Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Andrew T. Ruff — 27 Patents

3M: 27 patents #428 of 11,543Top 4%
Mendota Heights, MN: #17 of 202 inventorsTop 9%
Minnesota: #2,320 of 52,454 inventorsTop 5%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Andrew T. Ruff has been granted 27 US patents while listed as an inventor at 3M. The first was granted in 2002 and the most recent in February 2021. Andrew T. Ruff ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Andrew T. Ruff in Mendota Heights, MN, US.

Patents per Year

Patents granted per year, 2002 to 2021Bar chart with a peak of 6 patents in 2005.peak 62002: 1 patents20022004: 3 patents20042005: 6 patents20052006: 6 patents20062007: 3 patents20072008: 2 patents20082009: 1 patents20092010: 3 patents20102016: 1 patents20162021: 1 patents2021

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10913199 Processes and apparatus for making transversely drawn films with substantially uniaxial character William W. Merrill, Jeffery N. Jackson, John A. Wheatley, Dennis L. Krueger 2021-02-09 $72,648,000
9314961 Processes and apparatus for making transversely drawn films with substantially uniaxial character William W. Merrill, Jeffery N. Jackson, John A. Wheatley, Dennis L. Krueger 2016-04-19 $49,185,000
7851054 Multilayer optical films having one or more reflection bands Michael F. Weber, Timothy J. Nevitt, Andrew J. Ouderkirk, John A. Wheatley, James M. Jonza +2 more 2010-12-14 $15,789,000
7744987 Optical polarizing films Timothy J. Hebrink, Laurence R. Gilbert, James M. Jonza 2010-06-29 $10,926,000
7740470 Processes and apparatus for making transversely drawn films with substantially uniaxial character William W. Merrill, Jeffery N. Jackson, John A. Wheatley, Dennis L. Krueger 2010-06-22 $31,586,000
7526164 Reflective polarizers containing polymer fibers Andrew J. Ouderkirk, Richard C. Allen, Patrick R. Fleming, Diane North, Kristin L. Thunhorst 2009-04-28 $27,094,000
7356229 Reflective polarizers containing polymer fibers Andrew J. Ouderkirk, Richard C. Allen, Patrick R. Fleming, Diane North, Kristin L. Thunhorst 2008-04-08 $34,943,000
7316558 Devices for stretching polymer films William W. Merrill, Jeffery N. Jackson, Desiree Thompson, John A. Wheatley, Jeffrey D. Amundson +1 more 2008-01-08 $67,001,000
7256936 Optical polarizing films with designed color shifts Timothy J. Hebrink, Laurence R. Gilbert, James M. Jonza 2007-08-14 $19,342,000
7236296 Multilayer infrared reflecting film with high and smooth transmission in visible wavelength region and laminate articles made therefrom Yaoqi J. Liu, Jerry A. Sievers 2007-06-26 $16,226,000
7229271 Apparatus for making transversely drawn films with substantially uniaxial character William W. Merrill, Jeffery N. Jackson, John A. Wheatley, Dennis L. Krueger 2007-06-12 $50,814,000
7153123 Devices for conveying, stretching, and taking-away polymer films Jeffery N. Jackson, William W. Merrill, Desiree Thompson 2006-12-26 $21,625,000
7153122 Apparatus for making transversely drawn films with substantially uniaxial character Jeffery N. Jackson, William W. Merrill, Desiree Thompson, Dennis L. Krueger 2006-12-26 $21,625,000
7141297 Multilayer optical bodies Peter D. Condo, Timothy J. Hebrink, John A. Wheatley, Andrew J. Ouderkirk, Yaoqi J. Liu +1 more 2006-11-28 $9,230,000
7104776 Methods and devices for stretching polymer films William W. Merrill, Jeffery N. Jackson, Desiree Thompson, John A. Wheatley, Jeffrey D. Amundson +1 more 2006-09-12 $25,405,000
7094461 P-polarizer with large z-axis refractive index difference James M. Jonza, Timothy J. Hebrink, Laurence R. Gilbert 2006-08-22 $16,436,000
7064897 Optical polarizing films with designed color shifts Timothy J. Hebrink, Laurence R. Gilbert, James M. Jonza 2006-06-20 $34,019,000
6949212 Methods and devices for stretching polymer films William W. Merrill, Jeffery N. Jackson, Desiree Thompson, John A. Wheatley, Jeffrey D. Amundson +1 more 2005-09-27 $16,203,000
6939499 Processes and apparatus for making transversely drawn films with substantially uniaxial character William W. Merrill, Jeffery N. Jackson, John A. Wheatley, Dennis L. Krueger 2005-09-06 $18,662,000
6936209 Methods and devices for processing polymer films Jeffery N. Jackson, William W. Merrill, Desiree Thompson 2005-08-30 $30,924,000
6927900 Multilayer infrared reflecting film with high and smooth transmission in visible wavelength region and laminate articles made therefrom Yaoqi J. Liu, Jerry A. Sievers 2005-08-09 $19,027,000
6916440 Processes and apparatus for making transversely drawn films with substantially uniaxial character Jeffery N. Jackson, William W. Merrill, Desiree Thompson, Dennis L. Krueger 2005-07-12 $23,784,000
6888677 Multilayer optical bodies Peter D. Condo, Timothy J. Hebrink, John A. Wheatley, Andrew J. Ouderkirk, Yaoqi J. Liu +1 more 2005-05-03 $24,201,000
6797396 Wrinkle resistant infrared reflecting film and non-planar laminate articles made therefrom Yaoqi J. Liu, Jeffrey A. Boettcher, Heather K. Kranz, Brian L. Koster, David K. Mortenson 2004-09-28 $17,558,000
6744561 Multilayer optical bodies Peter D. Condo, Timothy J. Hebrink, John A. Wheatley, Andrew J. Ouderkirk, Yaoqi J. Liu +1 more 2004-06-01 $19,400,000