Inventor

Jacek F. Gieras

Inventor

Glastonbury, CT, US

Overview

2005–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 107 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary

H02KDynamo-electric machines27%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters20%

H01FMagnets5%

Y02TClimate change mitigation technologies related to transportation4%

B64CAeroplanes3%

B64DEquipment for fitting in or to aircraft3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

B66BElevators3%

H02JElectric power networks3%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%

PatentTitleYear

11,081,930Kinetic energy storage with a switched reluctance machine2021 11,081,947Claw pole brushless synchronous machine2021 11,050,322Flywheel energy storage with PM, induction, or variable reluctance machine2021 11,043,880Electric power generating system with a synchronous generator2021 10,992,190Self-exciting synchronous reluctance generators2021 10,958,113Self-exciting synchronous reluctance generators2021 10,916,997Line start two-speed brushless motor2021 10,787,967Starter-generator modules for gas turbine engines2020 10,770,936Modular permanent magnet rotor2020 10,749,390Line-start synchronous reluctance motor with improved performance2020 10,727,769Voltage regulation of permanent magnet generator with extended speed range2020 10,715,017Hybrid synchronous machines2020 10,693,358Reciprocating electromagnetic actuator with flux-balanced armature and stationary cores2020 10,666,097Switched reluctance electric machine including pole flux barriers2020 10,644,513High voltage power generating system2020 10,626,871Centrifugal pump with integrated axial flux permanent magnet motor2020 10,622,929Reluctance-type rotary actuators2020 10,566,880Sensorless control of a DC synchronous machine2020 10,516,307Interior permanent magnet motor/rotor with curved and spoke-type permanent magnets2019 10,505,411Electric motors2019 10,498,274High voltage direct current system for a vehicle2019 10,486,537Power generating systems having synchronous generator multiplex windings and multilevel inverters2019 10,491,055Self-exciting synchronous reluctance generators2019 10,483,891Double stator permanent magnet machine with magnetic flux regulation2019 10,483,886Modular electric power generating system with multistage axial flux generator2019 10,468,180Electromagnetic energy harvester for aircraft applications2019 10,461,594Reduction of starting current in line start permanent magnet brushless motors2019 10,381,886Motor-generator with radial-flux double-sided stator2019 10,355,568Flux control of permanent magnet electric machine2019 10,270,305Motor-generator with multiple stator windings2019 10,186,370Transformers with integrated inductors2019 10,122,306Electric power generating system with a permanent magnet generator and combination of active and passive rectifiers2018 10,122,307Doubly stator-fed synchronous generator2018 10,075,106DC synchronous machine2018 10,033,252Sensorless control of a DC synchronous machine2018 9,998,047Synchronous machine with rechargeable power storage devices2018 9,985,562Electric power generating system with a synchronous generator and tunable filter2018 9,941,827High voltage DC power generating system including selectively removable neutral node2018 9,908,706'Electric motor power drive unit for an aircraft cargo hold floor system'2018 9,859,047'Solenoid actuators and solenoid actuated devices'2018 9,859,776'Starting current reduction in induction motors'2018 9,837,196Pendulum-type electromagnetic actuator2017 9,793,046'Rotating transformers for electrical machines'2017 9,771,164'Electric system architecture included in a more-electric engine (MEE) system'2017 9,729,036'Permanent magnet machine for integrated starter generator'2017 9,660,563'High voltage direct current system with improved generator excitation'2017 9,638,044'Resistive-inductive propeller blade de-icing system including contactless power supply'2017 9,573,539'Electric system architecture for more-electric engine accessories'2017 9,548,691'Variable speed constant frequency power generator including permanent magnet exciter'2017 9,502,167'High temperature electromagnetic actuator'2016 9,466,983'Auxiliary winding for extended current measurement'2016 9,458,844'Propeller rotor and engine overspeed control'2016 9,457,909'Resistive-inductive de-icing of aircraft flight control surfaces'2016 9,347,579'Flux bypass for solenoid actuator'2016 9,350,225'Integrated electromagnetic clutch and eddy-current coupling'2016 