Hovalwerk AG
4Patents
2Active
4Granted
33Portfolio score
Filing activity: Nov 25, 2003 → Jul 25, 2011 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6990964B2 | Apparatus for regulating the gas/air ration for a pre-mixing combustion device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7571900B2 | Method and device for cooling circulating air | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9052108B2 | Premixing combustion device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8038129B2 | Method and device for cooling circulating air | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.