Registered entities
Aqua Metals, Inc.
Reg. No. 1621832United States
AQUA METAL
Reg. No. 562381802United States
Innovation
16 patent families (9 granted) — focus: Chemistry & metallurgy, Electricity & electronics, Emerging technologies; filing pace slowing. Cited 1,619 times.
| Year | Filings |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 6 |
Social engagement
Social engagement: 4.7K social following, 9 posts in the last 12 months — above the industry median.
Investor mix
6 investors on record; lead investors include Liquid Venture Partners.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 1 | 17% |
| Private equity | 1 | 17% |
| Bank & private debt | 1 | 17% |
| Other / undisclosed | 3 | 50% |
Recent activity
11 Jun 2026
Partnership
DO-Funded Idaho National Laboratory Program Advancing Critical Minerals Refining
7 May 2026
Expansion
market
9 Apr 2026
Partnership
American Battery Factory Inc.