{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Sunpower", "item": "https://www.patentleaderboard.com/company/sunpower"}, {"@type": "ListItem", "position": 3, "name": "David DeGraaff", "item": "https://www.patentleaderboard.com/inventor/fl:da_ln:degraaff-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DD

David DeGraaff — 27 Patents

SUSunpower: 9 patents #76 of 453Top 20%
MEMainspring Energy: 8 patents #6 of 30Top 20%
MPMaxeon Solar Pte.: 4 patents #29 of 129Top 25%
ASAreva Solar: 2 patents #4 of 17Top 25%
INIntuit: 2 patents #751 of 2,496Top 35%
ETEtagen: 1 patents #10 of 13Top 80%
Mountain View, CA: #710 of 11,022 inventorsTop 7%
California: #19,967 of 386,348 inventorsTop 6%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
David DeGraaff has been granted 27 US patents while listed as an inventor at Sunpower. The first was granted in 2010 and the most recent in October 2025. David DeGraaff ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list David DeGraaff in Mountain View, CA, US.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 4 patents in 2023.peak 42010: 1 patents20102012: 1 patents2014: 2 patents20142015: 3 patents2017: 1 patents20172019: 1 patents2020: 3 patents20202021: 2 patents2022: 3 patents20222023: 4 patents2024: 3 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12445029 Linear electromagnetic machine with a stator having stator teeth arranged to provide an anti-clocking force John Lawler, John Powers, Scott Coakley, Alan Crapo, Christopher Gadda +5 more 2025-10-14
12317610 Solar panel Tamir Lance, Nathan Beckett, Gilad Almogy 2025-05-27
12255514 Systems and methods for flexure-based bearing mounting John Lawler, Neil Watters, Samuel Sherman, Matthew Svrcek 2025-03-18
12057806 Diode-included connector, photovoltaic laminate and photovoltaic assembly using same Adam Detrick 2024-08-06
12027956 Integrated linear generator system Matt Svrcek, Kevin Walters, Cameron Wylie, John Powers, John Lawler +3 more 2024-07-02
11976730 Manifold interface seal Kevin Walters, Michael BUCHMAN, Cameron Wylie, Kaley Boyce, John Laporga 2024-05-07
11750065 Integrated linear generator system Matt Svrcek, Kevin Walters, Cameron Wylie, John Powers, John Lawler +3 more 2023-09-05
11695086 Shingled solar cells overlapping along non-linear edges Nathaniel Caswell, Maritza Ruiz, Tamir Lance, Nathan Beckett 2023-07-04
11621362 Solar panel Tamir Lance, Nathan Beckett, Gilad Almogy 2023-04-04 $28,563,000
11616428 Linear electromagnetic machine system John Lawler, John Powers, Scott Coakley, Alan Crapo, Christopher Gadda +5 more 2023-03-28
11404937 Integrated linear generator system Matt Svrcek, Kevin Walters, Cameron Wylie, John Powers, John Lawler +3 more 2022-08-02
11316057 Shingled solar cells overlapping along non-linear edges Nathaniel Caswell, Maritza Ruiz, Tamir Lance, Nathan Beckett 2022-04-26 $22,822,000
11236827 Piston-integrated gap cover Matt Svrcek 2022-02-01
11056997 Universal photovoltaic laminate 2021-07-06 $101,075,000
10985641 Linear electromagnetic machine system with bearing housings having pressurized gas John Lawler, John Powers, Scott Coakley, Alan Crapo, Christopher Gadda +5 more 2021-04-20
10833214 Solar panel Tamir Lance, Nathan Beckett, Gilad Almogy 2020-11-10 $59,556,000
10804698 Device and method for electrically decoupling a solar module from a solar system 2020-10-13 $10,507,000
10741703 Shingled solar cells overlapping along non-linear edges Nathaniel Caswell, Maritza Ruiz, Tamir Lance, Nathan Beckett 2020-08-11 $17,976,000
10465795 Piston-integrated gap cover Matt Svrcek 2019-11-05
9742190 Device and method for electrically decoupling a solar module from a solar system 2017-08-22 $9,467,000
9083121 Diode-included connector, photovoltaic laminate and photovoltaic assembly using same Adam Detrick 2015-07-14 $16,082,000
9022020 Linear Fresnel solar arrays and drives therefor David R. Mills, Philipp Schramek, Peter L. Johnson, Alexander F. Hoermann, Lars Johnson 2015-05-05
8963375 Device and method for electrically decoupling a solar module from a solar system 2015-02-24 $7,018,000
8809671 Optoelectronic device with bypass diode Ryan Linderman, Doug Rose, Nicholas Boitnott, Keith Johnston 2014-08-19 $52,726,000
8807128 Linear fresnel solar arrays David R. Mills, Philipp Schramek, Peter Le Lievre, Peter L. Johnson, Alexander F. Hoermann 2014-08-19