Assignee
PRESRAY CORP
US14 patents
Top patents by PatentIndex Score
US5283979AFeb 8, 1994
Locking/opening system for watertight hatch
PRESRAY CORP23 citations89
US7178810B1Feb 20, 2007
Mounting arrangement for inflatable seals
PRESRAY CORP52 citations88
US7523589B1Apr 28, 2009
Portable flood barrier panel
PRESRAY CORP52 citations87
US4441278AApr 10, 1984
Mounting for endless sealing strips
PRESRAY CORP39 citations86
US3984942AOct 12, 1976
Inflatable closure seal for sliding doors
PRESRAY CORP83 citations86
US4355000AOct 19, 1982
Lightweight, removable gate seal
PRESRAY CORP64 citations85
US4582451AApr 15, 1986
Floodgate panel and sealing means therefor
PRESRAY CORP47 citations81
US4518015AMay 21, 1985
Inflatable plug
PRESRAY CORP25 citations81
US8001735B2Aug 23, 2011
Flood barrier system
PRESRAY CORP17 citations79
US7552565B1Jun 30, 2009
Flood barrier system
PRESRAY CORP16 citations77
US4086806AMay 2, 1978
Seal and actuator for pipe testing
PRESRAY CORP23 citations76
US4932441AJun 12, 1990
Nozzle dam seal assembly for nuclear steam generator or the like
PRESRAY CORP16 citations66
US4920706AMay 1, 1990
Pneumatically inflatable roof seal
PRESRAY CORP4 citations61
US5251472AOct 12, 1993
High pressure pipe sleeve for pressure testing of joint seals
PRESRAY CORP6 citations51