Inventor

John F. Flintoff

Inventor

Thousand Oaks, CA, US

Overview

1980–1994

Patent span

Performing operations

Primary field (CPC B)

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

B01Dprimary

B01DSeparation15%

C01BNon-metallic elements12%

B81BMicrostructural devices or systems, e.g. micromechanical devices8%

B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems8%

C23CCoating metallic material8%

G02BOptical elements, systems or apparatus8%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%

Y10TTechnical subjects covered by former us classification8%

B29CShaping or joining of plastics4%

B29DProducing particular articles from plastics or from substances in a plastic state4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to DAVY POWERGAS INC (3)· patent assignee history

1980Based in Middlesbrough, GB· patent location history

1983Patents assigned to DAVY MCKEE OIL & CHEM (1)· patent assignee history

1983–1994Based in Thousand Oaks, CA, US· patent location history

1993–1994Patents assigned to ROCKWELL INTERNATIONAL CORP (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAVY POWERGAS INC	3	1980
ROCKWELL INTERNATIONAL CORP	2	1993–1994
DAVY MCKEE OIL & CHEM	1	1983

Locations

Location	Patents	Span
Thousand Oaks, California, US	3	1983–1994
Middlesbrough, GB	3	1980