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Inventor

Christian Hassmann

Inventor
Mittelneufnach, DE

Overview

6→
Patents
1998–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification35%
B01DSeparation24%
D04HMaking textile fabrics, e.g. from fibres or filamentary material12%
E04GScaffolding12%
B23BTurning6%
B28BShaping clay or other ceramic compositions6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
PatentTitleYear
9,597,621'Multi-ply filter medium'20179,028,579'Filter medium'20158,147,584'Filter medium'20127,993,427'Filter medium'20116,450,476'Formwork for producing articles of concrete'20025,820,775'Textile sheet for use as a concrete mold liner'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to HOECHST TREVIRA GMBH & CO KG (1)· patent assignee history
1998Based in Waldems, DE· patent location history
2002Patents assigned to JOHNS MANVILLE INT INC (1)· patent assignee history
2002–2017Based in Mittelneufnach, DE· patent location history
2011–2017Patents assigned to JOHNS MANVILLE (4)· patent assignee history
2012Patents assigned to HASSMANN CHRISTIAN (1)· patent assignee history
2012Patents assigned to MEITINGER HANS-JURGEN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNS MANVILLE42011–2017
HASSMANN CHRISTIANself12012
HOECHST TREVIRA GMBH & CO KG11998
JOHNS MANVILLE INT INC12002
MEITINGER HANS-JURGEN12012
Locations
LocationPatentsSpan
Mittelneufnach, DE52002–2017
Waldems, DE11998