Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MK

Marcus C. Koepke — 78 Patents

HTHon Technology: 37 patents #1 of 123Top 1%
HTHni Technologies: 18 patents #2 of 171Top 2%
DEDigital Equipment: 7 patents #143 of 2,100Top 7%
HNHni: 7 patents #2 of 16Top 15%
KIKimball International: 5 patents #30 of 122Top 25%
Clinton, MA: #1 of 99 inventorsTop 2%
Massachusetts: #439 of 88,656 inventorsTop 1%
Overall (All Time): #23,929 of 4,157,543Top 1%
78 Patents All Time

Issued Patents All Time

Showing 26–50 of 78 patents

Patent #TitleCo-InventorsDate
D507908 Chair arm pad Brian R. Trego, Jay R. Machael 2005-08-02
D507133 Armless chair Brian R. Trego, Jay R. Machael 2005-07-12
D506628 Chair frame Jay R. Machael 2005-06-28
D506629 Chair back Jay R. Machael 2005-06-28
D505579 Arm support for a chair Brian R. Trego, Jay R. Machael 2005-05-31
D500218 Chair arm Brian R. Trego, Jay R. Machael 2004-12-28
6824215 Adjustment mechanism with torque limiting and anti-loosening features Jay R. Machael, Brian R. Trego 2004-11-30
6729691 Chair back construction Tim Coffield, Jay R. Michael, Matthew J. Phillips, Douglas A. Schroeder, Craig H. Schultz +1 more 2004-05-04
6687933 Body support system with energy dissipation means Amin K. Habboub, Matthew J. Phillips 2004-02-10
6669292 Ergonomic chair Jamie Krull, Jay R. Machael, Tim Coffield, Keith L. Davis, Amin K. Habboub +6 more 2003-12-30
D479929 Chair arm Matthew J. Phillips 2003-09-30
6616231 Multi-position tilt-limiting mechanism Jay R. Machael, Brian R. Trego 2003-09-09
6609755 Ergonomic chair Jamie Krull, Jay R. Machael 2003-08-26
6598251 Body support system Amin K. Habboub, Matthew J. Phillips, Craig H. Schultz 2003-07-29
D477162 Chair control lever Jay R. Machael, Brian R. Trego 2003-07-15
D477151 Armless ergonomic chair Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen, Brian R. Trego +4 more 2003-07-15
D477164 Chair back Erik A. Steffensen, Craig H. Schultz, Douglas A. Schroeder, Tim Coffield, Patrick Burgess +1 more 2003-07-15
D476821 Ergonomic chair Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen, Brian R. Trego +4 more 2003-07-08
6572190 Lumbar support for a chair Jay R. Machael, Matthew J. Phillips, Douglas A. Schroeder, Craig H. Schultz, Erik A. Steffensen 2003-06-03
D474926 Chair frame Jay R. Machael 2003-05-27
6568760 Chair of modular construction Keith L. Davis, Jamie Krull, Jay R. Machael, Matthew J. Phillips, Douglas A. Schroeder +4 more 2003-05-27
D467103 Chair arm Matthew J. Phillips 2002-12-17
D462858 Chair back frame Erik A. Steffensen, Craig H. Schultz, Douglas A. Schroeder, Tim Coffield, Patrick Burgess +1 more 2002-09-17
D462187 Chair Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen, Brian R. Trego +3 more 2002-09-03
D462186 Chair Craig H. Schultz, Douglas A. Schroeder, Eric J. Kurtz, Ogden R. Olson, Earl H. Koepke 2002-09-03