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Inventor

Helmut Etschel

Inventor
Hof, DE

Overview

5→
Patents
1991–2001
Patent span
LOC
Primary field

Patents· 5 as inventor

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

LOC23primary
LOC2360%
B01DSeparation20%
F04DNon-positive-displacement pumps20%
PatentTitleYear
6,309,181'Fluid flow machine wheel and uses thereof'2001D0436647'Propeller for agitating liquids'2001D0432621'Propeller for agitating liquids'2000D0431627'Propeller for agitating liquids'20005,059,313'Conveyor rake sieve with hook-like plates'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to E & M MASCHINENBAU (1)· patent assignee history
1991–2001Based in Hof, DE· patent location history
2000–2001Patents assigned to EMU UNTERWASSERPUMPEN GMBH (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EMU UNTERWASSERPUMPEN GMBH42000–2001
E & M MASCHINENBAU11991
Locations
LocationPatentsSpan
Hof, DE51991–2001