Innovation
7 patent families (4 granted) — focus: Chemistry & metallurgy, Human necessities; filing pace slowing. Cited 248 times.
| Year | Filings |
|---|---|
| 2014 | 2 |
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Investor mix
8 investors on record; lead investors include St. Louis Arch Angels.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 5 | 63% |
| Angel & family office | 1 | 13% |
| Other / undisclosed | 2 | 25% |