Assignee
NORTHERN ENG IND
GB37 patents
Top patents by PatentIndex Score
US4511807AApr 16, 1985
Electrical generator control system
NORTHERN ENG IND90 citations93
US4894573AJan 16, 1990
Rotary electrical machines
NORTHERN ENG IND29 citations92
US4583413AApr 22, 1986
Toothed gear system
NORTHERN ENG IND79 citations91
US5087230AFeb 11, 1992
Drive transmissions
NORTHERN ENG IND23 citations88
US5193049AMar 9, 1993
Enclosures for electrical switchgear
NORTHERN ENG IND48 citations87
US4930430AJun 5, 1990
Burners
NORTHERN ENG IND43 citations86
US4320568AMar 23, 1982
Method of expanding tubular members
NORTHERN ENG IND49 citations83
US4272706AJun 9, 1981
Mooring winch system
NORTHERN ENG IND27 citations79
US4577128AMar 18, 1986
Induction motors
NORTHERN ENG IND24 citations78
US4298696ANov 3, 1981
Regeneration of ion exchange materials
NORTHERN ENG IND19 citations78
US4431886AFeb 14, 1984
Circuit-breaker
NORTHERN ENG IND10 citations72
US4980528ADec 25, 1990
Arc interrupter
NORTHERN ENG IND14 citations70
US4752659AJun 21, 1988
Arc interrupter
NORTHERN ENG IND11 citations70
US5083989AJan 28, 1992
Drive transmissions
NORTHERN ENG IND17 citations69
US4457841AJul 3, 1984
Regeneration of ion exchange materials
NORTHERN ENG IND7 citations69
US4383046AMay 10, 1983
Regeneration of ion exchange materials
NORTHERN ENG IND9 citations69
US5191991AMar 9, 1993
Housings with safety pressure relief means thereon
NORTHERN ENG IND19 citations68
US4764123AAug 16, 1988
Electrical connectors
NORTHERN ENG IND9 citations66
US4516728AMay 14, 1985
Liquid fuel atomizer
NORTHERN ENG IND12 citations66
US4425087AJan 10, 1984
Pressure equalizing device and deep well motor/pump combination
NORTHERN ENG IND14 citations66
US4347414AAug 31, 1982
Arc shorting device
NORTHERN ENG IND16 citations64
US5117991AJun 2, 1992
Winch system
NORTHERN ENG IND2 citations63
US4434723AMar 6, 1984
Fluidized-bed combustion apparatus
NORTHERN ENG IND9 citations63
US4776950AOct 11, 1988
Classifier
NORTHERN ENG IND7 citations61
US4503302AMar 5, 1985
Arc interrupter
NORTHERN ENG IND15 citations60
US4343170AAug 10, 1982
Apparatus for expanding tubular members
NORTHERN ENG IND6 citations60
US4790480ADec 13, 1988
Liquid fuel atomiser
NORTHERN ENG IND12 citations59
US4748302AMay 31, 1988
Arc interrupter
NORTHERN ENG IND4 citations59
US4743719AMay 10, 1988
Arc interrupter
NORTHERN ENG IND6 citations59
US5424024AJun 13, 1995
Apparatus for and method of preparing a hardenable substance for storage
NORTHERN ENG IND3 citations58
US5391301AFeb 21, 1995
Method of regenerating resin beads for use in water purification
NORTHERN ENG IND7 citations58
US4442229AApr 10, 1984
Regeneration of ion exchange materials
NORTHERN ENG IND6 citations58
US4407634AOct 4, 1983
Axial-flow steam turbine wheel
NORTHERN ENG IND9 citations58
US4998508AMar 12, 1991
Condensing type boilers
NORTHERN ENG IND6 citations54
US4421063ADec 20, 1983
Fluidized bed combustion apparatus
NORTHERN ENG IND1 citations33
US4480241AOct 30, 1984
Discriminator device
NORTHERN ENG IND0 citations32
US4466291AAug 21, 1984
Extensometer
NORTHERN ENG IND0 citations21