9,325,229'Generator architecture with PMG exciter and main field rotating power converter'2016 9,318,253'Hybrid planar common-mode choke'2016 9,257,889'EPGS architecture with multi-channel synchronous generator and common field regulated exciter'2016 9,225,225'Sensing PM electrical machine position'2015 9,140,187'Magnetic de-icing'2015 9,088,230'Dual generator system'2015 9,054,610'Generator architecture with main field rotating power converter'2015 8,973,866'Transverse flux machine utilized as part of a combined landing gear system'2015 8,941,341'Rotating diode assembly including overvoltage protection circuit'2015 8,928,293'Systems for wound field synchronous machines with zero speed rotor position detection during start for motoring and improved transient response for generation'2015 8,912,765'EPGS architecture with multi-channel synchronous generator and common unregulated PMG exciter'2014 8,899,516'Coaxial contra-rotating motors for differential landing gear steering'2014 8,889,458'Method of converting power using a power semiconductor module'2014 8,866,449'Sensor PM electrical machines'2014 8,836,293'Variable speed constant frequency system with generator and rotating power converter'2014 8,816,650'Modulating current in a dual generator system'2014 8,729,838'Current control for an electric actuator'2014 8,699,251'Direct current generating, management and distribution system'2014 8,678,140'Electromagnet and elevator door coupler'2014 8,678,141'Electromagnetic coupling with a slider layer'2014 8,536,752'Voltage regulated permanent magnet machine'2013 8,520,389'Power semiconductor module for wide temperature applications'2013 8,465,266'Vacuum pressure systems'2013 8,464,511'Magnetically coupled contra-rotating propulsion stages'2013 8,461,732'Transverse regulated flux alternator'2013 8,446,024'Electrical machines with integrated power and control and including a current source inverter'2013 8,432,137'Power generating system with flux regulated generator'2013 8,424,652'Electromagnet and elevator door coupler'2013 8,390,164'Method of fabrication of permanent magnet machines with magnetic flux regulation'2013 8,390,160'Compact electromechanical actuator'2013 8,358,111'Architecture for dual source electric power generating system'2013 8,310,118'Packaging improvement for converter-fed transverse flux machine'2012 8,299,677'Transverse regulated flux machine'2012 8,299,669'Rim driven thruster having transverse flux motor'2012 8,222,775'Electromechanical energy harvesting system'2012 8,209,107'Electric motor for fuel pump with improved shutdown features'2012 8,201,774'Electromagnetic landing gear brakes'2012 8,201,665'Magnetic door coupling device for an elevator system'2012 8,148,867'Permanent magnet brushless machine with magnetic flux regulation'2012 8,134,331'Motor drive system with flux regulated PM generator'2012 8,085,003'Voltage regulated permanent magnet generator'2011 8,080,960'Direct flux regulated permanent magnet brushless motor utilizing sensorless control by DC and AC excitation'2011 8,030,807'Electromechanical energy harvesting system'2011 7,885,089'Electric power generation and conversion with controlled magnetics'2011 7,859,231'Permanent magnet electric generator with variable magnet flux excitation'2010 7,843,155'Direct flux regulated permanent magnet brushless motor utilizing sensorless control'2010 7,830,057'Transverse flux machine'2010 7,823,699'Electromagnetically operated elevator door lock'2010 7,777,384'Permanent magnet dynamoelectric machine with variable magnetic flux excitation'2010 7,650,970'Elevator door lock sensor device including proximity sensor elements in a selected geometric pattern'2010 7,124,495'Method for making an electric motor'2006 6,952,068'Fabricated components of transverse flux electric motors'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2014Patents assigned to OTIS ELEVATOR CO (8)· patent assignee history

2005–2021Based in Glastonbury, CT, US· patent location history

2010–2021Patents assigned to HAMILTON SUNDSTRAND CORP (91)· patent assignee history

2011–2015Patents assigned to GIERAS JACEK F (30)· patent assignee history

2011–2015Patents assigned to ROZMAN GREGORY I (20)· patent assignee history

2014–2021Patents assigned to HAMILTON SUNSTRAND CORP (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HAMILTON SUNDSTRAND CORP	91	2010–2021
GIERAS JACEK Fself	30	2011–2015
ROZMAN GREGORY I	20	2011–2015
OTIS ELEVATOR CO	8	2005–2014
HAMILTON SUNSTRAND CORP	4	2014–2021

Locations

Location	Patents	Span
Glastonbury, CT, US	107	2005–2021