Prolong Systems, Inc.
6Patents
0Active
6Granted
27Portfolio score
Filing activity: Feb 28, 1992 → May 10, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5355781A | Controlled atmosphere storage system | Performing Operations; Transporting | 39 | Expired |
| US6092430A | Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container | Physics | 37 | Expired |
| US5623105A | Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container | Physics | 36 | Expired |
| US5332547A | Controlled atmosphere storage container | Performing Operations; Transporting | 32 | Expired |
| US5437837A | Controlled atmosphere storage container | Performing Operations; Transporting | 19 | Expired |
| US5244363A | Low blow-by compressor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.