Inventor

Arno Frei

Inventor

Seuzach, CH

Overview

3→

Patents

1980–1993

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 3 as inventor

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

B21Dprimary

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%

B60GVehicle suspension arrangements13%

F04DNon-positive-displacement pumps13%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g13%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application13%

Y02TClimate change mitigation technologies related to transportation13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Y10TTechnical subjects covered by former us classification13%

PatentTitleYear

5,228,836'Runner for a pump'1993 4,262,515'Method and apparatus for bending a tube'1981 4,190,104'Heat exchanger having helically wound tube coils'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1993Patents assigned to SULZER AG (3)· patent assignee history

1980–1993Based in Seuzach, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SULZER AG	3	1980–1993

Locations

Location	Patents	Span
Seuzach, CH	3	1980–1993