Inventor
Jackson Wai
Inventor
Dunlap, IL, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters32%
Y02TClimate change mitigation technologies related to transportation13%
B60LPropulsion of electrically-propelled vehicles11%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
B60WConjoint control of vehicle sub-units of different type or different function6%
E02FDredging4%
F02BInternal-combustion piston engines4%
F02DControlling combustion engines4%
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%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,715,052Inverter topology202010,666,182System to control a rotary electric machine202010,476,421Optimized switched reluctance phase current control in a continuous conduction mode201910,193,475Sensorless control of switched reluctance machines for low speeds and standstill201910,097,117Adjustable pulse injection in electric machine control201810,079,566Pulse injection current pattern for rotor position estimation20189,941,831Switched reluctance motor power estimation compensation for variable DC-link voltage20189,899,946'Sensorless control of switched reluctance machines'20189,800,192'Flux estimator for switched reluctance machines'20179,738,163'Electric drive having an actively controlled DC bus'20179,702,938'Method and apparatus for detecting phase imbalance of an electrical component in a machine'20179,647,595'Current profile strategy for minimizing torque ripple and current'20179,391,555'System and method to control a switched reluctance machine in continuous conduction'20169,340,113'Switched reluctance generator integrated controls'20169,099,882'Turbine engine hybrid power supply'20159,099,954'Enforced zero voltage loop'20158,975,855'Compensating hysteresis bands to hold specified switching frequency'20158,975,878'Switched reluctance generator integrated controls'20158,970,291'Method of debouncing a variable frequency step signal'20158,901,869'Hybrid closed loop speed control using open look position for electrical machines controls'20148,901,760'Dual generator single DC link configuration for electric drive propulsion system'20148,866,433'Switched reluctance initial rotor position estimation'20148,773,056'FPDA closed loop electric drives controls'20148,746,382'Switched reluctance generator priming strategy'20148,624,543'Switching strategy for switched reluctance machine'20148,624,564'Switched reluctance generator initial rotor position estimation'20148,610,382'Active high voltage bus bleed down'20138,242,735'Method and system for temperature-based power converter control'20128,004,226'Method and system for detecting a failed current sensor in a three-phase machine'20117,679,311'System and method for dynamic field weakening'20107,511,449'Electric motor system implementing vector and slip control'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2020Patents assigned to CATERPILLAR INC (31)· patent assignee history
2009–2018Based in Peoria, IL, US· patent location history
2011–2020Based in Dunlap, IL, US· patent location history
2012–2015Patents assigned to WAI JACKSON (9)· patent assignee history
2013–2015Patents assigned to LE THUONG (3)· patent assignee history
2014–2015Patents assigned to GERDES JESSE (6)· patent assignee history
2014–2015Patents assigned to HARTMAN MARK (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR INC | 31 | 2009–2020 |
| WAI JACKSONself | 9 | 2012–2015 |
| GERDES JESSE | 6 | 2014–2015 |
| HARTMAN MARK | 4 | 2014–2015 |
| LE THUONG | 3 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dunlap, Illinois, US | 28 | 2011–2020 |
| Peoria, Illinois, US | 3 | 2009–2018 |