Assignee
MARQUIP INC
US93 patents
Top patents by PatentIndex Score
US5967044AOct 19, 1999
Quick change ink supply for printer
MARQUIP INC55 citations96
US5076311ADec 31, 1991
Directly installed shut-off valve assembly for flowing high pressure line
MARQUIP INC59 citations96
US6170549B1Jan 9, 2001
Single facer with resilient small diameter corrugating roll
MARQUIP INC17 citations93
US6006806ADec 28, 1999
Laminated corrugating roll
MARQUIP INC22 citations93
US5899264AMay 4, 1999
Steam supply and condensate removal apparatus for heated roll
MARQUIP INC33 citations93
US5732609AMar 31, 1998
Sheet saving diverter for corrugator
MARQUIP INC41 citations93
US5681422AOct 28, 1997
Pressure roll for a single facer
MARQUIP INC26 citations93
US5632830AMay 27, 1997
Adjustable ballast system for a double facer
MARQUIP INC21 citations93
US5628865AMay 13, 1997
Single facer with small intermediate corrugating roll
MARQUIP INC30 citations93
US5600900AFeb 11, 1997
Vacuum assisted web drying system
MARQUIP INC19 citations93
US5561918AOct 8, 1996
Web holdown and drive for corrugator double backer
MARQUIP INC35 citations93
US5466329ANov 14, 1995
Adjustable ballast system for the holddown belt in a double facer
MARQUIP INC33 citations93
US5197366AMar 30, 1993
Roller assembly for paperboard slitting apparatus
MARQUIP INC60 citations93
US5161617ANov 10, 1992
Directly installed shut-off and diverter valve assembly for flowing oil well with concentric casings
MARQUIP INC31 citations93
US4985012AJan 15, 1991
Apparatus for stripping scrap from die cut blanks
MARQUIP INC24 citations93
US4219378AAug 26, 1980
Web splicing
MARQUIP INC30 citations93
US4200276AApr 29, 1980
Shingling and stacking of conveyed sheet material
MARQUIP INC38 citations93
US4190475AFeb 26, 1980
Paper roll web splicing
MARQUIP INC51 citations93
US4170506AOct 9, 1979
Method of web splicing
MARQUIP INC41 citations93
US6117381ASep 12, 2000
Method and apparatus for providing a gapless order change in a corrugator
MARQUIP INC22 citations92
US6032558AMar 7, 2000
Rotary knife with active vibration control
MARQUIP INC22 citations92
US5628868AMay 13, 1997
Apparatus and method for applying a viscous liquid to a material surface
MARQUIP INC24 citations92
US5165314ANov 24, 1992
Slitting shingled sheets
MARQUIP INC53 citations92
US5090281AFeb 25, 1992
Slitting apparatus for corrugated paperboard and the like
MARQUIP INC91 citations92
US4548112AOct 22, 1985
Web cutting
MARQUIP INC32 citations92
US5844807ADec 1, 1998
Automated system and method for optimizing and palletizing articles
MARQUIP INC89 citations91
US5690601ANov 25, 1997
Method and apparatus for slitting and scoring corrugated paperboard sheets for folding
MARQUIP INC79 citations91
US5613673AMar 25, 1997
Sheet stacking apparatus
MARQUIP INC31 citations91
US5501762AMar 26, 1996
Hot plate for corrugated paperboard double facer
MARQUIP INC24 citations91
US5406869AApr 18, 1995
Air bearing support assembly for paper slitting apparatus
MARQUIP INC22 citations91
US4809573AMar 7, 1989
Adaptive torque control of cutoff knife pull roll
MARQUIP INC37 citations91
US5857605AJan 12, 1999
Vacuum assisted web drive for corrugator double backer
MARQUIP INC23 citations90
US5706994AJan 13, 1998
Vacuum assisted web drive for corrugator double backer
MARQUIP INC21 citations90
US5540545AJul 30, 1996
Palletizing system
MARQUIP INC43 citations90
US5660095AAug 26, 1997
Apparatus for slitting corrugated paperboard boxes
MARQUIP INC30 citations89
US5375492ADec 27, 1994
Apparatus and method for slitting corrugated paperboard boxes
MARQUIP INC35 citations88
US4627214ADec 9, 1986
Slitting-scoring machine
MARQUIP INC47 citations88
US6022017AFeb 8, 2000
Method for handling a small gap order change in a corrugator
MARQUIP INC21 citations86
US6018870AFeb 1, 2000
Sectional construction for axially long roll
MARQUIP INC30 citations86
US5483856AJan 16, 1996
Apparatus and method for slitting corrugated paperboard boxes
MARQUIP INC33 citations86
US4989397AFeb 5, 1991
In-line package strapping system
MARQUIP INC34 citations86
US5626335AMay 6, 1997
Vertical lift system for delivering sheets in stacks
MARQUIP INC20 citations85
US5437749AAug 1, 1995
Splice synchronization system
MARQUIP INC37 citations84
US5992844ANov 30, 1999
Sheet deceleration device using pultruded bristle brushes
MARQUIP INC21 citations83
US4834696AMay 30, 1989
Folding of paperboard sheets and the like
MARQUIP INC20 citations82
US4119219AOct 10, 1978
Batch feeder
MARQUIP INC24 citations82
US6032725AMar 7, 2000
Rotary steam joint and valve assembly
MARQUIP INC22 citations80
US4273325AJun 16, 1981
Shingled sheet alignment
MARQUIP INC28 citations79
US6149751ANov 21, 2000
Low pressure single facer
MARQUIP INC10 citations74
US6048429AApr 11, 2000
Production of double wall corrugated web
MARQUIP INC7 citations74
Showing the top 50 of 93 patents by PatentIndex Score.