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 51–75 of 78 patents

Patent #TitleCo-InventorsDate
D461976 Chair control lever Jay R. Machael, Brian R. Trego 2002-08-27
D461659 Chair back framework Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder 2002-08-20
D461658 Chair back lumbar support Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder 2002-08-20
D461660 Chair seat framework Jay R. Machael 2002-08-20
D461661 Chair seat and back Jay R. Machael 2002-08-20
D460884 Chair base Jay R. Machael 2002-07-30
D460869 Chair Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen, Brian R. Trego +3 more 2002-07-30
D460643 Chair control lever Jay R. Machael, Brian R. Trego 2002-07-23
D457421 Castor Brian R. Trego, Erik A. Steffensen 2002-05-21
D446400 Chair Craig H. Schultz, Douglas A. Schroeder, Earl H. Koepke, Eric J. Kurtz, Ogden R. Olson 2001-08-14
D446033 Desk chair Ralph L. Langen 2001-08-07
D446037 Side chair Ralph L. Langen 2001-08-07
D437704 Chair Ogden R. Olson, Eric J. Kurtz, Earl H. Koepke 2001-02-20
D437702 Chair Ogden R. Olson, Eric J. Kurtz, Earl H. Koepke 2001-02-20
6161897 Chair construction Eric J. Kurtz, Ogden R. Olson, Earl H. Koepke 2000-12-19
D405618 Chair Curtis Joe Reutepohler 1999-02-16
D405620 Chair Curtis Joe Reutepohler 1999-02-16
D390712 Chair Ralph L. Langen, Neil Broeker 1998-02-17
5486035 Occupant weight operated chair Earl H. Koepke 1996-01-23
5314237 Reclining chair Earl H. Koepke 1994-05-24
5308145 Reclining chair Earl H. Koepke 1994-05-03
D329847 Video display terminal Margaret L. Hetfield 1992-09-29
D312620 Terminal server Bernard J. Maurer, Robert L. Hanson 1990-12-04
D312074 Terminal server Bernard J. Maurer, Robert L. Hanson 1990-11-13
D308670 Computer enclosure Robert L. Hanson 1990-06-19