Registered entities
PLUG POWER INC
Reg. No. 1093691United States
Innovation
87 patent families (62 granted) — focus: Electricity & electronics, Chemistry & metallurgy, Mechanical engineering, Operations & transport; filing pace accelerating. Cited 1,341 times.
| Year | Filings |
|---|---|
| 2013 | 2 |
| 2014 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 14 |
| 2024 | 21 |
| 2025 | 24 |
| 2026 | 2 |
Social engagement
Social engagement: 115.9K social following, 7 posts in the last 12 months — below the industry typical range.
Investor mix
16 investors on record.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 8 | 50% |
| Bank & private debt | 2 | 13% |
| Other / undisclosed | 6 | 38% |
Hiring activity
Hires continuously
35 roles tracked across 11 of the last 12 months
5 Sep 2026 · Sr. Principal Process Engineer · All India
15 Aug 2026 · Principal Process Engineer (Pune) · Pune
26 Jul 2026 · Principal Process Engineer (Pune Division) · Pune
23 Jun 2026 · Project Procurement Lead · All India
13 Jun 2026 · Sr. Civil & Structural Engineer · Pune, Maharashtra, India
Based on job postings tracked across public sources.
Recent activity
30 Jun 2026
Recognition
29 Jun 2026
Milestone
regulatory
24 Jun 2026
Expansion
Denmark