Inventor · Columbus, IN, US

J. Stephen Wills

24Patents
6h-index
31Co-inventors
69Inventor score

Filing activity: Jun 24, 2004 → Sep 26, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9182764B1 Apparatus and method for grouping vehicles for cooperative driving Physics 86 Active
US7067319B2 System for diagnosing reagent solution quality and emissions catalyst degradation Emerging Cross-Sectional Technologies 50 Expired
US10094308B2 System, method, and apparatus for improving the performance of an operator of a vehicle Emerging Cross-Sectional Technologies 25 Active
US9650042B2 Systems and methods for route planning Physics 10 Active
US7831378B2 System and method for estimating NOx produced by an internal combustion engine Mechanical Engineering; Lighting; Heating 7 Active
US9551993B2 Apparatus and method for grouping vehicles for cooperative driving Physics 6 Active
US8671666B2 System and apparatus for enhancing exhaust aftertreatment startup emissions control Emerging Cross-Sectional Technologies 5 Active
US8516806B2 Control of aftertreatment regeneration in a hybrid powered vehicle Emerging Cross-Sectional Technologies 3 Active
US11067014B2 System and method for reducing engine knock Emerging Cross-Sectional Technologies 2 Active
US11199142B2 System, method, and apparatus for driver optimization Mechanical Engineering; Lighting; Heating 2 Active
US8783017B2 System, method, and apparatus to engage alternate reductant in a NOx reduction system Emerging Cross-Sectional Technologies 2 Active
US9057309B2 System and apparatus for enhancing exhaust aftertreatment startup emissions control Emerging Cross-Sectional Technologies 2 Active
US11213773B2 Genuine filter recognition with filter monitoring system Physics 2 Active
US10030593B2 System and method for detecting air fuel ratio imbalance Physics 2 Active
US10001070B2 Multi-fuel engine controls including multi-factor cost optimization Emerging Cross-Sectional Technologies 1 Active
US9243541B2 Control of aftertreatment regeneration in a hybrid powered vehicle Emerging Cross-Sectional Technologies 1 Active
US11772673B2 Systems and methods to issue warnings to enhance the safety of bicyclists, pedestrians, and others Electricity 1 Active
US11209567B2 System, method, and for improving oilfield operations Physics 1 Active
US10024253B2 System and method for reducing engine knock Emerging Cross-Sectional Technologies 1 Active
US11113774B2 System, method, and apparatus for individual innovator marketing and recognition Physics 0 Active
US12330672B2 Systems and methods to issue warnings to enhance the safety of bicyclists, pedestrians, and others Electricity 0 Active
US12297787B2 System, method, and apparatus for driver optimization Emerging Cross-Sectional Technologies 0 Active
US11598277B2 System and method for reducing engine knock Emerging Cross-Sectional Technologies 0 Active
US9851722B2 Apparatus and method for grouping vehicles for cooperative driving Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.