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

John Hamilton — 76 Patents

STSteelcase: 62 patents #7 of 809Top 1%
SDSteelcase Development: 13 patents #29 of 472Top 7%
San Rafael, CA: #4 of 869 inventorsTop 1%
California: #3,738 of 386,348 inventorsTop 1%
Overall (All Time): #24,857 of 4,157,543Top 1%
76 Patents All Time

Issued Patents All Time

Showing 51–75 of 76 patents

Patent #TitleCo-InventorsDate
8104850 Furniture storage unit Allen C. Hager, Robert E. Jeffers, William K. Hofman, Brian L. Bultsma, Scott Michael Miller +3 more 2012-01-31
D640074 Stanchion assembly Daniel N. Philips, Krista J. Eberle 2011-06-21
D640076 Worksurface assembly Andre K. Dettler, Helen A. Buckley 2011-06-21
D620289 Furniture unit Donald P. Gravel, Jian Hong, Karl J. Mead, Karl-Heinz Mueller, Andre K. Dettler 2010-07-27
D617485 Lamp housing James N. Ludwig 2010-06-08
7677182 Two person work environment Karl-Heinz Mueller, David K. Jones, James N. Ludwig, Brett Kincaid, Colin Nourie 2010-03-16
D605423 Storage unit assembly Bradley Youngs, Ryan Pauly 2009-12-08
D604966 Worksurface assembly Andre K. Dettler, Helen A. Buckley 2009-12-01
D603974 Beam assembly Marv Knauf, Mark T. Slager, Kurt R. Heidmann 2009-11-10
D603065 Beam for a partition assembly Marv Knauf, Bradley Youngs, Mark T. Slager, Kurt R. Heidmann, Michael J. Feldpausch +1 more 2009-10-27
D600483 Furniture unit Donald P. Gravel, Jian Hong, Karl J. Mead, Karl-Heinz Mueller 2009-09-22
D599122 Privacy screen Thomas G. Feldpausch, Jessie Storey, James N. Ludwig, Ryan Pauly, Kurt R. Heidmann 2009-09-01
D595514 Privacy screen Thomas G. Feldpausch, Jessie Storey, James N. Ludwig, Ryan Pauly 2009-07-07
D595114 Bracket assembly James N. Ludwig 2009-06-30
D585218 Table Kurt Heidman, Steven James Beukema, Jay Grandin 2009-01-27
D578817 Furniture unit Donald P. Gravel, Jian Hong, Karl J. Mead, Karl-Heinz Mueller 2008-10-21
6692011 Mobile pedestal with storable handle Liisa Fink Carlson, Kevin B. Miller, Daniel A. Schurr 2004-02-17
6662731 Nestable table with slotted table top David S. Teppo, Brett Kincaid, James D. Houda 2003-12-16
6568335 Furniture accessory supporting system Daniel Grabowski, James N. Ludwig 2003-05-27
6474665 Mobile pedestal with storable handle Liisa A. Fink, Kevin B. Miller 2002-11-05
6435634 Document display shelf apparatus Audrey K. Webb, Michael W. Welsh, Scott Michael Miller, Kevin B. Miller 2002-08-20
D460879 Storage unit Mark A. Buchalter, James L. Rozema 2002-07-30
D456182 Coordinated accessory foot and furniture foot Daniel Grabowski, James N. Ludwig 2002-04-30
D454454 Storage unit Mark A. Buchalter, James L. Rozema 2002-03-19
D447682 Castor Daniel Grabowski, David M. Gresham, James L. Rozema 2001-09-11