Rhode Island ranks #35 among US states for total patents filed in 2021, with 1,261 patents from 654 inventors across 55 cities. On a per-capita basis that is 1.1 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Rhode Island 2021
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Providence, RI | 237 | 161 |
| #2 | Apponaug, RI | 123 | 15 |
| #3 | East Greenwich, RI | 102 | 63 |
| #4 | Barrington, RI | 59 | 26 |
| #5 | Fresno Street, RI | 51 | 29 |
| #6 | Cumberland, RI | 50 | 27 |
| #7 | Central Falls, RI | 40 | 21 |
| #8 | West Warwick, RI | 37 | 15 |
| #9 | Lincoln, RI | 37 | 12 |
| #10 | Wakefield, RI | 33 | 20 |
| #11 | Saunderstown, RI | 32 | 6 |
| #12 | Wickford, RI | 31 | 15 |
| #13 | Smithfield, RI | 29 | 7 |
| #14 | Portsmouth, RI | 28 | 18 |
| #15 | Newport, RI | 28 | 19 |
| #16 | Olneyville, RI | 25 | 7 |
| #17 | Greene, RI | 23 | 5 |
| #18 | Woonsocket, RI | 20 | 13 |
| #19 | Charlestown, RI | 20 | 4 |
| #20 | West Greenwich, RI | 18 | 13 |
| #21 | Westerly, RI | 16 | 10 |
| #22 | West Kingston, RI | 14 | 3 |
| #23 | Middletown, RI | 14 | 11 |
| #24 | Chepachet, RI | 13 | 6 |
| #25 | Bristol, RI | 12 | 12 |