Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Stephen Yates — 71 Patents

Honeywell: 46 patents #59 of 14,447Top 1%
ALAlliedsignal: 22 patents #24 of 2,631Top 1%
CECpc Engineering: 1 patents #2 of 8Top 25%
GAGarrett: 1 patents #104 of 266Top 40%
South Barrington, IL: #3 of 84 inventorsTop 4%
Illinois: #380 of 84,256 inventorsTop 1%
Overall (All Time): #28,537 of 4,157,543Top 1%
71 Patents All Time

Issued Patents All Time

Showing 26–50 of 71 patents

Patent #TitleCo-InventorsDate
9817254 Stabilization gas environments in a proton-exchanged lithium niobate optical chip Nancy Iwamoto, Steven Sanders, Paul S. Fechner, Austin Taranta 2017-11-14
9776725 Human factors approach to control contaminant concentrations in aircraft supply air from engine and APU bleed air and ground air sources, and in recirculated air being delivered to aircraft cabins for the optimization of user experience and energy consumption Richard B. Fox, Deanna Pinar Chase, Paul Kurlak, Mike Koerner, Bijan F. Hagh +2 more 2017-10-03
9662626 Photocatalyst air purification system with ultraviolet light emitting diodes operated with a duty cycle Bijan F. Hagh, Mark Poling, Peter M. Michalakos, Russell W. Johnson 2017-05-30
9101904 Air purification system using ultraviolet light emitting diodes and photocatalyst-coated supports Gregory Allan Land 2015-08-11
8758491 Thin film gas separation membranes Grace Guo, Zhongxi Huang, Jeffrey Han, Mengshi Lu 2014-06-24
8337598 Photo-crosslinked gas selective membranes as part of thin film composite hollow fiber membranes Matthew C. McGuirl, Tihomir Tonev, Chunqing Liu, Jeffrey J. Chiou, Amber Arzadon 2012-12-25
8016124 Thin film gas separation membranes Rehan Zaki, Amber Arzadon, Chunqing Liu, Jeffrey J. Chiou 2011-09-13
7905259 Advanced carbon dioxide fuel tank inerting system Russell W. Johnson, Rehan Zaki 2011-03-15
7867319 Filled epoxy tubesheet Rehan Zaki, Tihomir Tonev 2011-01-11
7699911 Ozone resistant O2/N2 separation membranes Shaojun Zhou 2010-04-20
7671325 Biological Agent Signature Detector With an Optical Fiber Cladding Combined With a Bio-Indicator Glen A. Sanders, F. Stephen Lupton 2010-03-02
7628965 Advanced carbon dioxide fuel tank inerting system with desulfurization Russell W. Johnson, Rehan Zaki 2009-12-08
7608133 Lithium-exchanged faujasites for carbon dioxide removal Allen A. MacKnight 2009-10-27
7518730 Apparatus and method for chemical sensing Glen A. Sanders 2009-04-14
7329877 Photoelectrocatalytic sensor for measuring oxidizable impurities in air Brian C. Krafthefer, Barrett E. Cole 2008-02-12
6702929 Purification of 1,1,1,3,3-pentafluorobutane Hsueh Sung Tung 2004-03-09
6623550 Apparatus for controlling air quality Dipak I. Shah, Chin-Hsiung Chang, John D. Howard, Ronald P. Rohrbach, Peter D. Unger +2 more 2003-09-23
6585810 Polymer-bound nitrogen adsorbent Romulus Gaita, Shaojun Zhou, Chin-Hsiung Chang 2003-07-01
6451723 Polymer-bound nitrogen adsorbent and method of making and using it Romulus Gaita, Shaojun Zhou, Chin-Hsiung Chang 2002-09-17
6428608 Method and apparatus for controlling air quality Dipak J. Shah, Chin-Hsiung Chang, John D. Howard, Ronald P. Rohrbach, Peter D. Unger +2 more 2002-08-06
6380270 Photogenerated nanoporous materials 2002-04-30
6268307 Titania bound sodium titanate ion exchanger Irene C. G. DeFilippi, Jian Shen, Romulus Gaita, Robert Henry Sedath, Gary J. Seminara +2 more 2001-07-31
6114269 Process for preparing chemically modified micas for removal of cesium salts from aqueous solution Irene C. G. DeFilippi, Romulus Gaita, Abraham Clearfield, Lyudmila Bortun, Anatoly Bortun 2000-09-05
6077982 Purification of 1,1,1,3,3-pentafluoropropane (R-245fa) Romulus Gaita 2000-06-20
5885925 Titania bound sodium titanate ion exchanger Irene C. G. DeFilippi, Jian Shen, Romulus Gaita, Robert Henry Sedath, Gary J. Seminara +2 more 1999-03-23