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Inventor

Frank-Klaus Marggraff

Inventor
Bad Homburg, DE

Overview

4→
Patents
1995–2010
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B01Dprimary
B01DSeparation67%
B29CShaping or joining of plastics17%
B29LIndexing scheme associated with subclass b29c, relating to particular articles17%
PatentTitleYear
7,655,141'Membrane pipe module'20107,517,421'Method for the continuous manufacture of tubular membranes'20096,790,350'Membrane module for the separation of fluid mixtures'20045,437,796'Plate module and its use for separting fluid mixtures'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2010Based in Bad Homburg, DE· patent location history
2004Patents assigned to STICHTING ENERGIE (1)· patent assignee history
2009Patents assigned to SULZER CHEMTECH GMBH (1)· patent assignee history
2010Patents assigned to SULZER CHEMTECH GMBH MEMBRANTE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STICHTING ENERGIE12004
SULZER CHEMTECH GMBH12009
SULZER CHEMTECH GMBH MEMBRANTE12010
Locations
LocationPatentsSpan
Bad Homburg, DE41995–2010