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

David S. Derleth

Xerox: 28 patents #468 of 8,622Top 6%
Webster, NY: #122 of 1,485 inventorsTop 9%
New York: #4,427 of 115,490 inventorsTop 4%
Overall (All Time): #134,257 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
8855538 Apparatus and method for cleaning a pressure roll of a fuser unit as used in printing Erwin Ruiz, Jeffrey N. Swing, Charles T. Facchini, II, Steven M. Russel, Jorge M. Rodriguez 2014-10-07
7623803 Fuser system of a xerographic device and a method of fusing an image in a xerographic device including a closed loop control based on the torque of a drive system Kevin M. Carolan 2009-11-24
6655785 Print element and method for assembling a print head Brian S. Hilton, Arthur J. Sobon, Steven R. Moore, Richard C. Keefe 2003-12-02