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Inventor

Wilhelm Hannibal

Inventor
Neckarsulm, DE

Overview

8→
Patents
1989–2011
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 8 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines47%
Y10TTechnical subjects covered by former us classification20%
F01MLubricating of machines or engines in general7%
F02BInternal-combustion piston engines7%
F02FCylinders, pistons or casings, for combustion engines7%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
F16NLubricating7%
PatentTitleYear
7,895,981'Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine'20115,622,143'Multi-cylinder internal combustion engine'19975,495,831'Valve actuating mechanism for an internal combustion engine'19965,413,071'Valve actuating mechanism for an internal combustion engine'19955,404,845'Valve mechanism for an internal-combustion engine'19955,211,141'Drive arrangement for a camshaft fitted in the cylinder head of an internal combustion engine'19935,111,780'Drive arrangement for a camshaft in an internal combustion engine'19924,870,990'Double-flow butterfly valve part'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1997Patents assigned to AUDI AG (7)· patent assignee history
1989–1996Based in Neckarsulm, DE· patent location history
1997–2011Based in Hemer, DE· patent location history
2011Patents assigned to ENTEC CONSULTING GMBH (1)· patent assignee history
2011Patents assigned to HYDRAULIK RING GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AUDI AG71989–1997
ENTEC CONSULTING GMBH12011
HYDRAULIK RING GMBH12011
Locations
LocationPatentsSpan
Neckarsulm, DE61989–1996
Hemer, DE21997–2011