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USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Boardman — 11 Patents

GE: 11 patents #3,022 of 36,430Top 9%
Saratoga, CA: #794 of 2,933 inventorsTop 30%
California: #56,011 of 386,348 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Charles E. Boardman has been granted 11 US patents while listed as an inventor at GE. The first was granted in 1990 and the most recent in March 2005. Charles E. Boardman ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Charles E. Boardman in Saratoga, CA, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6862330 Systems and methods of producing hydrogen using a nuclear reactor Allen E. Dubberley 2005-03-01 $37,373,000
6519308 Corrosion mitigation system for liquid metal nuclear reactors with passive decay heat removal systems 2003-02-11 $50,319,000
5706320 Containment pressure suppression system for liquid metal cooled reactors Marvin M. Hui 1998-01-06 $63,940,000
5406602 Passive air cooling of liquid metal-cooled reactor with double vessel leak accommodation capability Anstein Hunsbedt 1995-04-11 $28,086,000
5223210 Passive cooling system for liquid metal cooled nuclear reactors with backup coolant flow path Anstein Hunsbedt 1993-06-29 $15,040,000
5190720 Liquid metal cooled nuclear reactor plant system Anstein Hunsbedt 1993-03-02 $15,285,000
5158741 Passive cooling system for top entry liquid metal cooled nuclear reactors Anstein Hunsbedt, Marvin M. Hui 1992-10-27 $12,835,000
5043136 Passive cooling safety system for liquid metal cooled nuclear reactors Anstein Hunsbedt, Marvin M. Hui, Robert C. Berglund 1991-08-27 $10,177,000
4983353 Novel passive approach to protecting the primary containment barrier formed by the intermediate heat exchanger from the effects of an uncontrolled sodium water reaction John P. Maurer 1991-01-08 $7,521,000
4959193 Indirect passive cooling system for liquid metal cooled nuclear reactors Anstein Hunsbedt 1990-09-25 $5,271,000
4905757 Compact intermediate heat transport system for sodium cooled reactor John P. Maurer 1990-03-06 $11,744,000