Molycorp, Inc.
🏢 View company profile →7Patents
1Active
7Granted
32Portfolio score
Filing activity: Aug 22, 1974 → Jul 27, 2005 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6925924B2 | Method and apparatus to improve perforating effectiveness using a unique multiple point initiated shaped charge perforator | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US7338603B1 | Process using rare earths to remove oxyanions from aqueous streams | Chemistry; Metallurgy | 16 | Active |
| US4108645A | Preparation of rare earth and other metal alloys containing aluminum and silicon | Chemistry; Metallurgy | 7 | Expired |
| US4161400A | Methods of desulphurizing fluid materials | Chemistry; Metallurgy | 5 | Expired |
| US4084960A | Methods of desulphurizing iron and steel and gases, such as stack gases and the like | Chemistry; Metallurgy | 4 | Expired |
| US4004919A | Method and apparatus for treating metal | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4224058A | Methods of desulphurizing fluid materials | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.