Callidus Technologies, L.L.C.
9Patents
3Active
9Granted
37Portfolio score
Filing activity: May 1, 1991 → Jun 11, 2008 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5073105A | Low NO.sub.x burner assemblies | Mechanical Engineering; Lighting; Heating | 132 | Expired |
| US6149137A | Method and apparatus for quenching hot flue gases | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5797332A | Closed loop gasification drying system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6875008B1 | Lean pre-mix low NOx burner | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7399458B1 | Fired equipment with catalytic converter and method of operating same | Emerging Cross-Sectional Technologies | 14 | Active |
| US5649820A | Flare burner | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8017084B1 | Ammonia injection grid for a selective catalytic reduction system | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US7638107B1 | Multi-bed selective catalytic reduction system | Performing Operations; Transporting | 9 | Active |
| US5480475A | Vapor recovery system | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.