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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RH

Ryan Hallum — 17 Patents

PPPlug Power: 13 patents #5 of 157Top 4%
BEBloom Energy: 4 patents #73 of 315Top 25%
Latham, NY: #20 of 218 inventorsTop 10%
New York: #8,526 of 115,490 inventorsTop 8%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Ryan Hallum has been granted 17 US patents while listed as an inventor at Plug Power. The first was granted in 2002 and the most recent in September 2015. Ryan Hallum ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Ryan Hallum in Latham, NY, US.

Patents per Year

Patents granted per year, 2002 to 2015Bar chart with a peak of 4 patents in 2007.peak 42002: 1 patents20022003: 2 patents20032004: 3 patents20042005: 1 patents20052006: 1 patents20062007: 4 patents20072008: 1 patents20082013: 1 patents20132015: 3 patents2015

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9142845 Solid oxide fuel cell stack heat treatment methods and apparatus Matthias Gottmann, Stephen Couse, James F. McElroy, Jakob Hilton, Kurt Risic +2 more 2015-09-22
9059449 Rapid thermal processing for SOFC manufacturing Michael Gasda, Arne Ballantine, Ravi Oswal 2015-06-16
9059455 Methods of refurbishing components of a fuel cell stack Michael Gasda, Matthias Gottmann, Neil Ide, Dien Nguyen 2015-06-16
8535841 Methods of refurbishing components of a fuel cell stack Michael Gasda, Matthias Gottmann, Neil Ide, Dien Nguyen 2013-09-17
7332236 Method and apparatus for controlling a combined heat and power fuel cell system Arne Ballantine, John Parks, Dustan Skidmore 2008-02-19 $3,598,000
7285346 Method and apparatus for controlling a combined heat and power fuel cell system Arne Ballantine, John Parks, Dustan Skidmore 2007-10-23 $3,120,000
7276307 Method and apparatus for controlling a combined heat and power fuel cell system Arne Ballantine, John Parks, Dustan Skidmore 2007-10-02 $2,615,000
7166379 Technique to regulate an efficiency of a fuel cell system Eric Kueckels, Richard J. Graham, Adam Solodow, Mark Torpey, Arne Ballantine +1 more 2007-01-23 $1,800,000
7166378 Technique to regulate an efficiency of a fuel cell system Eric Kueckels, Richard J. Graham, Adam Solodow, Mark Torpey, Arne Ballantine +1 more 2007-01-23 $1,800,000
7026065 Fuel cell system heat recovery Arne Ballantine 2006-04-11 $6,348,000
6939635 Method and apparatus for controlling a combined heat and power fuel cell system Arne Ballantine, John Parks, Dustan Skidmore 2005-09-06 $7,876,000
6835483 Method and apparatus for controlling a combined heat and power fuel cell system Arne Ballantine, John Parks, Dustan Skidmore 2004-12-28 $5,762,000
6774637 Method of qualifying at least a portion of a fuel cell system and an apparatus employing same Yaobang Wu, Chris Comi, Prathap Haridoss, Chockkalingam Karuppaiah 2004-08-10 $5,699,000
6740437 Method and apparatus for controlling a combined heat and power fuel cell system Arne Ballantine, John Parks, Dustan Skidmore 2004-05-25 $8,779,000
6650968 Technique to regulate an efficiency of a fuel cell system Eric Kueckels, Richard J. Graham, Adam Solodow, Mark Torpey, Arne Ballantine +1 more 2003-11-18 $3,156,000
6576356 Preconditioning membranes of a fuel cell stack 2003-06-10 $5,210,000
6455181 Fuel cell system with sensor 2002-09-24 $5,170,000