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

Jonathan Acker — 7 Patents in 2019

Rolls-Royce Plc: 7 patents #9 of 270Top 4%
RARolls-Royce North America: 2 patents #30 of 147Top 25%
Indianapolis, IN: #14 of 538 inventorsTop 3%
Indiana: #69 of 3,883 inventorsTop 2%
Overall (2019): #18,250 of 560,194Top 4%
7 Patents 2019

Issued Patents 2019

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10508660 Apparatus and method for positioning a variable vane Christopher D. Hall, Russell E. White, Lyle Helvie 2019-12-17
10458429 Impeller shroud with slidable coupling for clearance control in a centrifugal compressor Michael Nesteroff, Jeffrey Crutchfield, Nate Cooper, Mark E. Whitlock, Nathan Ottow 2019-10-29
10408226 Segregated impeller shroud for clearance control in a centrifugal compressor Nathan Ottow, Nate Cooper, Mark E. Whitlock, Michael Nesteroff 2019-09-10
10352329 Impeller shroud with thermal actuator for clearance control in a centrifugal compressor Michael Nesteroff, Nate Cooper, Nathan Ottow 2019-07-16
10309410 Impeller shroud with deflecting outer member for clearance control in a centrifugal compressor Nathan Ottow, Nate Cooper 2019-06-04
10309409 Impeller shroud with pneumatic piston for clearance control in a centrifugal compressor Michael Nesteroff, Jeffrey Crutchfield, Nathan Ottow 2019-06-04
10267328 Rotor structure for rotating machinery and method of assembly thereof Joseph Kondratek, Guy Gualtieri 2019-04-23