Praxair, Inc.
5Patents
0Active
5Granted
31Portfolio score
Filing activity: Dec 17, 1992 → Apr 3, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5428555A | Facility and gas management system | Physics | 92 | Expired |
| US5413625A | Mixed ion-exchanged zeolites and processes for the use thereof in gas separations | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6125133A | Lance/burner for molten metal furnace | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6334330B1 | Impingement cooler | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6551805B2 | Fermentation method for producing high concentration carbon dioxide product | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.