Wolf Steel Ltd.
10Patents
6Active
10Granted
39Portfolio score
Filing activity: Jul 30, 1992 → Mar 5, 2021 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5307801A | Zero clearance fireplace | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5303693A | Summer damper for fireplace | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| USD692542S1 | Furnace cabinet panel | General | 8 | Active |
| USD417497S | Gas appliance vent adapter | General | 6 | Expired |
| USD540456S1 | Fireplace or stove door | General | 4 | Expired |
| US11624506B2 | Smart glass for a fireplace | Physics | 0 | Active |
| US11976821B2 | Control system for a fuel burning appliance and a method of operating such an appliance | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11499718B2 | Igniter valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11859826B2 | Low profile termination cap for direct vent appliance | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10739014B2 | System and method to cool an exposed surface of an appliance | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.