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

Daniel Darga — 20 Patents

BEBloom Energy: 15 patents #23 of 315Top 8%
General Motors: 5 patents #3,105 of 18,328Top 20%
Pleasanton, CA: #349 of 3,062 inventorsTop 15%
California: #29,208 of 386,348 inventorsTop 8%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Daniel Darga has been granted 20 US patents while listed as an inventor at Bloom Energy. The first was granted in 2007 and the most recent in July 2023. Daniel Darga ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Daniel Darga in Pleasanton, CA, US.

Patents per Year

Patents granted per year, 2007 to 2023Bar chart with a peak of 5 patents in 2016.peak 52007: 1 patents20072010: 1 patents2011: 1 patents20112012: 1 patents2013: 1 patents20132015: 2 patents2016: 5 patents20162017: 2 patents2018: 2 patents20182019: 1 patents2021: 1 patents20212022: 1 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11705557 Interconnect for fuel cell stack Cheng-Yu Lin, Vijay Srivatsan 2023-07-18 $46,340,000
11217797 Interconnect for fuel cell stack Cheng-Yu Lin, Vijay Srivatsan 2022-01-04
10962492 Method of measurement and estimation of the coefficient of thermal expansion in components Cheng-Yu Lin, Michael Groesch, Harald Herchen, Vijay Srivatsan 2021-03-30
10505206 Coatings for SOFC metallic interconnects Tad Armstrong, James Wilson, Harald Herchen, Manoj Pillai 2019-12-10
9993874 Composition and processing of metallic interconnects for SOFC stacks Rohith Shivanath, Brendan Ayre, Tad Armstrong, Michael Gasda, Harald Herchen +3 more 2018-06-12
9958406 Method of measurement and estimation of the coefficient of thermal expansion in components Cheng-Yu Lin, Michael Groesch, Harald Herchen, Vijay Srivatsan 2018-05-01
9673457 Interconnect and end plate design for fuel cell stack Vijay Srivatsan, Michael Groesch, Matthias Gottmann, Ram Ramanan, Paturi Balaji Narasimha Prasad +3 more 2017-06-06
9570769 Fuel cell interconnect Stephen Couse, Harald Herchen, Chockkalingam Karuppaiah 2017-02-14
9478812 Interconnect for fuel cell stack Avinash Verma, Stephen Couse, Tad Armstrong 2016-10-25
9468736 Fuel cell interconnect with reduced voltage degradation over time Tad Armstrong, Vijay Srivatsan, Harald Herchen, Cheng-Yu Lin 2016-10-18
9452475 Coatings for SOFC metallic interconnects Tad Armstrong, James Wilson, Harald Herchen, Manoj Pillai 2016-09-27
9368810 Interconnect and end plate design for fuel cell stack Vijay Srivatsan, Matthias Gottmann, Ram Ramanan, Paturi Balaji Narasimha Prasad, Ramesha Guntanur 2016-06-14
9368809 Interconnect and end plate design for fuel cell stack Paturi Balaji Narasimha Prasad, Ramesha Guntanur, Ananda Sundararajan, Natarajan Ramanan 2016-06-14
9196909 Fuel cell interconnect heat treatment method Harald Herchen, Chockkalingam Karuppaiah, Ravi Oswal, Shivanand I. Majagi 2015-11-24
8962219 Fuel cell interconnects and methods of fabrication Stephen Couse, Harald Herchen, Chockkalingam Karuppaiah 2015-02-24
8470491 PEM fuel cell stack hydrogen distribution insert Daniel P. Miller, Anthony G. Chinnici, Steven G. Goebel, Gary M. Robb, Clipson M. Class 2013-06-25 $5,544,000
8133624 Fuel cell module design for robust pressure measurements in freezing conditions Mark T. Schluentz, Steven L. Piedmont 2012-03-13 $18,613,000
7955744 Method for fuel cell start-up with uniform hydrogen flow Jon R. Sienkowski, Balasubramanian Lakshmanan, John P. Salvador 2011-06-07 $8,951,000
7718298 Bifurcation of flow channels in bipolar plate flowfields Thomas W. Tighe, Jon P. Owejan, Pinkhas A. Rapaport, Jeffrey A. Rock, Thomas A. Trabold 2010-05-18
7270909 Bipolar plate having offsets Matthew J. Beutel 2007-09-18 $13,561,000