RB

Richard L. Bucholtz

DC Donaldson Company: 11 patents #118 of 695Top 20%
📍 Andover, MN: #61 of 333 inventorsTop 20%
🗺 Minnesota: #6,858 of 52,454 inventorsTop 15%
Overall (All Time): #454,342 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11185810 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2021-11-30
10556202 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2020-02-11
9782713 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2017-10-10
9162172 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2015-10-20
8562707 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2013-10-22
8206479 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2012-06-26
8002869 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald P. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2011-08-23
7981183 Filter arrangements; side-entry housings; and methods Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +2 more 2011-07-19
7655074 Filter arrangements; side-entry housings; and methods Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +2 more 2010-02-02
7635403 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2009-12-22
7396375 Air filter having fluted filter media Larry R. Nepsund, Bradley Kuempel, Donald F. Engel, Bruce Allen Boehrs, Sheldon Anderson +1 more 2008-07-08