Inventor

Michael Twerdochlib

Inventor

Oviedo, FL, US

Overview

1986–2015

Patent span

Physics

Primary field (CPC G)

Patents· 87 as inventor

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

G01Hprimary

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves19%

F01DNon-positive displacement machines or engines, e.g. steam turbines12%

G01BMeasuring length, thickness or similar linear dimensions7%

G01RMeasuring electric variables6%

G01MTesting static or dynamic balance of machines or structures5%

G01KMeasuring temperature5%

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants4%

H02KDynamo-electric machines4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

9,188,021'Steam turbine blade vibration monitor backpressure limiting system and method'2015 9,016,991'Bolt tightener device for tightening a through-bolt in a generator core'2015 9,014,460'Apparatus to measure blade vibration in a turbine engine based on series of images exposed by an imager in response to a sequence of illumination bursts'2015 8,820,167'Vibration sensor'2014 8,683,866'Method of matching sensors in a multi-probe turbine blade vibration monitor'2014 8,687,175'Fluid flow velocity and temperature measurement'2014 8,645,101'Method for monitoring the condition of a vibration sensor'2014 8,192,077'Method of measuring in situ differential emissivity and temperature'2012 8,151,647'Apparatus for monitoring blade vibration with an imaging fiber optic ribbon probe'2012 8,126,662'Method and apparatus for monitoring blade vibration with a fiber optic ribbon probe'2012 8,096,184'Turbine blade for monitoring blade vibration'2012 8,098,072'Partial discharge coupler for application on high voltage generator bus works'2012 8,076,909'Method and system for monitoring the condition of generator end windings'2011 8,008,925'Electrical partial discharge pulse marker discrimination'2011 7,987,725'Method of matching sensors in a multi-probe turbine blade vibration monitor'2011 7,866,213'Method of analyzing non-synchronous vibrations using a dispersed array multi-probe machine'2011 7,861,592'Blade shroud vibration monitor'2011 7,836,772'Method and apparatus for tracking a rotating blade tip for blade vibration monitor measurements'2010 7,775,114'Method of on-line turbine blade slope and sensor position verification'2010 7,654,145'Non-synchronous vibrational excitation of turbine blades using a rotating excitation structure'2010 7,632,012'Method of measuring in situ differential emissivity and temperature'2009 7,604,399'Temperature monitor for bus structure flex connector'2009 7,605,712'Power generator and power generator auxiliary monitoring'2009 7,533,572'High bandwidth fiber optic vibration sensor'2009 7,489,811'Method of visually inspecting turbine blades and optical inspection system therefor'2009 7,379,632'Fiber optic Bragg grating strain gauge for application on structures with compliant surface covering'2008 7,369,057'Power generator and power generator auxiliary monitoring'2008 7,341,428'Turbine blade for monitoring torsional blade vibration'2008 7,326,917'Wear monitor for turbo-machine'2008 7,259,552'Wear monitor for turbo-machine'2007 7,250,776'System for on-line assessment of the condition of a thermal coating on a turbine vane'2007 7,230,205'Compressor airfoil surface wetting and icing detection system'2007 7,123,031'System for on-line assessment of the condition of thermal coating on a turbine vane'2006 7,064,811'Imaging rotating turbine blades in a gas turbine engine'2006 6,998,618'Integral condition monitor for detecting overheating in an electric generator'2006 6,992,315'In situ combustion turbine engine airfoil inspection'2006 6,949,922'Turbine blade clearance on-line measurement system'2005 6,895,131'Hermetic seal for use in converting optical signals to electrical signals'2005 6,661,222'Turbine blade clearance on-line measurement system'2003 6,094,989'Method and apparatus for analyzing non-synchronous blade vibrations using unevenly spaced probes'2000 5,865,598'Hot spot detection system for vanes or blades of a combustion turbine'1999 5,761,956'Passive combustion turbine blade