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Inventor

Udo Fierus

Inventor
Leverkusen, DE

Overview

5→
Patents
1991–2009
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B24Dprimary
B24DTools for grinding, buffing or sharpening60%
LOC0720%
LOC2820%
PatentTitleYear
D0604909'Callus remover'20097,229,345'Knife sharpener'20076,454,642'Device for sharpening knives, scissors or other cutting tools'2002D0424886'Knife handle'20005,018,310'Knife sharpener'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to FIERUS GERD (1)· patent assignee history
1991Patents assigned to FIERUS UDO (1)· patent assignee history
1991–2009Based in Leverkusen, DE· patent location history
2000Patents assigned to WUESTHOF DREIZACKWERK E (1)· patent assignee history
2002–2007Patents assigned to FLUGEL CSS GMBH & CO KG (2)· patent assignee history
2009Patents assigned to PEINIGER GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FLUGEL CSS GMBH & CO KG22002–2007
FIERUS GERD11991
FIERUS UDOself11991
PEINIGER GMBH12009
WUESTHOF DREIZACKWERK E12000
Locations
LocationPatentsSpan
Leverkusen, DE51991–2009