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Norman J. MacDonald, III Patents
Inventor:
MacDonald, III; Norman J.
Address:
Lunenberg, MA
No. of patents:
12
Patents:




Patent Number Title Of Patent Date Issued
7296634 Decorative support panel November 20, 2007
The invention features an apparatus and method for positioning and supporting a sprinkler head in a ceiling, floor, or wall. In one aspect of the invention, a sprinkler head may be received by a sleeve extending through a broad surface of the plate. The plate may be configured to be
7032680 Fire protection sprinkler head support April 25, 2006
A central hub includes a plate and a sleeve attached to the plate and adapted to receive a sprinkler head. The sleeve may be a telescoping sleeve. By providing a central hub with the plate and sleeve, the central hub provides increased stability and versatility to the sprinkler head.
6907938 Decorative support panel June 21, 2005
The invention features an apparatus and method for positioning and supporting a sprinkler head in a ceiling, floor, or wall. In one aspect of the invention, a sprinkler head may be received by a sleeve extending through a broad surface of the plate. The plate may be configured to be
6752218 Fire protection sprinkler head support June 22, 2004
A support system for use in fire-protection sprinkler systems and for positioning and supporting a fire-protection sprinkler head in a suspended ceiling including a T-bar grid for supporting panels. The support system includes a hub defining an annular opening configured to receive the
6691790 Fire-suppression sprinkler system and method for installation and retrofit February 17, 2004
A fire suppression sprinkler system (10), and method for installing a sprinkler system (10)in new and existing buildings. The system includes a manifold (12) that supplies fire-suppression fluid to a set of wall-mounted sprinkler heads (14) via flexible sprinkler head conduits (16) t
6488097 Fire protection sprinkler head support December 3, 2002
A central hub includes a plate and a sleeve attached to the plate and adapted to receive a sprinkler head. The sleeve may be a telescoping sleeve. By providing a central hub with the plate and sleeve, the central hub provides increased stability and versatility to the sprinkler head.
6123154 Support system attachment mechanism for fire protection sprinklers September 26, 2000
A system is provided for maintaining a sprinkler head in a position to allow continued operation during a fire in the event that the support structure for the sprinkler head fails or is otherwise removed. The support system includes a central hub adapted to receive a sprinkler head,
6119784 Support system for fire protection sprinklers September 19, 2000
A support system for positioning a sprinkler head relative to a support structure in a ceiling, floor, or wall includes a central hub adapted to receive the sprinkler head, a first leg attached to the central hub and having a first end configured to be attached to the support structure,
6076608 Fire-suppression sprinkler system and method for installation and retrofit June 20, 2000
A fire suppression sprinkler system and method for installing a sprinkler system in new and existing buildings. The system includes a manifold that supplies fire-suppression fluid to a set of wall-mounted sprinkler heads via flexible sprinkler head conduits through an unobstructed path.
5743337 Relocatable sprinkler assemblage April 28, 1998
A relocatable sprinkler assemblage includes a flexible conduit connecting to a source of fire-suppression fluid, a heat-sensitive sprinkler head, a rigid fitting connecting the conduit to the sprinkler head, and a removable cap that, together with the fitting, creates a watertight co
5649598 Corrosion sensing sprinkler shroud July 22, 1997
A shroud for use with a sprinkler assembly in a corrosive environment comprising a secondary bag surrounding the sprinkler head to protect it from the corrosive environment for a minimum period of time, a ribbon-shaped corrosion sensor located adjacent to the outer surface of the sec
5570745 Relocatable sprinkler assemblage November 5, 1996
A relocatable sprinkler assemblage can be safely relocated while pressurized and operational and does not effect the temperature sensitivity of the sprinkler head. The assemblage includes: (a) a rigid fitting communicating with a flexible sprinkler conduit, the fitting having a condu


 
 
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