David & Baader DBK
4Patents
0Active
4Granted
26Portfolio score
Filing activity: May 2, 1985 → Mar 8, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4814584A | Profiled PCT heater for heating a tubular member | Electricity | 30 | Expired |
| US5990459A | System for controlling a plurality of resistive heating elements | Physics | 18 | Expired |
| USD296239S | Baby feeding bottle sterilizer or similar article | General | 15 | Expired |
| US6402943B1 | Diesel filter system | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.