Inventor

William James Premerlani

Inventor

Scotia, NY, US

Overview

1981–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 99 as inventor

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

H02Hprimary

H02HEmergency protective circuit arrangements15%

H01HElectric switches14%

G01RMeasuring electric variables11%

G06FElectric digital data processing8%

H02JElectric power networks8%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids7%

H04JMultiplex communication4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

H04LTransmission of digital information, e.g. telegraphic communication4%

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

PatentTitleYear

11,087,913Transformer system2021 10,797,488Systems and methods for operatively coupling a micro-grid to a bulk grid2020 10,700,523System and method for distribution load forecasting in a power grid2020 10,436,823Systems and methods for swing angle estimation in an electrical power system2019 10,372,569Methods and system for detecting false data injection attacks2019 10,203,363DC leakage current detector and method of operation thereof for leakage current detection in DC power circuits2019 10,168,372System and method for leakage current and fault location detection in electric vehicle DC power circuits2019 10,024,920Systems and methods for swing angle estimation in an electrical power system2018 9,997,921Solar power conversion system and method2018 9,847,647Solar power conversion system and method2017 9,829,880System and method for modelling load in an electrical power network2017 9,810,730'System and method for electrical short detection'2017 9,654,102'Hybrid direct-current circuit breaker'2017 9,076,607'System with circuitry for suppressing arc formation in micro-electromechanical system based switch'2015 8,963,558'Current differential protection'2015 8,942,108'Method and system for current differential protection'2015 8,687,325'Micro-electromechanical switch protection in series parallel topology'2014 8,427,792'Method and system to enhance reliability of switch array'2013 8,358,488'Micro-electromechanical system based switching'2013 8,213,144'Circuit protection system'2012 8,144,445'Micro-electromechanical system based switching'2012 8,135,551'Robust on line stator turn fault identification system'2012 8,072,723'Resettable MEMS micro-switch array based on current limiting apparatus'2011 8,054,589'Switch structure and associated circuit'2011 8,050,000'Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition'2011 7,995,315'Ground fault protection circuit for multi-source electrical distribution system'2011 7,944,660'Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution'2011 7,903,382'MEMS micro-switch array based on current limiting enabled circuit interrupting apparatus'2011 7,885,043'Remote-operable micro-electromechanical system based over-current protection apparatus'2011 7,876,538'Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition'2011 7,839,611'Programmable logic controller having micro-electromechanical system based switching'2010 7,747,356'Integrated protection, monitoring, and control system'2010 7,692,519'MEMS switch with improved standoff voltage control'2010 7,663,456'Micro-electromechanical system (MEMS) switch arrays'2010 7,643,256'Electromechanical switching circuitry in parallel with solid state switching circuitry selectively switchable to carry a load appropriate to such circuitry'2010 7,633,725'Micro-electromechanical system based soft switching'2009 7,612,971'Micro-electromechanical system based switching in heating-ventilation-air-conditioning systems'2009 7,599,161'Relay device and corresponding method'2009 7,589,942'MEMS based motor starter with motor failure detection'2009 7,567,881'Self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers'2009 7,554,222'Micro-electromechanical system based switching'2009 7,542,250'Micro-electromechanical system based electric motor starter'2009 7,542,256'Relay device and corresponding method'2009 7,508,173'System and method for providing reactive power support with distributed energy resource inverter'2009 7,473,859'Gating voltage control system and method for electrostatically actuating a micro-electromechanical device'2009 7,472,026'Multi-ended fault location system'2008 7,463,036'Measurement of analog coil voltage and coil current'2008 7,444,248'System and method for synchronized phasor measurement'2008 7,332,835'Micro-electromechanical system based switching module serially stackable with other such modules to meet a voltage rating'2008 7,330,096'Fault current