Assignee
DOUGLAS MACHINE LLC
US12 patents
Top patents by PatentIndex Score
US5352178AOct 4, 1994
Collapsed, tubular carton erecting apparatus
DOUGLAS MACHINE LLC64 citations95
US5558614ASep 24, 1996
Tubular carton opening, presenting, and closing apparatus
DOUGLAS MACHINE LLC23 citations92
US5628614AMay 13, 1997
Continuous motion stacking apparatus and methods
DOUGLAS MACHINE LLC48 citations89
US5813540ASep 29, 1998
Shrink film-encased double-tiered package
DOUGLAS MACHINE LLC72 citations85
US6094888AAug 1, 2000
System and methods for mechanically processing bags
DOUGLAS MACHINE LLC27 citations84
US6047527AApr 11, 2000
Loading apparatus for bag packaging system and method of operating the same
DOUGLAS MACHINE LLC24 citations84
US5771662AJun 30, 1998
Apparatus and methods for producing shrink wrap packaging
DOUGLAS MACHINE LLC49 citations81
US5897480AApr 27, 1999
Collapsed, tubular carton erecting apparatus
DOUGLAS MACHINE LLC13 citations73
US5445590AAug 29, 1995
Collapsed, tubular carton erecting apparatus
DOUGLAS MACHINE LLC15 citations73
US5635004AJun 3, 1997
Tape applying apparatus and methods
DOUGLAS MACHINE LLC10 citations70
US5543699AAug 6, 1996
Random infeed timing device and methods
DOUGLAS MACHINE LLC9 citations70
US5704196AJan 6, 1998
High speed blank set-up apparatus and methods
DOUGLAS MACHINE LLC10 citations68