Venmar Ventilation Inc.
31Patents
7Active
31Granted
39Portfolio score
Filing activity: Dec 20, 1991 → Oct 17, 2013 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6209622A | Ventilation system | Emerging Cross-Sectional Technologies | 98 | Expired |
| USD366522S | Ventilator housing | General | 54 | Expired |
| USD496992S1 | Air ventilation grill | General | 45 | Expired |
| US7331376B2 | Stackable energy transfer core spacer | Emerging Cross-Sectional Technologies | 44 | Expired |
| USD638925S1 | Louvered ventilation grille | General | 43 | Expired |
| USD340109S | Ventilator housing | General | 42 | Expired |
| US5771707A | Unitary heat exchanger for the air-to-air transfer of water vapor and sensible heat | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US7458228B2 | Ventilation system | Emerging Cross-Sectional Technologies | 34 | Active |
| US7073566B2 | Ventilation system | Emerging Cross-Sectional Technologies | 32 | Expired |
| USD476073S1 | Housing for a ventilation unit | General | 27 | Expired |
| US6889750B2 | Ventilation system | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD547853S1 | Face of an air ventilation housing | General | 23 | Expired |
| USD464418S1 | Air inlet/exhaust port | General | 23 | Expired |
| USD704318S1 | Heat recovery air exchanger | General | 23 | Active |
| USD503689S1 | Face plate for a ventilation control unit | General | 20 | Expired |
| USD594956S1 | Front portion of a kitchen hood | General | 19 | Expired |
| US6855050B2 | Ventilation method and device | Emerging Cross-Sectional Technologies | 17 | Expired |
| USD635235S1 | Kitchen hood | General | 17 | Expired |
| USD361376S | Front portion of a kitchen hood | General | 15 | Expired |
| USD367319S | Front portion of a kitchen hood | General | 14 | Expired |
| US7533691B2 | Adjustable damper assembly | Emerging Cross-Sectional Technologies | 13 | Active |
| USD566822S1 | Kitchen hood | General | 10 | Expired |
| USD558322S1 | Kitchen hood | General | 10 | Expired |
| US6776704B2 | Exterior inlet/exhaust port | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7635296B2 | Air handling systems or devices intermingling fresh and stale air | Emerging Cross-Sectional Technologies | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.