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Inventor

Josef Lehmann

Inventor
Waldshut-Tiengen, DE

Overview

3→
Patents
1999–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Bprimary
H04BTransmission40%
F17DPipe-line systems20%
G08CTransmission systems for measured values, control or similar signals20%
H04LTransmission of digital information, e.g. telegraphic communication20%
PatentTitleYear
6,492,898'Data transmission system for pipelines'20026,255,935'Coupling capacitor having an integrated connecting cable'20016,005,477'Method and apparatus for information transmission via power supply lines'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2002Patents assigned to ABB RESEARCH LTD (3)· patent assignee history
1999–2002Based in Waldshut-Tiengen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ABB RESEARCH LTD31999–2002
Locations
LocationPatentsSpan
Waldshut-Tiengen, DE31999–2002