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USPTO Patent Rankings Data through Dec 31, 2025
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Duane D. Kruger — 12 Patents

Delphi Technologies: 8 patents #350 of 4,124Top 9%
ENEnerdel: 2 patents #12 of 48Top 25%
General Motors: 2 patents #6,303 of 18,328Top 35%
Big Rapids, MI: #29 of 351 inventorsTop 9%
Michigan: #7,722 of 86,293 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Duane D. Kruger has been granted 12 US patents while listed as an inventor at Delphi Technologies. The first was granted in 2001 and the most recent in July 2018. Duane D. Kruger ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Duane D. Kruger in Big Rapids, MI, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10038173 Extruded battery enclosure joint configuration Randy C. Curtis, Randall S. Champagne, Stephen L. Gross 2018-07-31 $13,022,000
9997811 Battery heat exchange duct system Randall S. Champagne, Randy C. Curtis 2018-06-12 $11,223,000
9653748 Apparatus and method for securing battery cell packs Robert C. Beer, Brad Hanauer, Robert Thomas Wendling 2017-05-16
8469849 Hybrid vehicle system and controller 2013-06-25
8440337 Battery safety system 2013-05-14
8039139 Prismatic-cell battery pack with integral coolant passages Robert C. Beer 2011-10-18
7900812 Secure physical connections formed by a kinetic spray process Richard E. Teets, Thomas Hubert Van Steenkiste, Robert C. Beer 2011-03-08
7819700 Terminal connection apparatus for battery cells having foil terminals Robert C. Beer 2010-10-26
7469576 Method and apparatus for determining TDC for each cylinder of a multi-cylinder internal combustion engine 2008-12-30
7118827 Battery assembly and method of making same Robert C. Beer 2006-10-10
6577099 Method and apparatus for providing and storing power in a vehicle Georgette N. Young, Stephen W. Moore 2003-06-10 $2,610,000
6261123 Battery pack manual disconnect Georgette N. Young 2001-07-17 $8,454,000