LexDanaLexDanabeta
Inventor

Alexander C. Crosman, III

Inventor
Dunlap, IL, US

Overview

13→
Patents
1992–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 as inventor

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

B60Lprimary
B60LPropulsion of electrically-propelled vehicles32%
Y02TClimate change mitigation technologies related to transportation24%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters16%
E02FDredging8%
B60TVehicle brake control systems or parts thereof4%
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for4%
G01RMeasuring electric variables4%
H02HEmergency protective circuit arrangements4%
H02JElectric power networks4%
PatentTitleYear
9,941,831Switched reluctance motor power estimation compensation for variable DC-link voltage20189,676,280'Braking management in a dual braking system'20179,625,512'Detecting ground fault location'20179,481,252'Regenerative braking system for reducing fuel consumption'20169,344,028'Traction motor retarding flux reference'20168,928,260'Traction motor retarding flux reference'20158,639,402'System and method for controlling wheel motor torque in an electric drive system'20148,635,000'Brake monitoring system'20148,527,125'System and method for controlling traction'20137,693,622'Method and apparatus for selecting and providing a set of instrumentation signals for locomotive testing and diagnostic purposes'20105,834,858'Emergency power supply'19985,358,072'Wheel flange lubrication with enclosed strand drive'19945,127,085'Ride-through protection circuit for a voltage source inverter traction motor drive'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to GEN MOTORS CORP (2)· patent assignee history
1992–2010Based in Downers Grove, IL, US· patent location history
2010Patents assigned to ELECTRO MOTIVE DIESEL INC (1)· patent assignee history
2013–2018Patents assigned to CATERPILLAR INC (9)· patent assignee history
2013–2014Patents assigned to CROSMAN ALEXANDER C (2)· patent assignee history
2013–2014Patents assigned to TATE WILLIAM J (2)· patent assignee history
2013–2018Based in Dunlap, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CATERPILLAR INC92013–2018
CROSMAN ALEXANDER Cself22013–2014
GEN MOTORS CORP21992–1994
TATE WILLIAM J22013–2014
ELECTRO MOTIVE DIESEL INC12010
Locations
LocationPatentsSpan
Dunlap, Illinois, US92013–2018
Downers Grove, Illinois, US41992–2010