Rhode Island ranks #39 among US states for total patents filed all time, with 30,886 patents from 6,211 inventors across 70 cities. On a per-capita basis that is 28.1 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Rhode Island All Time
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Providence, RI | 6,412 | 1,397 |
| #2 | East Greenwich, RI | 2,882 | 687 |
| #3 | Barrington, RI | 1,825 | 323 |
| #4 | Apponaug, RI | 1,563 | 60 |
| #5 | Portsmouth, RI | 1,216 | 296 |
| #6 | Cumberland, RI | 1,202 | 237 |
| #7 | Fresno Street, RI | 1,144 | 252 |
| #8 | Wakefield, RI | 1,027 | 139 |
| #9 | Lincoln, RI | 713 | 137 |
| #10 | West Greenwich, RI | 677 | 162 |
| #11 | Central Falls, RI | 662 | 197 |
| #12 | West Warwick, RI | 658 | 120 |
| #13 | Newport, RI | 658 | 184 |
| #14 | Bristol, RI | 600 | 144 |
| #15 | Smithfield, RI | 545 | 76 |
| #16 | Westerly, RI | 493 | 131 |
| #17 | Saunderstown, RI | 488 | 45 |
| #18 | Woonsocket, RI | 483 | 99 |
| #19 | Charlestown, RI | 482 | 49 |
| #20 | Johnston, RI | 457 | 131 |
| #21 | Narragansett, RI | 398 | 108 |
| #22 | Middletown, RI | 394 | 111 |
| #23 | South Kingstown, RI | 393 | 63 |
| #24 | Jamestown, RI | 358 | 69 |
| #25 | 47th Avenue Court, RI | 355 | 56 |