Delaware ranks #38 among US states for total patents filed in 2018, with 1,004 patents from 598 inventors across 30 cities. On a per-capita basis that is 1.0 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Delaware 2018
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Wilmington, DE | 363 | 214 |
| #2 | Newark, DE | 194 | 138 |
| #3 | Hockessin, DE | 107 | 63 |
| #4 | Middletown, DE | 76 | 25 |
| #5 | Nonatum Mills, DE | 57 | 33 |
| #6 | Bear, DE | 51 | 37 |
| #7 | Dover, DE | 49 | 26 |
| #8 | Townsend, DE | 20 | 7 |
| #9 | New Castle, DE | 16 | 11 |
| #10 | Claymont, DE | 12 | 3 |
| #11 | Smyrna, DE | 9 | 5 |
| #12 | Lewes, DE | 7 | 5 |
| #13 | Clayton, DE | 6 | 3 |
| #14 | Marydel, DE | 4 | 1 |
| #15 | Millsboro, DE | 4 | 4 |
| #16 | Montchanin, DE | 3 | 1 |
| #17 | Georgetown, DE | 3 | 1 |
| #18 | Newport, DE | 3 | 2 |
| #19 | Rehoboth Beach, DE | 3 | 3 |
| #20 | Seaford, DE | 3 | 3 |
| #21 | Odessa, DE | 2 | 2 |
| #22 | Milton, DE | 2 | 1 |
| #23 | Wyoming, DE | 2 | 2 |
| #24 | Bethany Beach, DE | 2 | 2 |
| #25 | Sabarto East, DE | 1 | 1 |