Registered entities
Keystone Tower Systems, Inc.
Reg. No. 264367189United States
Innovation
10 patent families (10 granted) — focus: Operations & transport, Construction, Mechanical engineering; filing pace slowing. Cited 2,821 times.
| Year | Filings |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 2 |
Investor mix
5 investors on record; lead investors include Finindus.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 2 | 40% |
| Accelerator & incubator | 1 | 20% |
| Other / undisclosed | 2 | 40% |