Registered entities
Innovation
72 patent families (64 granted) — focus: Electricity & electronics, Physics & computing, Operations & transport, Emerging technologies; filing pace slowing. Cited 6,313 times.
| Year | Filings |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 12 |
| 2020 | 16 |
| 2021 | 21 |
| 2022 | 24 |
| 2023 | 24 |
| 2024 | 11 |
| 2025 | 15 |
| 2026 | 5 |
Social engagement
Social engagement: 24.5K social following, 10 posts in the last 12 months — below the industry typical range.
Investor mix
11 investors on record; lead investors include Lime Rock New Energy, RiverVest Venture Partners, BP Energy Partners.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 4 | 36% |
| Private equity | 2 | 18% |
| Bank & private debt | 1 | 9% |
| Other / undisclosed | 4 | 36% |
Hiring activity
Hires periodically
4 roles tracked across 4 of the last 12 months
10 Jun 2026 · Chief of Engineering · Durham
2 Mar 2026 · Senior Mechanical Engineer · Durham
16 Oct 2025 · Director of Testing · Durham
31 Jul 2025 · Staff Mechanical Engineer · Durham
Based on job postings tracked across public sources.
