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Inventor

Walter Hell

Inventor
Kaltenleutgeben, AT

Overview

1→
Patents
1986
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 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 sludge50%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management50%
PatentTitleYear
4,629,565'Process for the biological treatment of sewage'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to WAAGNER BIRO AG (1)· patent assignee history
1986Based in Kaltenleutgeben, AT· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WAAGNER BIRO AG11986
Locations
LocationPatentsSpan
Kaltenleutgeben, AT11986