drive Ismail Agirman, Yang Wang 2019-03-05
10008917 Bus capacitor bank configuration for a multi-level regenerative drive Ismail Agirman, Steven M. Millett, Yang Wang 2018-06-26
9998031 PWM controlled neutral point clamped multilevel converter Luis Arnedo, Marinko Kovacic, Yang Wang 2018-06-12
9755546 PWM controlled neutral point clamped multilevel converter Luis Arnedo, Marinko Kovacic, Yang Wang 2017-09-05
9673713 Gate drive power supply for multilevel converter Marinko Kovacic 2017-06-06
9220184 Advanced cooling for power module switches Ram Ranjan, Matthew Robert Pearson 2015-12-22 $30,874,000
7715950 Non-inverter based distributed energy resource for use in a dynamic distribution system Robert H. Lasseter 2010-05-11