Assignee
BACK FLO ALARM VALVE CO INC
US·4 granted patents·182 citations·filing 1989–1993
Top patents by PatentIndex Score
4 records- 0191US4991655ACombined alarm and back-flow prevention arrangement for fire suppression sprinkler systemBACK FLO ALARM VALVE CO INC·Filed 1989·Granted Feb 12, 1991·76 cites·73 claims
- 0279US5297635ACombined alarm and back-flow prevention arrangement for fire suppression sprinkler systemBACK FLO ALARM VALVE CO INC·Filed 1991·Granted Mar 29, 1994·43 cites·19 claims
- 0365US5390744ACombined alarm and back-flow prevention arrangement for fire suppression sprinkler systemBACK FLO ALARM VALVE CO INC·Filed 1993·Granted Feb 21, 1995·32 cites·7 claims
- 0465US5154232ACombined alarm and back-flow prevention arrangement for fire suppression sprinkler systemBACK FLO ALARM VALVE CO INC·Filed 1991·Granted Oct 13, 1992·31 cites·29 claims
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