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Inventor

Siegfried Leverberg

Inventor
Oberhausen, DE

Overview

3→
Patents
1981–1987
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.

F16Lprimary
F16LPipes43%
Y10TTechnical subjects covered by former us classification29%
G01KMeasuring temperature14%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure14%
PatentTitleYear
4,638,668'Measurement coupling for fluidic systems'19874,367,888'Plug coupler for several hose connections'19834,253,488'Retainer for threaded coupling elements'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1987Patents assigned to HYDROTECHNIK GMBH (2)· patent assignee history
1981–1987Based in Oberhausen, DE· patent location history
1983Patents assigned to HOFFMANN HELMUTH (1)· patent assignee history
1983Patents assigned to HOFMANN MANFRED (1)· patent assignee history
1983Patents assigned to LEVERBERG SIEGFRIED (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HYDROTECHNIK GMBH21981–1987
HOFFMANN HELMUTH11983
HOFMANN MANFRED11983
LEVERBERG SIEGFRIEDself11983
Locations
LocationPatentsSpan
Oberhausen, DE31981–1987