Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Townsend, DE ranks #8,723 worldwide for total patents filed all time, with 244 patents from 36 inventors. Leading employers of inventors based in Townsend, DE include Apple, Dade Behring, Siemens Healthcare Diagnostics. That works out to 89.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–36 of 36 inventors

Rank Inventor Primary Company Patents
1 John Greer Elias Apple 117
2 Peter Louis Gebrian Dade Behring 23
3 Mark Lloyd Siemens Healthcare Diagnostics 18
#4 Robert P. Saltman Advanced Cardiovascular Systems 15
#5 James Timothy Cronin E.I. Du Pont De Nemours And 7
#5 Steven R. MacKara E.I. Du Pont De Nemours And 7
#7 Robert Duncan Dickinson 5
#7 Francis S. Bryan ExxonMobil 5
#9 Kenneth E. Reese Metal Masters Foodservice Equipment Co. 4
#10 Lewis Robert Jewell The Chemours Company Fc 3
#10 Erin Michelle Perry JPMorgan Chase 3
#10 Todd J. Savidge E.I. Du Pont De Nemours And 3
#10 John P. Zikakis University Of Delaware 3
#10 Nathaniel W. Wolfe, II 3
#15 Claude H. Bou-Abboud Comcast 2
#15 David F. Kristunas E.I. Du Pont De Nemours And 2
#15 Michael John Blatteau, Jr. Bank of America 2
#15 Carl L. Kishbaugh Axalta Coating Systems Ip Co. 2
#15 Rebecca L. Durney Cronin Reichhold Chemicals 2
#15 Kathleen R. Driskill W.L. Gore & Associates Gmbh 2
#21 James H. Cameron, Jr. JPMorgan Chase 1
#21 Josephe James Keenan E.I. Du Pont De Nemours And 1
#21 Steve Mackara E.I. Du Pont De Nemours And 1
#21 Peter Borman Kinney Digital Dream Labs 1
#21 Noah A. Nichelson 1
#21 Ronald Angelo 1
#21 Trevor McGuire JPMorgan Chase 1
#21 Geoff Aaron Grantland 1
#21 Tim Oliphant Metal Masters Foodservice Equipment Co. 1
#21 Herbert Marti Comcast 1
#21 Kevin P. Poffenberger Capital One Services 1
#21 Marina Adamich-Saltman 1
#21 Benjamin Van Druff 1
#21 Jeffrey Benedict Rohm And Haas Electronic Materials Cmp Holdings 1
#21 Charles J. Benedict Rohm And Haas Electronic Materials Cmp Holdings 1
#21 Troy Frederick Brenner GE 1

Part of Delaware