Inventor

Håkan Lindgren

Inventor
Gteborg, SE

Overview

11→
Patents
1981–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B22Dprimary
B22DCasting of metals29%
F16CShafts21%
B21BRolling of metal7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
C03BManufacture, shaping, or supplementary processes7%
C21DModifying the physical structure of ferrous metals7%
E04GScaffolding7%
F02GHot gas or combustion-product positive-displacement engine plants7%
Y10TTechnical subjects covered by former us classification7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1987Patents assigned to BULTEN KANTHAL AB (2)· patent assignee history
1981–1987Based in Hallstahammar, SE· patent location history
1989Patents assigned to KANTHAL AB (1)· patent assignee history
1998Based in Koping, SE· patent location history
2003–2018Patents assigned to SKF AB (7)· patent assignee history
2003Based in Gteborg, SE· patent location history
2016–2017Based in Shanghai, CN· patent location history
2018Based in Jingan District, Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SKF AB72003–2018
BULTEN KANTHAL AB21981–1987
KANTHAL AB11989
Locations
LocationPatentsSpan
Gteborg, SE42003
Shanghai, CN22016–2017
Hallstahammar, SE21981–1987
Jingan District, Shanghai, CN12018
Koping, SE11998