1
Cesare Gallone: Diaphragm pressure switch for controlling small pressure gradients. Signal Lux S p A, Darby & Darby, July 30, 1985: US04532390 (4 worldwide citation)

A pressure switch for detecting and controlling small pressure gradients in fluid circulation systems includes a containing body having first and second channels formed therein, and an elastically deformable diaphragm. The diaphragm is supported at its edges by the body and separates the first and s ...


2
Flavio Gallone: Device exerting a protective action against fluid seepages in electrical switches and the like. Signal Lux S p A, Laff Whitesel Conte & Saret, March 3, 1998: US05722533 (3 worldwide citation)

A device exerting a protective action against fluid seepages in electrical switches and the like comprises an annular seal (9a, 9b, 9c, 9d) perimetrically integral with an external box-shaped body (5) of a switch and operating on a border (4a) of a shaped opening (3) formed on the front in a support ...


3
Flavio Gallone: Electric low-voltage connecting terminal, in particular for luminous signallers. Signal Lux S p A, Laff Whitesel Conte & Saret, May 12, 1998: US05749749

An electric low-voltage connecting terminal (1) is provided, in particular for luminous signallers, which comprises a socket connector (2) having a tubular coupling portion (2a), a plug connector (3) having a reed-like coupling portion (3a) to be fitted into the tubular coupling portion (2a) for est ...