Inventor

Mark A. Preston

Inventor
Niskayuna, NY, US

Overview

18→
Patents
1992–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 18 as inventor

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

F16Cprimary
F16CShafts24%
H02KDynamo-electric machines21%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters14%
Y10TTechnical subjects covered by former us classification14%
F16HGearing7%
G01BMeasuring length, thickness or similar linear dimensions7%
G01DMeasuring not specially adapted for a specific variable3%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
H01FMagnets3%
PatentTitleYear
6,351,680'Method for quality function deployment'20026,029,336'Method of fabricating a permanent magnet line start motor having magnets outside the starting cage'20006,012,217'Method of fabrication of motor coil stator including bobbin wound coils'20005,969,451'Current-controlled magnetic thrust compensators for mechanical thrust bearings'19995,864,217'Switched reluctance machine with toothed-wheel rotor sensor'19995,705,869'Magnetic axial thrust bearings fabricated on individual stator segments'19985,659,218'Motor stator including bobbin wound coils and method of fabrication'19975,578,880'Fault tolerant active magnetic bearing electric system'19965,548,172'Permanent magnet line start motor having magnets outside the starting cage'19965,525,886'Low speed position estimator for switched reluctance machine using flux/current model'19965,489,844'Noise-cancelling quadrature magnetic position, speed and direction sensor'19965,424,595'Integrated magnetic bearing/switched reluctance machine'19955,300,841'Inductive air gap estimation method for active magnetic bearings'19945,300,842'Flux/current air gap estimation method for active magnetic bearings'19945,300,843'Fault tolerant active magnetic bearing'19945,149,996'Magnetic gain adjustment for axially magnetized linear force motor with outwardly surfaced armature'19925,140,243'Discrete position estimator for a switched reluctance machine using a flux-current map comparator'19925,107,195'Rotor position estimator for a switched reluctance machine using a lumped parameter flux/current model'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2002Patents assigned to GEN ELECTRIC (17)· patent assignee history
1992Patents assigned to UNITED TECHNOLOGIES CORP (1)· patent assignee history
1992–2002Based in Niskayuna, NY, US· patent location history
1992Based in South Hadley, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC171992–2002
UNITED TECHNOLOGIES CORP11992
Locations
LocationPatentsSpan
Niskayuna, New York, US171992–2002
South Hadley, Massachusetts, US11992