vibration monitor sensor'1998 5,479,826'Microwave system for monitoring turbine blade vibration'1996 5,469,745'System for determining FOVM sensor beat frequency'1995 5,416,430'Apparatus and method for identification and location of internal arcing in dynamoelectric machines'1995 5,233,499'Automatic shaft ground conditioner'1993 5,227,950'Shaft grounding brush and holder'1993 5,168,747'System and method for locating leaks in steam turbine systems'1992 5,152,309'Valve control apparatus'1992 5,148,711'Apparatus and method for removing common mode vibration data from digital turbine blade vibration data'1992 5,146,776'Method for continuously calibrating an optical vibration sensor'1992 5,134,378'System and method for detecting faults in generator bearing pedestals and seal insulation'1992 5,126,658'Generator rotor winding ground detection'1992 5,123,433'Ultrasonic flow nozzle cleaning apparatus'1992 5,123,679'Connection together of pipes by breakable welded joint'1992 5,087,909'Method and apparatus for radio frequency signal detection'1992 5,056,986'Inner cylinder axial positioning system'1991 5,033,305'Digital torsionmeter'1991 5,033,858'Detection of contaminants in a liquid stream'1991 5,032,826'Core monitor that uses rotor shaft voltages'1991 5,031,459'Turbine generator shaft torsion monitor'1991 4,987,555'Turbine blade shroud clearance monitor'1991 4,970,670'Temperature compensated eddy current sensor temperature measurement in turbine blade shroud monitor'1990 4,951,500'Method for determining the untwist of turbine blades'1990 4,922,233'Flow sensor and system incorporating the same for monitoring steam turbine drain valves'1990 4,901,061'Instrumentation and monitoring systems employing differential temperature sensors'1990 4,900,919'Wide bandwidth fiber optic accelerometer'1990 4,898,021'Quantitative air inleakage detection system and method for turbine-condenser systems'1990 4,875,373'Temperature compensated fiber optic vibration sensor'1989 4,870,859'Flowmeter controller for an air inleakage monitoring system'1989 4,859,076'Differential temperature sensors'1989 4,851,949'Brush bounce detection in active shaft ground system'1989 4,840,063'Fail safe valve for an air inleakage monitoring system in a steam turbine'1989 4,833,931'Thermally self-adjusting mount for proximity sensor'1989 4,833,916'Monitor for testing the operating condition of a nonreturn valve'1989 4,831,875'Water trap valve for fail safe operation of an air inleakage monitoring system in a steam turbine'1989 4,833,453'Monitoring of movable components'1989 4,827,487'Distributed temperature sensing system for stator windings'1989 4,817,417'Double eccentric mount'1989 4,790,194'Flow measurement device'1988 4,790,189'Method for eliminating sensor drift in a vibration monitoring system'1988 4,787,408'Fail safe valve for an air inleakage monitoring system in a steam turbine'1988 4,777,979'Position detector for clapper of non-return valve'1988 4,776,216'Programmable jet blade excitation system'1988 4,766,557'Apparatus for monitoring hydrogen gas leakage into the stator coil water cooling system of a hydrogen cooled electric generator'1988 4,676,665'Distributed temperature sensor apparatus'1987 4,628,196'Temperature measuring apparatus'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1998Patents assigned to WESTINGHOUSE ELECTRIC CORP (44)· patent assignee history

1986–2015Based in Oviedo, FL, US· patent location history

1992–2015Patents assigned to TWERDOCHLIB MICHAEL (14)· patent assignee history

1992Based in Ovideo, FL, US· patent location history

1999–2006Patents assigned to SIEMENS WESTINGHOUSE POWER (7)· patent assignee history

2006–2008Patents assigned to SIEMENS POWER GENERATION INC (9)· patent assignee history

2009–2015Patents assigned to SIEMENS ENERGY INC (25)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WESTINGHOUSE ELECTRIC CORP	44	1986–1998
SIEMENS ENERGY INC	25	2009–2015
TWERDOCHLIB MICHAELself	14	1992–2015
SIEMENS POWER GENERATION INC	9	2006–2008
SIEMENS WESTINGHOUSE POWER	7	1999–2006

Locations

Location	Patents	Span
Oviedo, Florida, US	86	1986–2015
Ovideo, Florida, US	1	1992