Inventor

Frank Ludewig

Inventor
Cologne, DE

Overview

2→
Patents
1987–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge20%
C07KPeptides20%
C12NMicroorganisms or enzymes20%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms20%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to VOEST ALPINE AG (1)· patent assignee history
1987Based in Leoben, AT· patent location history
2021Patents assigned to KWS SAAT SE & CO KGAA (1)· patent assignee history
2021Patents assigned to SUEDZUCKER AG (1)· patent assignee history
2021Based in Cologne, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KWS SAAT SE & CO KGAA12021
SUEDZUCKER AG12021
VOEST ALPINE AG11987
Locations
LocationPatentsSpan
Cologne, DE12021
Leoben, AT11987