| Patent Number |
Title Of Patent |
Date Issued |
| 6450265 |
Large orifice ESFR sprinkler arrangement |
September 17, 2002 |
| A large orifice ESFR sprinkler arrangement has a sprinkler body with a frame supporting a deflector in spaced relation to an orifice in the sprinkler body. The orifice is selected to provide a K factor of at least 16, preferably 19 to 25, and desirably 22. The deflector has a planar |
| 6082463 |
Concealed extended coverage quick response sprinkler |
July 4, 2000 |
| A concealed extended coverage quick response sprinkler has a sprinkler body with an axial passage for water, a cap normally closing the axial passage, and a thermally responsive structure supported from a pair of frame arms retaining the cap in position. A deflector slidably supported fr |
| 5915479 |
Velo sprinkler arrangement for protecting special occupancy hazards |
June 29, 1999 |
| In the typical sprinkler arrangements described in the specification, effective protection for certain special occupancy hazards is achieved with a low pressure water supply using VELO sprinklers having a K factor of at least 14 arranged in arrays in which the sprinklers are spaced by |
| 5893418 |
Sprinkle guard |
April 13, 1999 |
| In the particular embodiments described in the specification, a sprinkler guard is formed from eight U-shaped wire members arranged uniformly about a sprinkler axis and joined at one end to a ring and at the other end to two opposed base plates which each receive four of the U-shaped mem |
| 5890657 |
Sprinkler arrangement |
April 6, 1999 |
| In the representative embodiments described in the specification, a pendent sprinkler has a sprinkler body with an axial passage for fire extinguishing liquid and a pair of frame arms supporting a deflector at a location spaced from the end of the axial passage. In order to provide h |
