Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Douglas Dombrowski — 5 Patents

Delphi Technologies: 5 patents #650 of 4,124Top 20%
Troy, MI: #634 of 2,712 inventorsTop 25%
Michigan: #18,552 of 86,293 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Douglas Dombrowski has been granted 5 US patents while listed as an inventor at Delphi Technologies. The first was granted in 2002 and the most recent in October 2003. Douglas Dombrowski ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Douglas Dombrowski in Troy, MI, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6637157 Vehicle liftgate power operating system Joseph M. Johnson, Howard W. Kuhlman, Michael G Wygle 2003-10-28 $1,083,000
6550839 Vehicle pivoting closure power operating assembly Lloyd Walker Rogers, Jr., Ann McCarthy-Garland, Theodore Lindsay, Ian Martin, Howard W. Kuhlman +1 more 2003-04-22 $2,924,000
6453614 Vehicle liftgate power operating system Lloyd Walker Rogers, Jr., Howard W. Kuhlman 2002-09-24 $1,004,000
6425205 Vehicle liftgate power operating system Michael G Wygle, Ian Martin, Howard W. Kuhlman 2002-07-30 $9,288,000
6378392 Non binding power actuator drive assembly Howard W. Kuhlman, Lloyd Walker Rogers, Jr., Michael G Wygle 2002-04-30 $4,823,000