Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Simons — 293 Patents

IBM: 290 patents #77 of 70,183Top 1%
Poughkeepsie, NY: #4 of 1,613 inventorsTop 1%
New York: #61 of 115,490 inventorsTop 1%
Overall (All Time): #1,396 of 4,157,543Top 1%
293 Patents All Time
Robert E. Simons has been granted 293 US patents while listed as an inventor at IBM. The first was granted in 1980 and the most recent in September 2021. Robert E. Simons ranks #1,396 of 4,157,543 US inventors in our database (top 0.03%). Patent records list Robert E. Simons in Poughkeepsie, NY, US.

Patents per Year

Patents granted per year, 1992 to 2021Bar chart with a peak of 44 patents in 2015.peak 441992: 3 patents19921993: 1 patents1994: 1 patents1995: 4 patents19951996: 1 patents1997: 3 patents1998: 1 patents19981999: 5 patents2000: 4 patents2001: 4 patents20012002: 8 patents2003: 7 patents2004: 9 patents20042005: 4 patents2006: 7 patents2007: 12 patents20072008: 16 patents2009: 11 patents2010: 14 patents20102011: 25 patents2012: 15 patents2013: 9 patents20132014: 22 patents2015: 44 patents2016: 29 patents20162017: 12 patents2018: 5 patents2019: 5 patents20192020: 5 patents2021: 2 patents2021

Issued Patents All Time

Showing 26–50 of 293 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9623520 Heat sink structure with a vapor-permeable membrane for two-phase cooling Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar 2017-04-18 $1,813,000
9622379 Drawer-level immersion-cooling with hinged, liquid-cooled heat sink Levi A. Campbell, Milnes P. David, Dustin W. Demetriou, Michael J. Ellsworth, Jr., Roger R. Schmidt 2017-04-11 $2,654,000
9546575 Fuel vaporization using data center waste heat Levi A. Campbell, Milnes P. David, Dustin W. Demetriou, Roger R. Schmidt 2017-01-17 $4,498,000
9546576 Fuel vaporization using data center waste heat Levi A. Campbell, Milnes P. David, Dustin W. Demetriou, Roger R. Schmidt 2017-01-17 $4,498,000
9504189 Thermoelectric-enhanced, inlet air-cooled thermal conductors Levi A. Campbell, Milnes P. David, Dustin W. Demetriou, Michael J. Ellsworth, Jr., Roger R. Schmidt 2016-11-22 $3,414,000
9470439 Contaminant separator for a vapor-compression refrigeration apparatus Levi A. Campbell, Richard C. Chu, Evan G. Colgan, Milnes P. David, Michael J. Ellsworth, Jr. +1 more 2016-10-18 $1,445,000
9474186 Direct facility coolant cooling of a rack-mounted heat exchanger Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar 2016-10-18 $1,445,000
9446487 Heat sink structure with a vapor-permeable membrane for two-phase cooling Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar 2016-09-20 $4,565,000
9439325 Coolant-cooled heat sink configured for accelerating coolant flow Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-09-06 $4,975,000
9420721 Liquid-cooled heat sink assemblies Levi A. Campbell, Milnes P. David, Dustin W. Demetriou, Michael J. Ellsworth, Jr., Roger R. Schmidt 2016-08-16 $3,753,000
9414525 Coolant-cooled heat sink configured for accelerating coolant flow Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-08-09 $4,722,000
9414519 Dehumidifying cooling apparatus and method for an electronics rack Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar 2016-08-09 $4,722,000
9363924 Ground-based heat sink facilitating electronic system cooling Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-06-07 $4,256,000
9357682 Cooling method with automated seasonal freeze protection Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +2 more 2016-05-31 $4,553,000
9357675 Pump-enhanced, immersion-cooling of electronic component(s) Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-05-31 $4,553,000
9357674 Liquid-cooling apparatus with integrated coolant filter Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-05-31 $4,553,000
9351431 Cooling system with automated seasonal freeze protection Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +2 more 2016-05-24 $3,942,000
9345169 Liquid-cooled heat sink assemblies Levi A. Campbell, Milnes P. David, Dustin W. Demetriou, Michael J. Ellsworth, Jr., Roger R. Schmidt 2016-05-17 $3,602,000
9338924 Dehumidifying cooling apparatus and method for an electronics rack Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar 2016-05-10 $4,731,000
9332674 Field-replaceable bank of immersion-cooled electronic components Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-05-03 $3,695,000
9313920 Direct coolant contact vapor condensing Levi A. Campbell, Richard C. Chu, Milnes P. David, Dustin W. Demetriou, Michael J. Ellsworth, Jr. +2 more 2016-04-12 $2,843,000
9303926 Condenser fin structures facilitating vapor condensation cooling of coolant Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar 2016-04-05 $4,230,000
9301433 Vapor-compression refrigeration apparatus with backup air-cooled heat sink and auxiliary refrigerant heater Levi A. Campbell, Richard C. Chu, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar 2016-03-29 $2,226,000
9295181 Coolant-conditioning unit with automated control of coolant flow valves Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-03-22 $2,974,000
9291281 Thermostat-controlled coolant flow within a heat sink Levi A. Campbell, Richard C. Chu, Milnes P. David, Michael J. Ellsworth, Jr., Madhusudan K. Iyengar +1 more 2016-03-22 $2,974,000