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Inventor

Erich Wittmann

Inventor
Draveil, FR

Overview

2→
Patents
1984–2015
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation20%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling20%
C02FTreatment of water, waste water, sewage, or sludge20%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
9,206,059'Packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes'20154,429,443'Machine tool'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2015Patents assigned to WITTMANN ERICH (2)· patent assignee history
1984Patents assigned to KELLER WOLFGANG (1)· patent assignee history
1984Patents assigned to KOELBLIN ROLF (1)· patent assignee history
1984Based in Heilbronn, DE· patent location history
2015Patents assigned to BROUWER HARRY (1)· patent assignee history
2015Patents assigned to VEOLIA WATER SOLUTIONS & TECH (1)· patent assignee history
2015Based in Draveil, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WITTMANN ERICHself21984–2015
BROUWER HARRY12015
KELLER WOLFGANG11984
KOELBLIN ROLF11984
VEOLIA WATER SOLUTIONS & TECH12015
Locations
LocationPatentsSpan
Draveil, FR12015
Heilbronn, DE11984