Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Douglas A. Schroeder — 26 Patents

HTHon Technology: 22 patents #5 of 123Top 5%
HTHni Technologies: 3 patents #34 of 171Top 20%
Muscatine, IA: #5 of 197 inventorsTop 3%
Iowa: #395 of 15,303 inventorsTop 3%
Overall (All Time): #150,017 of 4,157,543Top 4%
26 Patents All Time
Douglas A. Schroeder has been granted 26 US patents while listed as an inventor at Hon Technology. The first was granted in 1997 and the most recent in September 2024. Douglas A. Schroeder ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Douglas A. Schroeder in Muscatine, IA, US.

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12075921 Chairs including flexible frames Jay R. Machael 2024-09-03
11589678 Chairs including flexible frames Jay R. Machael 2023-02-28
10799028 Chairs including flexible frames Wolfgang Deisig, Nils Koehn, Jay R. Machael 2020-10-13
D530533 Chair David E. Mehaffey, Ogden R. Olson 2006-10-24
6729691 Chair back construction Marcus C. Koepke, Tim Coffield, Jay R. Michael, Matthew J. Phillips, Craig H. Schultz +1 more 2004-05-04
6669292 Ergonomic chair Marcus C. Koepke, Jamie Krull, Jay R. Machael, Tim Coffield, Keith L. Davis +6 more 2003-12-30
D477151 Armless ergonomic chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen, Brian R. Trego +4 more 2003-07-15
D477164 Chair back Marcus C. Koepke, Erik A. Steffensen, Craig H. Schultz, Tim Coffield, Patrick Burgess +1 more 2003-07-15
D476821 Ergonomic chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen, Brian R. Trego +4 more 2003-07-08
6572190 Lumbar support for a chair Marcus C. Koepke, Jay R. Machael, Matthew J. Phillips, Craig H. Schultz, Erik A. Steffensen 2003-06-03
6568760 Chair of modular construction Keith L. Davis, Marcus C. Koepke, Jamie Krull, Jay R. Machael, Matthew J. Phillips +4 more 2003-05-27
D462858 Chair back frame Marcus C. Koepke, Erik A. Steffensen, Craig H. Schultz, Tim Coffield, Patrick Burgess +1 more 2002-09-17
D462186 Chair Craig H. Schultz, Eric J. Kurtz, Marcus C. Koepke, Ogden R. Olson, Earl H. Koepke 2002-09-03
D462187 Chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen, Brian R. Trego +3 more 2002-09-03
D461658 Chair back lumbar support Marcus C. Koepke, Jay R. Machael, Craig H. Schultz 2002-08-20
D461659 Chair back framework Marcus C. Koepke, Jay R. Machael, Craig H. Schultz 2002-08-20
D460869 Chair Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen, Brian R. Trego +3 more 2002-07-30
D454270 Chair arm Craig H. Schultz 2002-03-12
D446400 Chair Craig H. Schultz, Marcus C. Koepke, Earl H. Koepke, Eric J. Kurtz, Ogden R. Olson 2001-08-14
D444969 Table leg Jason D. Erickson, Craig H. Schultz, Michael Bell 2001-07-17
D433833 Chair Craig H. Schultz 2000-11-21
D411777 Base for a chair Craig H. Schultz 1999-07-06
D408164 Chair Randy L. Popham, Ogden R. Olson 1999-04-20
D390384 Chair Craig H. Schultz 1998-02-10
D390386 Chair arm Craig H. Schultz 1998-02-10