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Inventor

Helmut Rossel

Inventor
Neuss, DE

Overview

2→
Patents
1977–1998
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F01Cprimary
F01CRotary-piston or oscillating-piston machines or engines33%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof33%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids33%
PatentTitleYear
5,779,463'Rotary piston pump having a slide valve driven by a rotor'19984,009,700'Control arrangement for the reconveyance of exhaust gases'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to PIERBURG AUTOGERAETEBAU KG (1)· patent assignee history
1977–1998Based in Neuss, DE· patent location history
1998Patents assigned to PIERBURG AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIERBURG AG11998
PIERBURG AUTOGERAETEBAU KG11977
Locations
LocationPatentsSpan
Neuss, DE21977–1998