Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DT

David S. Teppo — 32 Patents

SDSteelcase Development: 21 patents #12 of 472Top 3%
STSteelcase: 11 patents #84 of 809Top 15%
Wyoming, MI: #5 of 261 inventorsTop 2%
Michigan: #1,992 of 86,293 inventorsTop 3%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
David S. Teppo has been granted 32 US patents while listed as an inventor at Steelcase Development. The first was granted in 1990 and the most recent in May 2010. David S. Teppo ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list David S. Teppo in Wyoming, MI, US.

Patents per Year

Patents granted per year, 1990 to 2010Bar chart with a peak of 6 patents in 2002.peak 61990: 1 patents19901993: 1 patents1995: 1 patents19951996: 3 patents1997: 1 patents19971999: 3 patents2000: 1 patents20002001: 5 patents2002: 6 patents20022003: 2 patents2004: 1 patents20042005: 1 patents2006: 4 patents20062008: 1 patents2010: 1 patents2010

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7712834 Back support for seating unit Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson +1 more 2010-05-11 $7,153,000
7427105 Back construction for seating unit Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2008-09-23 $3,775,000
7131700 Back construction for seating unit Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2006-11-07 $6,229,000
7114777 Chair having reclineable back and movable seat Arnold B. Dammermann, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2006-10-03 $5,692,000
7040709 Back construction for seating unit having inverted U-shaped frame Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2006-05-09 $2,426,000
6991291 Back construction for seating unit having spring bias Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2006-01-31 $5,069,000
6905171 Seating unit including novel back construction Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2005-06-14 $5,257,000
6749261 Seating unit including novel back construction Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2004-06-15 $1,593,000
6662731 Nestable table with slotted table top John Hamilton, Brett Kincaid, James D. Houda 2003-12-16 $4,995,000
6554364 Articulating armrest Arnold B. Dammermann, David Bodnar, Michael L. Deimen, Thomas R. Hahn, Duane F. Nagel +2 more 2003-04-29 $1,168,000
6460928 Seating unit including novel back construction Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-10-08 $3,038,000
6394545 Back for seating unit Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-05-28 $1,178,000
6394546 Lumbar device Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-05-28 $1,178,000
6394549 Seating unit with reclineable back and forwardly movable seat Larry DeKraker, Kurt R. Heidmann, Glenn A. Knoblock 2002-05-28 $1,178,000
6367877 Back for seating unit Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-04-09 $4,948,000
6349992 Seating unit including novel back construction Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-02-26 $1,541,000
D442791 Chair George J. Simons, Jr., David C. Jenkins, Arnold B. Dammermann, Thomas B. Eich, Thomas Overthun +1 more 2001-05-29
D442400 Seating unit George J. Simons, Jr., David C. Jenkins, Arnold B. Dammermann, Thomas B. Eich, Thomas Overthun +1 more 2001-05-22
6227635 Storage cabinet with handle operated door Harold Halvorson, Jr. 2001-05-08 $4,172,000
D439451 Back for a seating unit George J. Simons, Jr., David C. Jenkins, Arnold B. Dammermann, Thomas B. Eich, Thomas Overthun +1 more 2001-03-27
D438733 Lumbar region of a chair back David C. Jenkins, Arnold B. Dammermann, Kurt R. Heidmann 2001-03-13
D421540 Chair back David C. Jenkins, Arnold B. Dammermann, Markus P. Diebel, Gardner Klaasen, John Stoddard 2000-03-14
5979984 Synchrotilt chair with forwardly movable seat Larry DeKraker, Kurt R. Heidmann, Glenn A. Knoblock 1999-11-09 $927,000
5975634 Chair including novel back construction Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 1999-11-02 $1,980,000
D414349 Chair David C. Jenkins, Arnold B. Dammermann, Markus P. Diebel, Gardner Klaasen, John Stoddard 1999-09-28