Delaware 1997

801 patents  ·  552 inventors  ·  25 cities  ·  1.0/1k pop.

Ranked #31 of 54 US states Top 60%

Top Cities in Delaware 1997

Rank City Patents Inventors
#1 Wilmington, DE 404 284
#2 Newark, DE 179 124
#3 Krefeld, DE 159 93
#4 Essen, DE 98 73
#5 Hockessin, DE 82 50
#6 Heidelberg, DE 76 59
#7 Jena, DE 65 51
#8 Hannover, DE 56 47
#9 Middletown, DE 27 17
#10 New Castle, DE 17 15
#11 Marydel, DE 17 1
#12 Dover, DE 13 12
#13 Bear, DE 12 11
#14 Seaford, DE 11 10
#15 Blagdon, DE 10 1
#16 Claymont, DE 8 6
#17 Eindhoven, DE 5 1
#18 Nonatum Mills, DE 5 4
#19 Waterloo, DE 5 1
#20 Centreville, DE 5 1
#21 Freiburg (Elbe), DE 4 2
#22 Ludwigshafen am Rhein, DE 4 1
#23 Smyrna, DE 3 2
#24 Lewes, DE 3 2
#25 Milford, DE 3 3

Top Inventors in Delaware 1997

Rank Inventor City Company Patents
1 Michael D. Potter Marydel Advanced Vision Technologies 17
2 John W. Dolan Hockessin W.L. Gore & Associates Gmbh 8
3 Daniel D. Friel, Sr. Wilmington Edgecraft 7
#4 Michael K. Aghajanian Wilmington Lanxide Technology 6
#4 Thomas Martin Stevenson Newark E.I. Du Pont De Nemours And 6
#4 William S. Carey Wilmington Betz Laboratories 6
#7 Christopher R. Kennedy Newark Lanxide Technology 5
#7 Thomas R. Dean Wilmington Alcon Laboratories 5
#7 Dimitri Zafiroglu Centreville E.I. Du Pont De Nemours And 5
#7 Alan E. Goliaszewski Hockessin GE 5
#7 Douglas Robert Anton Wilmington E.I. Du Pont De Nemours And 5
#7 Glenn S. Shealy Hockessin E.I. Du Pont De Nemours And 5
#7 George Philip Lahm Wilmington E.I. Du Pont De Nemours And 5
#14 William H. Tuminello Newark E.I. Du Pont De Nemours And 4
#14 James A. Jensen Hockessin Lanxide Technology 4
#14 James F. Russell Hockessin Electronic Payment Services 4
#14 Akimichi Yokozeki Wilmington E.I. Du Pont De Nemours And 4
#14 Robert L. Sassa Newark W.L. Gore & Associates Gmbh 4
#14 Marc S. Newkirk Newark Lanxide Technology 4
#14 William Charles Ripka Wilmington Corvas International 4
#14 Michael E. Pierce Wilmington Intel 4
#14 Gordon L. McGregor Wilmington W.L. Gore & Associates Gmbh 4
#14 David R. Wooten, Jr. Middletown Monsanto Technology 4
#14 Tuneen E. C. Chisolm Newark E.I. Du Pont De Nemours And 4
#14 Cyrus J. Ohnmacht Wilmington ICI 4

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