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Inventor

Kelvin Keen-Ven Fong

Inventor
Burnaby, CA

Overview

3→
Patents
2003–2011
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy38%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution38%
Y02PClimate change mitigation technologies in the production or processing of goods13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
7,964,315'Shutdown methods and designs for fuel cell stacks'20116,713,424'Method of making fluid diffusion layers and electrodes having reduced surface roughness'20046,667,127'Fluid diffusion layers for fuel cells'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to BALLARD POWER SYSTEMS (2)· patent assignee history
2003–2011Based in Burnaby, CA· patent location history
2011Patents assigned to BDF IP HOLDINGS LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BALLARD POWER SYSTEMS22003–2004
BDF IP HOLDINGS LTD12011
Locations
LocationPatentsSpan
Burnaby, CA32003–2011