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Inventor

Dietmar Sonntag

Inventor
Remseck, DE

Overview

3→
Patents
1996–1997
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation23%
F01MLubricating of machines or engines in general23%
H02HEmergency protective circuit arrangements15%
H04NPictorial communication, e.g. television15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
F15BSystems acting by means of fluids in general8%
PatentTitleYear
5,698,097'Oil filter including replaceable primary and secondary flow filter elements'19975,589,060'Filter for liquids, in particular internal-combustion engine lubricant oils'19965,516,425'Oil filter for the cleaning of lubricating oil'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to KNECHT FILTERWERKE GMBH (2)· patent assignee history
1996Patents assigned to MAHLE GMBH (1)· patent assignee history
1996–1997Based in Remseck, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KNECHT FILTERWERKE GMBH21996–1997
MAHLE GMBH11996
Locations
LocationPatentsSpan
Remseck, DE31996–1997