limiter'2008 7,328,114'Methods and systems for measuring a rate of change of frequency'2008 7,254,001'Circuit protection system'2007 7,180,300'System and method of locating ground fault in electrical power distribution system'2007 7,151,329'Integrated protection, monitoring, and control system'2006 7,126,800'Method and system for communications channel delay asymmetry compensation using global positioning systems'2006 7,117,105'Method and apparatus for ground fault protection'2006 7,111,195'Method and system for external clock to obtain multiple synchronized redundant computers'2006 7,068,612'Method for communicating information bundled in digital message packets'2006 7,043,340'Protection system for power distribution systems'2006 7,016,793'Method and apparatus for anti-islanding protection of distributed generations'2006 7,012,421'Energy calculation methods in power distribution systems'2006 6,915,219'Method for canceling transient errors in unsynchronized digital current differential transmission line protection systems'2005 6,892,115'Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment'2005 6,892,145'Method and system for conditionally triggered system data capture'2005 6,873,236'Fault current limiter'2005 6,597,999'Method and system for real-time prediction of zero crossings of fault currents'2003 6,571,182'Method and system for consolidating phase current samples'2003 6,483,065'Methods and apparatus for current transmission through a circuit breaker'2002 6,456,947'Digital current differential system'2002 6,388,420'System and method for sensorless rotor tracking of induction machines'2002 6,311,307'Digital current differential system'2001 6,300,767'System and apparatus for predicting failure in insulated systems'2001 6,262,550'Electrical motor monitoring system and method'2001 6,148,267'Method and apparatus for transmission line phase angle comparisons'2000 6,141,196'Method and apparatus for compensation of phasor estimations'2000 5,958,060'Method and apparatus for clock control and synchronization'1999 5,809,045'Digital current differential system'1998 5,798,932'Methods and apparatus for removing error due to decaying offsets from measured power system currents'1998 5,786,708'Self-tuning and compensating turn fault detector'1998 5,729,113'Sensorless rotor velocity estimation for induction motors'1998 5,596,746'Method for transforming relational data base schemas into object models using ideal table meta models'1997 5,555,367'Method and system for generating computer programs for queries formed by manipulating object-oriented diagrams'1996 5,514,978'Stator turn fault detector for AC motor'1996 5,230,075'Database shadowing system with data tags that select an operation of the save command'1993 5,121,330'Method and system for product restructuring'1992 5,119,307'Method and system for automated bill-of-material generation'1992 4,872,126'Digital circuit design verification'1989 4,723,216'Digital frequency-locked loop for use with staggered sampling systems'1988 4,715,000'Digital phase-locked loop and frequency measuring device'1987 4,694,416'VLSI programmable digital signal processor'1987 4,674,062'Apparatus and method to increase dynamic range of digital measurements'1987 4,672,501'Circuit breaker and protective relay unit'1987 4,547,726'Means and method for measuring power system frequency'1985 4,547,826'Generalized real-time thermal model'1985 4,525,763'Apparatus and method to protect motors and to protect motor life'1985 4,432,031'Method for overcurrent protection'1984 4,398,255'Polyphase angle estimator'1983 4,329,727'Directional power distance relay'1982 4,300,181'Commutation circuit for an HVDC circuit breaker'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2021Patents assigned to GEN ELECTRIC (99)· patent assignee history

1981–2021Based in Scotia, NY, US· patent location history

2005Based in Latham, NY, US· patent location history

2011–2015Patents assigned to PREMERLANI WILLIAM JAMES (8)· patent assignee history

2011–2015Patents assigned to SUBRAMANIAN KANAKASABAPATHI (5)· patent assignee history

2012–2015Patents assigned to PARK JOHN NORTON (3)· patent assignee history

2013–2015Patents assigned to O'BRIEN KATHLEEN ANN (3)· patent assignee history

2017Based in Glenville, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	99	1981–2021
PREMERLANI WILLIAM JAMESself	8	2011–2015
SUBRAMANIAN KANAKASABAPATHI	5	2011–2015
O'BRIEN KATHLEEN ANN	3	2013–2015
PARK JOHN NORTON	3	2012–2015

Locations

Location	Patents	Span
Scotia, New York, US	97	1981–2021
Glenville, New York, US	1	2017
Latham, New York, US	1	2005