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Inventor

Bernd Hengst

Inventor
Schweinfurt, DE

Overview

4→
Patents
1978–1982
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 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 sludge43%
A61LMethods or apparatus for sterilising materials or objects in general14%
B01DSeparation14%
C10MLubricating compositions14%
G05DSystems for controlling or regulating non-electric variables14%
PatentTitleYear
4,332,679'Device for indicating the degree of exhaustion of an adsorption filter'19824,119,520'Water supply system'19784,119,517'Apparatus for purifying water'19784,089,768'Battery operated water purification system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to SACHS SYSTEMTECHNIK GMBH (3)· patent assignee history
1978–1982Based in Schweinfurt, DE· patent location history
1982Patents assigned to FICHTEL & SACHS AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SACHS SYSTEMTECHNIK GMBH31978
FICHTEL & SACHS AG11982
Locations
LocationPatentsSpan
Schweinfurt, DE41978–1982