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Inventor

Werner Kleinhans

Inventor
Unna, DE

Overview

2→
Patents
1997–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C04Bprimary
C04BLime, magnesia20%
C23CCoating metallic material20%
E03CDomestic plumbing installations for fresh water or waste water20%
F16KValves20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,888,638'Sealing element, particularly for shut-off and regulating valves, and process for its production'19995,618,023'Plumbing fixture with line-powered control unit'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Patents assigned to GROHE ARMATUREN FRIEDRICH (2)· patent assignee history
1997–1999Based in Unna, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GROHE ARMATUREN FRIEDRICH21997–1999
Locations
LocationPatentsSpan
Unna, DE21997–1999