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Inventor

Johan Grankvist

Inventor
Göteborg, SE

Overview

1→
Patents
2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines50%
F02DControlling combustion engines50%
PatentTitleYear
8,230,831'Exhaust valve mechanism for internal combustion engine'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to BONDESON HANS (1)· patent assignee history
2012Patents assigned to GRANKVIST JOHAN (1)· patent assignee history
2012Patents assigned to NOBELIUS ANDERS (1)· patent assignee history
2012Patents assigned to PERSSON PER (1)· patent assignee history
2012Patents assigned to Volvo Lastuaguar AB (1)· patent assignee history
2012Based in Göteborg, SE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BONDESON HANS12012
GRANKVIST JOHANself12012
NOBELIUS ANDERS12012
PERSSON PER12012
Volvo Lastuaguar AB12012
Locations
LocationPatentsSpan
Göteborg, SE12012