Inventor
RUFF ANDREW T
US27 patents
⚠️ This page may combine multiple inventors who share the name “RUFF ANDREW T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
26 patentsUS6939499B2Sep 6, 2005
Processes and apparatus for making transversely drawn films with substantially uniaxial character
3M INNOVATIVE PROPERTIES CO113 citations99
US6498683B2Dec 24, 2002
Multilayer optical bodies
3M INNOVATIVE PROPERTIES CO96 citations99
US6916440B2Jul 12, 2005
Processes and apparatus for making transversely drawn films with substantially uniaxial character
3M INNOVATIVE PROPERTIES CO128 citations98
US6797396B1Sep 28, 2004
Wrinkle resistant infrared reflecting film and non-planar laminate articles made therefrom
3M INNOVATIVE PROPERTIES CO338 citations98
US6927900B2Aug 9, 2005
Multilayer infrared reflecting film with high and smooth transmission in visible wavelength region and laminate articles made therefrom
3M INNOVATIVE PROPERTIES CO125 citations97
US7740470B2Jun 22, 2010
Processes and apparatus for making transversely drawn films with substantially uniaxial character
3M INNOVATIVE PROPERTIES CO38 citations96
US7256936B2Aug 14, 2007
Optical polarizing films with designed color shifts
3M INNOVATIVE PROPERTIES CO45 citations96
US7236296B2Jun 26, 2007
Multilayer infrared reflecting film with high and smooth transmission in visible wavelength region and laminate articles made therefrom
3M INNOVATIVE PROPERTIES CO75 citations96
US7229271B2Jun 12, 2007
Apparatus for making transversely drawn films with substantially uniaxial character
3M INNOVATIVE PROPERTIES CO47 citations96
US7141297B2Nov 28, 2006
Multilayer optical bodies
3M INNOVATIVE PROPERTIES CO61 citations96
US7064897B2Jun 20, 2006
Optical polarizing films with designed color shifts
3M INNOVATIVE PROPERTIES CO56 citations96
US6949212B2Sep 27, 2005
Methods and devices for stretching polymer films
3M INNOVATIVE PROPERTIES CO74 citations96
US6936209B2Aug 30, 2005
Methods and devices for processing polymer films
3M INNOVATIVE PROPERTIES CO47 citations96
US6744561B2Jun 1, 2004
Multilayer optical bodies
3M INNOVATIVE PROPERTIES CO52 citations96
US7316558B2Jan 8, 2008
Devices for stretching polymer films
3M INNOVATIVE PROPERTIES CO47 citations95
US7104776B2Sep 12, 2006
Methods and devices for stretching polymer films
3M INNOVATIVE PROPERTIES CO38 citations95
US7851054B2Dec 14, 2010
Multilayer optical films having one or more reflection bands
3M INNOVATIVE PROPERTIES CO36 citations94
US7526164B2Apr 28, 2009
Reflective polarizers containing polymer fibers
3M INNOVATIVE PROPERTIES CO33 citations92
US7356229B2Apr 8, 2008
Reflective polarizers containing polymer fibers
3M INNOVATIVE PROPERTIES CO26 citations92
US7153122B2Dec 26, 2006
Apparatus for making transversely drawn films with substantially uniaxial character
3M INNOVATIVE PROPERTIES CO44 citations92
US6888677B2May 3, 2005
Multilayer optical bodies
3M INNOVATIVE PROPERTIES CO26 citations92
US6680114B2Jan 20, 2004
Fibrous films and articles from microlayer substrates
3M INNOVATIVE PROPERTIES CO28 citations92
US7744987B2Jun 29, 2010
Optical polarizing films
3M INNOVATIVE PROPERTIES CO8 citations84
US7153123B2Dec 26, 2006
Devices for conveying, stretching, and taking-away polymer films
3M INNOVATIVE PROPERTIES CO14 citations84
US7094461B2Aug 22, 2006
P-polarizer with large z-axis refractive index difference
3M INNOVATIVE PROPERTIES CO17 citations84
US10913199B2Feb 9, 2021
Processes and apparatus for making transversely drawn films with substantially uniaxial character
3M INNOVATIVE PROPERTIES CO0 citations63