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Inventor

Willi Keim

Inventor
Aachen, DE

Overview

2→
Patents
1977–1981
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C10Lprimary
C10LFuels not otherwise provided for29%
Y10TTechnical subjects covered by former us classification29%
B01DSeparation14%
F02BInternal-combustion piston engines14%
F17DPipe-line systems14%
PatentTitleYear
4,243,493'Process for transportation and distillation of petroleum with methanol'19814,027,688'Transportation of fossil fuel materials'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to MANNESMANN ROEHREN WERKE AG (2)· patent assignee history
1977–1981Based in Aachen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MANNESMANN ROEHREN WERKE AG21977–1981
Locations
LocationPatentsSpan
Aachen, DE21977–1981