Ballard Generation Systems
6Patents
0Active
6Granted
28Portfolio score
Filing activity: Apr 24, 1997 → May 31, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5811065A | Burner exhaust gas collection assembly for a catalytic reformer | Chemistry; Metallurgy | 55 | Expired |
| US6316134A | Fuel cell electric power generation system | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5957667A | Oilless compressor with a pressurizable crankcase and motor containment vessel | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6372983B1 | Enclosure for electrical components installed in locations where a flammable gas or vapor is expected to be present | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6645652B2 | Fuel cell electric power generation system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6884533B2 | Utilization based power plant control system | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.