Inventor
PETTER JEFFREY K
US25 patents
⚠️ This page may combine multiple inventors who share the name “PETTER JEFFREY K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTHERN POWER SYSTEMS INC
8 patentsUS7377750B1May 27, 2008
Lightning protection system for a wind turbine
NORTHERN POWER SYSTEMS INC76 citations97
US6693409B2Feb 17, 2004
Control system for a power converter and method of controlling operation of a power converter
NORTHERN POWER SYSTEMS INC101 citations97
US7145266B2Dec 5, 2006
Parallel-connected inverters with separate controllers having impedance current regulators
NORTHERN POWER SYSTEMS INC61 citations95
US7492617B2Feb 17, 2009
Frequency control and power balancing in disturbed power inverter system and method thereof
NORTHERN POWER SYSTEMS INC38 citations87
US7692938B2Apr 6, 2010
Multiphase power converters and multiphase power converting methods
NORTHERN POWER SYSTEMS INC16 citations84
US7462955B2Dec 9, 2008
Electrical power distribution system and method thereof
NORTHERN POWER SYSTEMS INC53 citations84
US7333352B2Feb 19, 2008
Frequency control and power balancing in disturbed power inverter system and method thereof
NORTHERN POWER SYSTEMS INC18 citations81
US10224831B1Mar 5, 2019
Control systems, methods, and software for keeping power converters within operating limits during disturbances
NORTHERN POWER SYSTEMS INC6 citations64
BETA AIR LLC
5 patentsUS11686751B2Jun 27, 2023
Methods and systems for electric propulsor fault detection
BETA AIR LLC4 citations75
US11353511B1Jun 7, 2022
Methods and systems for electric propulsor fault detection
BETA AIR LLC3 citations73
US12235301B2Feb 25, 2025
Methods and systems for electric propulsor fault detection
BETA AIR LLC0 citations62
US11691744B1Jul 4, 2023
Dual-motor propulsion assembly
BETA AIR LLC1 citations62
US12077306B2Sep 3, 2024
Apparatus and method for optimizing motor performance in an electric aircraft
BETA AIR LLC0 citations52
PETTER JEFFREY K
3 patentsUS8912704B2Dec 16, 2014
Sectionalized electromechanical machines having low torque ripple and low cogging torque characteristics
PETTER JEFFREY K15 citations78
US8467205B2Jun 18, 2013
Methods, systems, and software for controlling a power converter during low (zero)-voltage ride-through conditions
PETTER JEFFREY K4 citations61
US8664787B2Mar 4, 2014
Speed setting system and method for a stall-controlled wind turbine
PETTER JEFFREY K0 citations50
BYWATERS GARRETT L
2 patentsNORTHERN POWER SYSTEMS UTILITY SCALE INC
2 patentsUS9467072B2Oct 11, 2016
Modular power converters usable alone in a multiphase power converter
NORTHERN POWER SYSTEMS UTILITY SCALE INC1 citations57
US8792259B2Jul 29, 2014
Methods, systems, and software for controlling a power converter during low (zero)-voltage ride-through conditions
NORTHERN POWER SYSTEMS UTILITY SCALE INC0 citations51