Assignee
JAMESBURY CORP
US16 patents
Top patents by PatentIndex Score
US4881718ANov 21, 1989
Ball control valve
JAMESBURY CORP127 citations94
US4390039AJun 28, 1983
Valve assembly and disassembly device
JAMESBURY CORP45 citations90
US4388945AJun 21, 1983
Valve assembly and disassembly device
JAMESBURY CORP31 citations90
US4817916AApr 4, 1989
Butterfly valve
JAMESBURY CORP58 citations88
US4228816AOct 21, 1980
Fire safe butterfly valve
JAMESBURY CORP20 citations82
US4236691ADec 2, 1980
Ball valve to relieve cavity pressure
JAMESBURY CORP29 citations80
US4162690AJul 31, 1979
Valve locking device
JAMESBURY CORP31 citations80
US4202365AMay 13, 1980
Fire tested butterfly valve
JAMESBURY CORP21 citations79
US4114856ASep 19, 1978
Valve seat insert
JAMESBURY CORP23 citations77
US4331319AMay 25, 1982
Butterfly valve
JAMESBURY CORP20 citations69
US4623121ANov 18, 1986
Butterfly valve seat
JAMESBURY CORP19 citations68
US4575048AMar 11, 1986
Insert retainer for a wafer style butterfly valve
JAMESBURY CORP13 citations67
US4016907AApr 12, 1977
Tank bottom internal valve housing
JAMESBURY CORP8 citations66
US4645180AFeb 24, 1987
Wire form type insert retainer for a wafer style butterfly valve
JAMESBURY CORP10 citations64
US4230025AOct 28, 1980
Pneumatic actuator
JAMESBURY CORP10 citations59
US3939864AFeb 24, 1976
Valve lock
JAMESBURY CORP6 citations57