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Inventor

John Petreanu

Inventor
Gahanna, OH, US

Overview

2→
Patents
1994–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B29Cprimary
B29CShaping or joining of plastics14%
C03CChemical composition of glasses, glazes or vitreous enamels14%
C04BLime, magnesia14%
C23CCoating metallic material14%
C25DProcesses for the electrolytic or electrophoretic production of coatings14%
F16CShafts14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
8,105,692'Process equipment wear surfaces of extended resistance and methods for their manufacture'20125,292,375'Removal of lead based coating by vitrification'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Based in Oak Forest, IL, US· patent location history
2012Patents assigned to DAVIDSON MARC GARY (1)· patent assignee history
2012Patents assigned to DIAMOND INNOVATIONS INC (1)· patent assignee history
2012Patents assigned to DUMM TIMOTHY (1)· patent assignee history
2012Patents assigned to HOFER BRUCE WAYNE (1)· patent assignee history
2012Patents assigned to LUCEK JOHN WILLIAM (1)· patent assignee history
2012Based in Gahanna, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAVIDSON MARC GARY12012
DIAMOND INNOVATIONS INC12012
DUMM TIMOTHY12012
HOFER BRUCE WAYNE12012
LUCEK JOHN WILLIAM12012
Locations
LocationPatentsSpan
Gahanna, OH, US12012
Oak Forest, Illinois, US11994