Assignee
DOUGLAS MACHINE INC
US34 patents
Top patents by PatentIndex Score
US8051629B2Nov 8, 2011
Heat tunnel for film shrinking
DOUGLAS MACHINE INC55 citations96
US7155876B2Jan 2, 2007
Heat tunnel for film shrinking
DOUGLAS MACHINE INC69 citations96
US7269929B2Sep 18, 2007
Heat tunnel for film shrinking
DOUGLAS MACHINE INC46 citations94
US7823366B2Nov 2, 2010
Apparatus and method for selective processing of materials with radiant energy
DOUGLAS MACHINE INC51 citations93
US6837360B2Jan 4, 2005
Retractable transfer device metering and product arranging apparatus and methods
DOUGLAS MACHINE INC24 citations92
US7222716B2May 29, 2007
Retractable transfer device metering apparatus and methods
DOUGLAS MACHINE INC19 citations91
US6843360B2Jan 18, 2005
Retractable transfer device metering apparatus and methods
DOUGLAS MACHINE INC39 citations91
US6793064B2Sep 21, 2004
Retractable transfer device metering and product arranging and loading apparatus and methods
DOUGLAS MACHINE INC35 citations91
US7533768B2May 19, 2009
Retractable transfer device metering apparatus and methods
DOUGLAS MACHINE INC27 citations89
US7328550B2Feb 12, 2008
Method for packaging articles using pre-perforated heat shrink film
DOUGLAS MACHINE INC54 citations89
US7156607B2Jan 2, 2007
Carton stacking apparatus and method
DOUGLAS MACHINE INC20 citations86
US7073656B2Jul 11, 2006
Method and apparatus for removing holes from nested product patterns
DOUGLAS MACHINE INC30 citations85
US11505341B1Nov 22, 2022
Robotic case packer platform and packing method
DOUGLAS MACHINE INC7 citations81
US9315338B2Apr 19, 2016
Article metering apparatus, system and methods
DOUGLAS MACHINE INC9 citations81
US8011495B2Sep 6, 2011
Transfer device metering apparatus and methods
DOUGLAS MACHINE INC16 citations78
US6837664B2Jan 4, 2005
Multiple head rotary set-up
DOUGLAS MACHINE INC17 citations76
US10549924B2Feb 4, 2020
Robotic article collation and metering assembly
DOUGLAS MACHINE INC3 citations72
US7032360B2Apr 25, 2006
Apparatus and methods for producing shrink wrap packaging
DOUGLAS MACHINE INC13 citations70
US8356456B2Jan 22, 2013
Apparatus for adjustable wrapping
DOUGLAS MACHINE INC6 citations68
US11292624B1Apr 5, 2022
End of arm tool for loaded case closure
DOUGLAS MACHINE INC2 citations65
US11072141B1Jul 27, 2021
Robotic case erector
DOUGLAS MACHINE INC3 citations65
US8973733B2Mar 10, 2015
Article orienter and attendant orientation operations
DOUGLAS MACHINE INC6 citations64
US7849770B2Dec 14, 2010
Film cutter
DOUGLAS MACHINE INC6 citations61
US10549923B2Feb 4, 2020
Article accumulation pattern building load plate
DOUGLAS MACHINE INC1 citations56
US10759550B2Sep 1, 2020
Intermittent case packer assembly and methods
DOUGLAS MACHINE INC1 citations54
US7921982B2Apr 12, 2011
Methods and apparatus for handling products
DOUGLAS MACHINE INC6 citations53
US10351355B2Jul 16, 2019
Auto changeover infeed assembly
DOUGLAS MACHINE INC1 citations52
US12384579B2Aug 12, 2025
System and process for forming retained container groups from arrayed container groups
DOUGLAS MACHINE INC0 citations50
US11905052B2Feb 20, 2024
System and process for forming retained container groups from arrayed container groups
DOUGLAS MACHINE INC0 citations50
US10889452B1Jan 12, 2021
Article accumulation and article group formation
DOUGLAS MACHINE INC0 citations48
US11383863B2Jul 12, 2022
Robotic article handling system and operations
DOUGLAS MACHINE INC0 citations46
US9751700B2Sep 5, 2017
Article metering apparatus, system and methods
DOUGLAS MACHINE INC1 citations45
USD517578SMar 21, 2006
Shroud for a heat tunnel or the like
DOUGLAS MACHINE INC1 citations42
US10611589B2Apr 7, 2020
Auto film splicing assembly with film roll positioner
DOUGLAS MACHINE INC0 citations31