Hayden, Inc.
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Jan 29, 1982 → Aug 23, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4991643A | Heat exchanger with internal bypass valve | Emerging Cross-Sectional Technologies | 21 | Expired |
| USD275884S | Fan blade | General | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.