Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Seaford, DE ranks #7,325 worldwide for total patents filed all time, with 315 patents from 80 inventors. Leading employers of inventors based in Seaford, DE include E.I. Du Pont De Nemours And, Rich Sea-Pak, W.L. Gore & Associates Gmbh. That works out to 39.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 80 inventors

Rank Inventor Primary Company Patents
1 Joseph V. Kurian E.I. Du Pont De Nemours And 43
2 Perry H. Lin E.I. Du Pont De Nemours And 20
3 William T. Windley E.I. Du Pont De Nemours And 17
#4 Sundar Mohan Rao E.I. Du Pont De Nemours And 15
#5 Jerry F. Potter E.I. Du Pont De Nemours And 12
#6 John Stephen Locke E.I. Du Pont De Nemours And 11
#7 John S. Seney E.I. Du Pont De Nemours And 10
#7 Raymond Longhi E.I. Du Pont De Nemours And 10
#9 Kalika Ranjan Samant E.I. Du Pont De Nemours And 9
#10 Chandrakant S. Shah Rich Sea-Pak 8
#11 Elwood A. Roth E.I. Du Pont De Nemours And 7
#11 Gregory D. Cramer E.I. Du Pont De Nemours And 7
#13 Ralph W. Nugent E.I. Du Pont De Nemours And 6
#14 Robert H. LaPrad W.L. Gore & Associates Gmbh 5
#14 Ramdas Dujari E.I. Du Pont De Nemours And 5
#16 Vilas G. Bankar E.I. Du Pont De Nemours And 4
#16 Glenn Alan Schwinn E.I. Du Pont De Nemours And 4
#16 Nirmal K. Agarwal E.I. Du Pont De Nemours And 4
#16 Nitin J. Champaneria E.I. Du Pont De Nemours And 4
#16 Stephen Emerson Scarborough Ilc Dover Lp 4
#16 Gary Raymond West E.I. Du Pont De Nemours And 4
#16 Frederick K. Toy W.L. Gore & Associates Gmbh 4
#16 Roy T. Smoot, Jr. W.L. Gore & Associates Gmbh 4
#16 Robert D. Sauerbrunn E.I. Du Pont De Nemours And 4
#25 Lee W. Keene E.I. Du Pont De Nemours And 3
#25 Brian Kienitz Xergy 3
#25 Alfred H. Thompson, Jr. E.I. Du Pont De Nemours And 3
#25 John Burns E.I. Du Pont De Nemours And 3
#25 William Wilkinson Allegro Microsystems 3
#25 David E Hamilton, Jr. Guardtime Ip Holdings Limited 3
#25 Mengjie Chen Giner 3
#32 Howard C. Dege E.I. Du Pont De Nemours And 2
#32 Laura A. JAMES 2
#32 Richard J. Gott 2
#32 Scott Lester Davidson E.I. Du Pont De Nemours And 2
#32 George Sapna Ilc Dover Lp 2
#32 Christopher D. Esterson Cambridge Consultants Limited 2
#32 Donald William Gillespie E.I. Du Pont De Nemours And 2
#32 William J. Sewell E.I. Du Pont De Nemours And 2
#32 Maya D. Mills E.I. Du Pont De Nemours And 2
#32 Olga K. Penrod Maryland Plastics 2
#32 Ramunas L. Valteris E.I. Du Pont De Nemours And 2
#32 William Paul Parmelee E.I. Du Pont De Nemours And 2
#32 Amy Y. Purse Intervet 2
#32 Donald Hollenbeck 2
#32 Douglas A. Bloom Invista North America S.A.R.L. 2
#32 George A. Fernstrom E.I. Du Pont De Nemours And 2
#32 Robert R. Moneymaker E.I. Du Pont De Nemours And 2
#32 David E. Hiland E.I. Du Pont De Nemours And 2
#32 Harold H. Hebeler E.I. Du Pont De Nemours And 2

Part of Delaware