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Inventor

Ralph V. Wilhelm, Jr.

Inventor
Flint, MI, US

Overview

4→
Patents
1981–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels19%
C23CCoating metallic material19%
G01NInvestigating or analysing materials by determining their chemical or physical properties19%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy19%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution19%
G10LSpeech analysis techniques or speech synthesis6%
PatentTitleYear
7,945,445'Hybrid lexicon for speech recognition'20114,303,490'Exhaust electrode process for exhaust gas oxygen sensor'19814,253,931'Electrode sputtering process for exhaust gas oxygen sensor'19814,244,798'Exhaust electrode process for exhaust gas oxygen sensor'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to GEN MOTORS CORP (3)· patent assignee history
1981Based in Flint, MI, US· patent location history
2011Patents assigned to SVOX AG (1)· patent assignee history
2011Based in Munich, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN MOTORS CORP31981
SVOX AG12011
Locations
LocationPatentsSpan
Flint, MI, US31981
Munich, DE12011