Assignee
FORNEY INTERNATIONAL
25 patents
Top patents by PatentIndex Score
US4347563AAug 31, 1982
Industrial control system
FORNEY INTERNATIONAL163 citations97
US4304001ADec 1, 1981
Industrial control system with interconnected remotely located computer control units
FORNEY INTERNATIONAL158 citations96
US4443861AApr 17, 1984
Combined mode supervisory program-panel controller method and apparatus for a process control system
FORNEY INTERNATIONAL82 citations95
US4413314ANov 1, 1983
Industrial process control system
FORNEY INTERNATIONAL221 citations94
US4035137AJul 12, 1977
Burner unit
FORNEY INTERNATIONAL62 citations94
US4396977AAug 2, 1983
Industrial process control system
FORNEY INTERNATIONAL100 citations93
US4596014AJun 17, 1986
I/O rack addressing error detection for process control
FORNEY INTERNATIONAL56 citations91
US4352103ASep 28, 1982
Industrial control system
FORNEY INTERNATIONAL39 citations91
US4253148AFeb 24, 1981
Distributed single board computer industrial control system
FORNEY INTERNATIONAL60 citations91
US5491792AFeb 13, 1996
Sequence of events system using a redundant analog I/O board system
FORNEY INTERNATIONAL71 citations90
US4052602AOct 4, 1977
Load and radius indicating system
FORNEY INTERNATIONAL35 citations89
US3975622AAug 17, 1976
Programmable logic controller system
FORNEY INTERNATIONAL39 citations89
US4878831ANov 7, 1989
Infrared flame detector adaptable for different fuels
FORNEY INTERNATIONAL24 citations86
US4365297ADec 21, 1982
Industrial control system with distributed computer implemented logic
FORNEY INTERNATIONAL33 citations86
US5299930AApr 5, 1994
Low nox burner
FORNEY INTERNATIONAL47 citations81
US4520390AMay 28, 1985
Burner monitoring system
FORNEY INTERNATIONAL21 citations80
US3981195ASep 21, 1976
Silo level measuring system
FORNEY INTERNATIONAL26 citations75
US3960320AJun 1, 1976
Combustion optimizer
FORNEY INTERNATIONAL26 citations75
US4037113AJul 19, 1977
Flame detector
FORNEY INTERNATIONAL14 citations74
US5223821AJun 29, 1993
Triac power switching and testing system
FORNEY INTERNATIONAL12 citations66
US5508910AApr 16, 1996
Redundant analog I/O board system
FORNEY INTERNATIONAL16 citations60
US5195885AMar 23, 1993
Self-proving burner igniter with stable pilot flame
FORNEY INTERNATIONAL18 citations60
US3999933ADec 28, 1976
Burner control system
FORNEY INTERNATIONAL19 citations60
US4022246AMay 10, 1977
Damper assembly for closing a duct for hot gases
FORNEY INTERNATIONAL6 citations46
US3934557AJan 27, 1976
Low fire light-off apparatus
FORNEY INTERNATIONAL1 citations42