LexDanaLexDanabeta
Inventor

Liuchen Chang

Inventor
Fredericton, CA

Overview

2→
Patents
2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
F03BMachines or engines for liquids17%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g17%
H02JElectric power networks17%
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 systems17%
PatentTitleYear
11,012,002Single-phase voltage source inverter circuit with power decoupling, and control methods202111,002,242Axial-flow turbine for low-head installations2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to BARBOSA WAGNER A (1)· patent assignee history
2021Patents assigned to CHANG LIUCHEN (1)· patent assignee history
2021Patents assigned to FIHO G LUCIO TIAGO (1)· patent assignee history
2021Patents assigned to MARTIN JOE (1)· patent assignee history
2021Patents assigned to SWIDERSKI JACEK (1)· patent assignee history
2021Based in Fredericton, CA· patent location history
2021Based in New Brunswick, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BARBOSA WAGNER A12021
CHANG LIUCHENself12021
FIHO G LUCIO TIAGO12021
MARTIN JOE12021
SWIDERSKI JACEK12021
Locations
LocationPatentsSpan
Fredericton, CA12021
New Brunswick, CA12021