Inventor

Lutz Langenhahn

Inventor

Ettlingen, DE

Overview

5→

Patents

1987–1990

Patent span

Performing operations

Primary field (CPC B)

Patents· 5 as inventor

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

B65Bprimary

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials38%

B67CCleaning, filling with liquids or semiliquids, or emptying, of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for15%

B29BPreparation or pretreatment of the material to be shaped8%

B29CShaping or joining of plastics8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

F04BPositive-displacement machines for liquids8%

G01FMeasuring volume, volume flow, mass flow or liquid level8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

4,957,581'Method and apparatus for centering tubes'1990 4,915,208'Container-receiver magazine with two work stations'1990 4,830,068'Device for the simultaneous quantitative regulated filling of liquid or soft plasticized substances, such as butter, margarine, pastes or the like by means of nozzles into adjacently arranged containers'1989 4,750,531'Method and apparatus for replacing cellular panels used in container filling machines'1988 4,667,709'Arrangement for dosingly filling of fluent filling material into containers'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Patents assigned to BENZ & HILGERS GMBH (4)· patent assignee history

1987–1988Based in Duesseldorf, DE· patent location history

1989–1990Based in Ettlingen, DE· patent location history

1990Patents assigned to IWK VERPACKUNGSTECHNIK GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BENZ & HILGERS GMBH	4	1987–1990
IWK VERPACKUNGSTECHNIK GMBH	1	1990

Locations

Location	Patents	Span
Ettlingen, DE	3	1989–1990
Duesseldorf, DE	2	1987–1988