TR

Thomas D. Raether

DC Donaldson Company: 65 patents #8 of 695Top 2%
📍 St. Louis Park, MN: #5 of 602 inventorsTop 1%
🗺 Minnesota: #522 of 52,454 inventorsTop 1%
Overall (All Time): #32,606 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
8075648 Nozzle arrangements and method for cleaning filter elements 2011-12-13
8075674 Filter apparatus with pulse cleaning and methods for pulse cleaning filters 2011-12-13
8057582 System configuration of pulsed cleaned panel-style filter elements and methods 2011-11-15
8057563 Filter apparatus configuration of pulsed cleaned panel-style filters and methods 2011-11-15
7967898 Z-filter media with reverse-flow cleaning systems and methods Timothy D. Sporre, Jim C. Rothman, Michael Handley 2011-06-28
7641708 Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter Kristofer G. Kosmider, Steven A. Johnson 2010-01-05
7338544 Z-filter media with reverse-flow cleaning systems and methods Timothy D. Sporre, Jim C. Rothman, Michael Handley 2008-03-04
7282075 Z-filter media with reverse-flow cleaning systems and methods Timothy D. Sporre, Jim C. Rothman, Michael Handley 2007-10-16
7264656 Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter Kristofer G. Kosmider, Steven A. Johnson 2007-09-04
D499177 Filter element having oval shape Kristofer G. Kosmider, Steven A. Johnson 2004-11-30
6488746 Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter Kristofer G. Kosmider, Steven A. Johnson 2002-12-03
6387162 Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter Kristofer G. Kosmider, Steven A. Johnson 2002-05-14
6368388 Filter construction apparatus and method Kristofer G. Kosmider, James A. Severson, Robert Bick, Steven A. Johnson 2002-04-09
6364921 Air filter assembly for filtering air having particulate matter Steven A. Johnson, Kristofer G. Kosmider 2002-04-02
6090173 Air filter assembly for filtering air with particulate matter Steven A. Johnson, James L. Berkhoel 2000-07-18
5562746 Air filter assembly for filtering air with particulate matter 1996-10-08