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

David Stewart

RARarecyte: 19 patents #5 of 22Top 25%
Xerox: 4 patents #2,608 of 8,622Top 35%
ZEZenith Electronics: 3 patents #112 of 411Top 30%
Williamsville, NY: #14 of 663 inventorsTop 3%
New York: #4,427 of 115,490 inventorsTop 4%
Overall (All Time): #133,876 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12327971 Light bulb and power adapter combination having an Edison screw Joseph Stewart 2025-06-10
12222487 Holding a substrate within a secondary device Steve Quarre 2025-02-11
11719929 Optical trains for imaging systems and spectral edge detection Jeremy R. Cooper 2023-08-08
11573415 Device, system, and method for changing angle of incidence of a filter or filter wheel 2023-02-07
11422352 Automated substrate loading Steve Quarre, Edward Shafer, Joel Smith 2022-08-23
11300769 Automated substrate loading Steve Quarre, Edward Shafer, Joel Smith 2022-04-12
11237377 Apparatus for holding a substrate within a secondary device Steve Quarre 2022-02-01
10890748 Automated substrate loading Steve Quarre, Edward Shafer, Joel Smith 2021-01-12
10802260 Automated substrate loading Steve Quarre, Edward Shafer, Joel Smith 2020-10-13
10054524 Apparatus, system and method for collecting a target material Daniel Campton, Joshua Nordberg, Steve Quarre, Ronald Seubert, Jonathan Lundt +2 more 2018-08-21
10018538 Apparatus for spreading a fluid across a substrate and method of using the same Joshua Nordberg, Daniel Campton, Steve Quarre 2018-07-10
9945839 Apparatus, system, and method for collecting a target material Daniel Campton, Joshua Nordberg, Steve Quarre, Ronald Seubert 2018-04-17
9857580 Apparatus for holding a substrate within a secondary device Steve Quarre 2018-01-02
9541481 Apparatus, system, and method for collecting a target material Daniel Campton, Joshua Nordberg, Steve Quarre, Ronald Seubert, Jonathan Lundt +2 more 2017-01-10
9533303 Apparatus, system, and method for collecting a target material Daniel Campton, Joshua Nordberg, Steve Quarre, Ronald Seubert, Jonathan Lundt +1 more 2017-01-03
9513291 Apparatus, system, and method for collecting a target material Daniel Campton, Joshua Nordberg, Steve Quarre, Ronald Seubert, Jonathan Lundt +2 more 2016-12-06
9492819 Apparatus, system, and method for collecting a target material Daniel Campton, Joshua Nordberg, Steve Quarre, Ronald Seubert, Jonathan Lundt +1 more 2016-11-15
9222857 Apparatus for spreading a fluid across a substrate and method of using the same Joshua Nordberg, Daniel Campton, Steve Quarre 2015-12-29
9121798 Apparatus for spreading a fluid across a substrate and method of using the same Joshua Nordberg, Daniel Campton, Steve Quarre 2015-09-01
9039999 Apparatus, system, and method for collecting a target material Daniel Campton, Joshua Nordberg, Steve Quarre, Ronald Seubert, Jonathan Lundt +1 more 2015-05-26
8448078 Method and apparatus for selection of default media based on media size in an image production device 2013-05-21
8446643 Method and apparatus for detecting a size and shape of media on which image data is to be printed in an image production device 2013-05-21
8339618 Method and apparatus for confirming attributes of media loaded in a media tray in an image production device Gemma Rosalind Lee, Lee O'Brien 2012-12-25
8123213 Sheet size detection device Richard Thomas Calhoun Bridges 2012-02-28
5579597 Combined door and display panel for consumer electronics products 1996-12-03