DF

Duane Fier

AN Andersen: 31 patents #2 of 282Top 1%
AG Anderson Group: 1 patents #6 of 57Top 15%
EJ E.F. Johnson: 1 patents #38 of 54Top 75%
Overall (All Time): #99,613 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 25 most recent of 34 patents

Patent #TitleCo-InventorsDate
12398587 Window hinge assembly and methods Chad Shane MILLER, Clinton Dehne, Craig Johnson, Csaba Andrasfi, Jake Lopac +5 more 2025-08-26
12188273 Hinge assembly with energy control and methods Chad Shane MILLER, Jake Lopac, Adam Richard Rietz, Csaba Andrasfi 2025-01-07
12158040 Compound fenestration assembly mull joints and methods Timothy J. Kelley, Jeremiah Boe, Jon Dekko 2024-12-03
11773645 Compound fenestration assembly mull joints and methods Timothy J. Kelley, Jeremiah Boe, Jon Dekko 2023-10-03
11725442 Hinge assembly with energy control and methods Chad Shane MILLER, Jake Lopac, Adam Richard Rietz, Csaba Andrasfi 2023-08-15
11499364 Compound fenestration assembly mull joints and methods Timothy J. Kelley, Jeremiah Boe, Jon Dekko 2022-11-15
11486179 Window hinge assembly and methods Chad Shane MILLER, Clinton Dehne, Craig Johnson, Csaba Andrasfi, Jake Lopac +5 more 2022-11-01
11187029 Flexible drip cap Arik Van Asten, Devin Nagel, Corey M. Bishman, Jeremiah Boe 2021-11-30
11174667 Laminated glass retention system David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, James C. Guhl +1 more 2021-11-16
10968687 Compound fenestration assembly mull joints and methods Timothy J. Kelley, Jeremiah Boe, Jon Dekko 2021-04-06
10760329 Fenestration frames with integral mull posts and methods of making same Andrew Maas, Joseph Guy Reithmeyer, Shawn Miller 2020-09-01
10626664 Compound fenestration assembly mull joints and methods Timothy J. Kelley, Jeremiah Boe, Jon Dekko 2020-04-21
10422173 Interlock assemblies for fenestration systems and methods Jon Dekko, John Flynn, Michael SCHMIDT, Adam Richard Rietz 2019-09-24
10329831 Laminated glass retention system David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, James C. Guhl +1 more 2019-06-25
10233688 Compound fenestration assembly mull joints and methods Timothy J. Kelley, Jeremiah Boe, Jon Dekko 2019-03-19
10081978 Laminated glass retention system David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, James C. Guhl +1 more 2018-09-25
9932765 Compound fenestration assembly mull joints and methods Timothy J. Kelley, Jeremiah Boe, Jon Dekko 2018-04-03
9863183 Anti-sputtering sill system and method Craig Johnson, Gerard Lagos, Jared Asa Shanholtzer, Alex Sweeney 2018-01-09
9790731 Fenestration units with spacer blocks and methods of manufacturing the same Corey M. Bishman, Jeremiah Boe, Todd Dombrock 2017-10-17
9163449 Laminated glass retention system David Weiss, Clifford W. MacDonald, Loren M. Jacot, Joseph Guy Reithmeyer, James C. Guhl +1 more 2015-10-20
8448384 Doorway with DP enhanced sill Chad Wernlund, Jon Dekko 2013-05-28
8375659 Accessible sill with flexible dam for water containment and drainage David Bogenhagen, Jon Dekko 2013-02-19
8033056 Doorway with anti-bubbling sill drain Chad Wernlund, Jon Dekko 2011-10-11
D431994 Handle assembly James B. Libby, Casey L. Carlson, Mark Hudoba, Joseph Guy Reithmeyer 2000-10-17
D431172 Lock assembly James B. Libby, Casey L. Carlson, Mark Hudoba, Joseph Guy Reithmeyer 2000-09-26