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Inventor

Richard P. Sernka

Inventor
Long Beach, CA, US

Overview

3→
Patents
1990–1993
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 energy43%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution43%
Y02PClimate change mitigation technologies in the production or processing of goods14%
PatentTitleYear
5,187,028'Nickel-hydrogen cells'19935,053,294'Planar sodium-sulfur electrical storage cell'19914,952,464'Sodium sulfur cell for weightless environments'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to HUGHES AIRCRAFT CO (3)· patent assignee history
1990–1993Based in Long Beach, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUGHES AIRCRAFT CO31990–1993
Locations
LocationPatentsSpan
Long Beach, California, US31990–1993