Inventor

Ulf Tolfsen

Inventor
Fredrikstad, NO

Overview

21→
Patents
1977–2010
Patent span
Human necessities
Primary field (CPC A)

Patents· 21 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification20%
A44BButtons, pins, buckles, slide fasteners, or the like17%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for11%
LOC1211%
B60NSeats specially adapted for vehicles6%
LOC066%
A42BHats3%
A42CManufacturing or trimming head coverings, e.g. hats3%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like3%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1988Patents assigned to LOYD S INDUSTRI AS (6)· patent assignee history
1977Based in Gralum, NO· patent location history
1980Based in 1713 Graalum, NO· patent location history
1985–2010Based in Fredrikstad, NO· patent location history
1996Patents assigned to AUTOLIV DEV (1)· patent assignee history
1996Based in Torsnes, NO· patent location history
2000Patents assigned to NORCOOL A S (2)· patent assignee history
2003Patents assigned to LABYRINT DEV AS (2)· patent assignee history
2005–2007Patents assigned to ACCESS AS (3)· patent assignee history
2006Based in Gamle Frederikstad, NO· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LOYD S INDUSTRI AS61977–1988
ACCESS AS32005–2007
LABYRINT DEV AS22003
NORCOOL A S22000
AUTOLIV DEV11996
Locations
LocationPatentsSpan
Fredrikstad, NO161985–2010
Gralum, NO21977
Gamle Frederikstad, NO12006
Torsnes, NO11996
1713 Graalum, NO11980