CROWN TECH LLC
9Patents
2Active
9Granted
30Portfolio score
Filing activity: Feb 2, 1984 → Jul 22, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4572229A | Variable proportioner | Emerging Cross-Sectional Technologies | 71 | Expired |
| USD910604S1 | Microphone isolation shield | General | 15 | Active |
| USD905022S1 | Microphone isolation shield | General | 12 | Active |
| US5433240A | Low-ratio proportioner | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6530530B1 | Decorative fountain | Performing Operations; Transporting | 7 | Expired |
| US5821212A | Rinse aid and process for stainless steel | Chemistry; Metallurgy | 6 | Expired |
| US5384064A | Hydrochloric acid pickling accelerator | Chemistry; Metallurgy | 4 | Expired |
| US6525010B2 | Composition and associated method for inhibiting stain formation on a ferrous metal surface | Chemistry; Metallurgy | 3 | Expired |
| US6448211B1 | Composition and associated method for inhibiting stain formation on a ferrous metal surface | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.