TG

Timothy H. Grafe

DC Donaldson Company: 11 patents #118 of 695Top 20%
📍 Minneapolis, MN: #475 of 6,114 inventorsTop 8%
🗺 Minnesota: #5,782 of 52,454 inventorsTop 15%
Overall (All Time): #384,838 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8915216 Kennel with automatically opening door Thomas B. Hoegh 2014-12-23
8177876 Reduced solidity web comprising fiber and fiber spacer or separation means Veli E. Kalayci, Douglas G. Crofoot, Kristine M. Graham 2012-05-15
8127718 Kennel with automatically opening door Thomas B. Hoegh 2012-03-06
7918913 Reduced solidity web comprising fiber and fiber spacer or separation means Veli E. Kalayci, Douglas G. Crofoot, Kristine M. Graham 2011-04-05
7717975 Reduced solidity web comprising fiber and fiber spacer or separation means Veli E. Kalayci, Douglas G. Crofoot, Kristine M. Graham 2010-05-18
7008465 Cleanable high efficiency filter media structure and applications for use Kristine M. Graham, Mark A. Gogins 2006-03-07
6187596 Airborne contaminant indicator Andrew J. Dallas, Kristine M. Graham 2001-02-13
6113674 Adsorption apparatus and methods Kristine M. Graham, Paul Peterson, Donald R. Monson, Jarren B. Mills 2000-09-05
5976467 Airborne contaminant indicator Andrew J. Dallas, Kristine M. Graham 1999-11-02
5964927 Adsorption apparatus Kristine M. Graham, Paul Peterson, Donald R. Monson, Jarren B. Mills 1999-10-12
5935284 Filter cartridge Joseph C. Tokar, Mervin E. Wright, James A. LeBlanc 1999-08-10
5454858 Process of using mist collector cartridge Joseph C. Tokar, Mervin E. Wright, James A. LeBlanc 1995-10-03
5415676 Mist collector cartridge Joseph C. Tokar, Mervin E. Wright, James A. LeBlanc 1995-05-16