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 26–50 of 76 patents

Patent #TitleCo-InventorsDate
D728959 Chair Alberto Lievore, Jeannette Altherr, Manel Molina, Victor Carrasco Berlanga 2015-05-12
D728960 Chair Alberto Lievore, Jeannette Altherr, Manel Molina, Victor Carrasco Berlanga 2015-05-12
D728953 Chair Alberto Lievore, Jeannette Altherr, Manel Molina, Victor Carrasco Berlanga 2015-05-12
D728253 Chair Alberto Lievore, Jeannette Altherr, Manel Molina, Victor Carrasco Berlanga 2015-05-05
D724859 Chair Michael Young, James N. Ludwig, Kurt R. Heidmann 2015-03-24
8910435 Partition assembly Michael J. Feldpausch, Marvin C. Knauf, Bradley Youngs, Mark T. Slager, Kurt R. Heidmann +1 more 2014-12-16
D718967 Chair Michael Young, James N. Ludwig, Kurt R. Heidmann 2014-12-09
8701568 Rail and desk with sliding top and power access (C:SCAPE) Scott Michael Miller, Robert J. Battey, Todd T. Andres, Daniel Phillips, Jamie Payne +7 more 2014-04-22
D693612 Furniture portion Robert Peter Arko, Justin Champaign 2013-11-19
D690142 Furniture piece Robert Peter Arko, Justin Champaign 2013-09-24
D689725 Seat portion Jay Grandin, Bruce M. Smith, James N. Ludwig, Terence Sean Yoo, Robert Peter Arko +1 more 2013-09-17
D686015 Furniture portion Robert Peter Arko, Justin Champaign 2013-07-16
D686003 Seat portion Robert Peter Arko, Matthew Hollingsworth 2013-07-16
D677911 Seat Jay Grandin, Bruce M. Smith, James N. Ludwig, Terence Sean Yoo, Robert Peter Arko +1 more 2013-03-19
D676680 Seat Robert Peter Arko, Matthew Hollingsworth 2013-02-26
8276523 Worksurface assembly Scott Michael Miller, Robert J. Battey, Todd T. Andres, Daniel Phillips, Jamie Payne +7 more 2012-10-02
D662329 Furniture piece Robert Peter Arko, Justin Champaign, Jon H. LeFors 2012-06-26
D662337 Seat portion Robert Peter Arko, Matthew Hollingsworth 2012-06-26
D662338 Seat portion Robert Peter Arko, Matthew Hollingsworth 2012-06-26
D661127 Table Robert Peter Arko, Matthew Hollingsworth 2012-06-05
D659412 Seat Robert Peter Arko, Matthew Hollingsworth 2012-05-15
D659441 Furniture base Robert Peter Arko, Justin Champaign 2012-05-15
D659413 Seat Robert Peter Arko, Matthew Hollingsworth 2012-05-15
D659426 Furniture piece Robert Peter Arko, Justin Champaign 2012-05-15
8146514 Table construction Kurt Heidman, Steven James Beukema, Jay Grandin 2012-04-03