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| Number | Title | Issue Date |
| 7597113 | Adaptable water connection for fire fighting equipment and connection device Improvements in present day fire hydrants are presented. The improvement relates to a fire hydrant where the above ground structure is essentially removed and is replaced with an adaptable connection. The connection uses the same mounting hole pattern as used in the... | 10/06/2009 |
| 7509970 | Adaptable water connection for fire fighting equipment and connection device Improvements in present day fire hydrants are presented. The improvement relates to a fire hydrant where the above ground structure is essentially removed and is replaced with an adaptable connection. The connection uses the same mounting hole pattern as used in the... | 03/31/2009 |
| 7228868 | Fire hydrant system The present invention relates to a hydrant system that is projected over the ground while being buried in the underground. The hydrant system comprises a sluice valve connected to a water-guide tube within a manhole M, the sluice valve having a first openings/shutti... | 06/12/2007 |
