Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Design Patent
2000-06-19
2002-07-16
Holtje, Nelson C. (Department: 2913)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Design Patent
active
D0460527
CLAIM:
The ornamental design for a rotatable valve member for ball valves, as shown.
REFERENCES:
patent: 3429339 (1969-02-01), Tiechmann
patent: 4352369 (1982-10-01), Lorch
patent: 4429717 (1984-02-01), Montgomery
patent: 4982760 (1991-01-01), Mustaklem
patent: 5040566 (1991-08-01), Orlandi
patent: 5690135 (1997-11-01), Dehais
patent: 6253791 (2001-07-01), Miklo
Hydraulic Engineering S.A. Luxembourg
Young & Thompson
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