BOC International Limited
6Patents
0Active
6Granted
27Portfolio score
Filing activity: Jun 14, 1974 → Jan 27, 1976
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4065272A | Oxygen-enriched air | Performing Operations; Transporting | 46 | Expired |
| US4039798A | Underwater welding | Performing Operations; Transporting | 30 | Expired |
| US4000227A | Dissolving gas in liquid | Emerging Cross-Sectional Technologies | 26 | Expired |
| US3933629A | Filtration | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4075869A | Cooling or freezing articles | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US3973712A | Underwater welding | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.