| Patent Number |
Title Of Patent |
Date Issued |
| 6868917 |
Low pressure, early suppression fast response sprinklers |
March 22, 2005 |
| A low pressure, early suppression fast response sprinkler includes a generally tubular body having an inlet ends, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of wate |
| 6554077 |
Quick response adjustable automatic sprinkler arrangements |
April 29, 2003 |
| The sprinkler arrangements described in the specification include a sprinkler body with an axial passage and an axially movable assembly movable between a sealing position and an open position and including a Belleville washer engageable with a shoulder in the sprinkler body to seal |
| 6502643 |
Low pressure, early suppression fast response sprinklers |
January 7, 2003 |
| A low pressure, early suppression fast response sprinkler includes a generally tubular body having an inlet end, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of water |
| 6446732 |
VELO ECOH sprinkler arrangement |
September 10, 2002 |
| In the fire protection sprinkler arrangement described in the specification, a VELO ECOH has a sprinkler body with an axial passage for delivery of water and a deflector supported from the sprinkler body by a pair of frame arms. The deflector has a substantially planar central region |
| 6336509 |
Low pressure fast response bulb sprinklers |
January 8, 2002 |
| A low pressure fast response sprinkler includes a generally tubular body having an inlet end, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of water in gallons per min |
| 5829532 |
Low pressure, early suppression fast response sprinklers |
November 3, 1998 |
| A low pressure, fast response sprinkler of the early suppression type includes a generally tubular body having an inlet end, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals t |
| 5669449 |
Directional sprinklers |
September 23, 1997 |
| Directional sprinklers include a sprinkler body with a water directing structure configured to direct water passing from an outlet of the sprinkler body in one or more distinct and different directions. Water directing structures are disclosed in the form of deflectors having one or |
| 5664630 |
Extended coverage ceiling sprinklers and systems |
September 9, 1997 |
| Ceiling sprinklers and sprinkler systems provide extended areas of ordinary and light hazard coverage through a combination of orifices with K factors greater than 9 and deflectors which extend water distributions radially with acceptable uniform average and absolute distribution densiti |
| 5494113 |
Sprinklers with shape-memory alloy actuators |
February 27, 1996 |
| An automatic sprinkler includes a sprinkler body having a fluid passage outlet. A valve plug is maintained in sealing engagement with the fluid passage outlet by one or more control levers which react against the sprinkler body. Each control lever is held in position by a temperature |
