LexDanaLexDanabeta
Inventor

Heinz Hirsch

Inventor
Soest, DE

Overview

5→
Patents
1991–1998
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F16Kprimary
F16KValves57%
Y10TTechnical subjects covered by former us classification29%
E03CDomestic plumbing installations for fresh water or waste water14%
PatentTitleYear
5,829,072'Automatic shower control'19985,522,429'Stroke limiter for single-lever mixing valve'19965,143,349'Valve with flow shield'19925,044,605'Flow-control and shutoff valve'19915,014,736'Shut-off and control valve'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1998Patents assigned to GROHE ARMATUREN FRIEDRICH (5)· patent assignee history
1991–1998Based in Soest, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GROHE ARMATUREN FRIEDRICH51991–1998
Locations
LocationPatentsSpan
Soest, DE51991–1998