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

Dave R. Hanna — 9 Patents

Ford: 9 patents #1,999 of 17,473Top 15%
Troy, MI: #389 of 2,712 inventorsTop 15%
Michigan: #10,673 of 86,293 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Dave R. Hanna has been granted 9 US patents while listed as an inventor at Ford. The first was granted in 2012 and the most recent in October 2021. Dave R. Hanna ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Dave R. Hanna in Troy, MI, US.

Patents per Year

Patents granted per year, 2012 to 2021Bar chart with a peak of 2 patents in 2016.peak 22012: 1 patents20122013: 1 patents20132014: 1 patents20142016: 2 patents20162018: 2 patents20182019: 1 patents20192021: 1 patents2021

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11143207 Axial thrust loading mitigation in a turbocharger Harold Huimin Sun, Leon Hu, Jianwen James Yi, Eric Warren Curtis 2021-10-12 $18,998,000
10415599 Axial thrust loading mitigation in a turbocharger Harold Huimin Sun, Leon Hu, Jianwen James Yi, Eric Warren Curtis 2019-09-17
10113476 Hydraulic turbocharged engine with automatic start-stop Brien Lloyd Fulton 2018-10-30 $3,790,000
10107296 Turbocharger systems and method to prevent compressor choke Harold Huimin Sun, Thomas Polley, Liangjun Hu, Daniel William Kantrow 2018-10-23 $3,167,000
9267427 Variable geometry turbine vane Harold Huimin Sun, Liangjun Hu, Ben Zhao 2016-02-23 $5,835,000
9243551 Control strategy for decreasing resonance in a turbocharger Harold Huimin Sun, Yong Shu, Tim Schram 2016-01-26 $5,043,000
8919119 Sliding vane geometry turbines Harold Huimin Sun, Jizhong Zhang, Liangjun Hu 2014-12-30 $9,827,000
8517664 Turbocharger Harold Huimin Sun, Jizhong Zhang, Liangjun Hu, Eric M. Krivitzky, Louis M. Larosiliere +1 more 2013-08-27 $17,660,000
8312718 Control strategy for decreasing resonance in a turbocharger Harold Huimin Sun, Yong Shu, Tim Schram 2012-11-20 $15,354,000