Nitrotec Corporation
8Patents
0Active
8Granted
28Portfolio score
Filing activity: Mar 19, 1984 → May 15, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5792239A | Separation of gases by pressure swing adsorption | Emerging Cross-Sectional Technologies | 78 | Expired |
| US5906673A | Pressure swing system with auxiliary adsorbent bed | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5632803A | Enhanced helium recovery | Chemistry; Metallurgy | 42 | Expired |
| US4566282A | Method and apparatus for inerting transport containers | Performing Operations; Transporting | 28 | Expired |
| US5707425A | Helium recovery from higher helium content streams | Chemistry; Metallurgy | 22 | Expired |
| US5536300A | Natural gas enrichment process | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5542966A | Helium recovery | Chemistry; Metallurgy | 13 | Expired |
| US4560393A | Method of and arrangement for enriching the nitrogen content of an effluent gas in a pressure swing adsorption system | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.