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Inventor

John Petersen

Inventor
Cedar Falls, IA, US

Overview

3→
Patents
1988–2000
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A01Cprimary
A01CPlanting17%
A01GHorticulture17%
F01CRotary-piston or oscillating-piston machines or engines17%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,095,781'Timed element, high pressure, industrial rotary lobe pump'20004,766,065'Detection of cell membrane protein'19884,756,260'Sub-surface sludge injector apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to BECTON DICKINSON CO (1)· patent assignee history
1988Patents assigned to PETERSEN JOHN E (1)· patent assignee history
1988Based in Creve Coeur, MO, US· patent location history
1988Based in Lake Wales, FL, US· patent location history
2000Patents assigned to VIKING PUMP INC (1)· patent assignee history
2000Based in Cedar Falls, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BECTON DICKINSON CO11988
PETERSEN JOHN Eself11988
VIKING PUMP INC12000
Locations
LocationPatentsSpan
Cedar Falls, IA, US12000
Creve Coeur, MO, US11988
Lake Wales, Florida, US11988