Inventor

Len J. Gawel

Inventor

Ponca City, OK, US

Overview

4→

Patents

1977–1991

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 4 as inventor

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

B63Bprimary

B63BShips or other waterborne vessels15%

E02BHydraulic engineering15%

Y02ATechnologies for adaptation to climate change15%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

B01LChemical or physical laboratory apparatus for general use8%

C12NMicroorganisms or enzymes8%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture8%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

PatentTitleYear

4,999,286'Sulfate reducing bacteria determination and control'1991 4,645,379'Pyramidal offshore structure'1987 4,437,794'Pyramidal offshore structure'1984 4,019,959'Bacterial production of lipase and pyocyanine from n-paraffins'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to CONTINENTAL OIL CO (1)· patent assignee history

1977–1991Based in Ponca City, OK, US· patent location history

1984–1987Patents assigned to CONOCO INC (2)· patent assignee history

1991Patents assigned to DU PONT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CONOCO INC	2	1984–1987
CONTINENTAL OIL CO	1	1977
DU PONT	1	1991

Locations

Location	Patents	Span
Ponca City, OK, US	4	1977–1991