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| Number | Title | Issue Date |
| 6092430 | Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container A controller for use in a system employing selective permeable membrane technology to maintain a controlled atmosphere within a refrigerated container. The controller is electrically interfaced to an oxygen and carbon dioxide sensing device which is dispo... | 07/25/2000 |
| 5623105 | Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container A controller for use in a system employing selective permeable membrane technology to maintain a controlled atmosphere within a refrigerated container. The controller is electrically interfaced to an oxygen and carbon dioxide sensing device which is dispo... | 04/22/1997 |
| 5437837 | Controlled atmosphere storage container The present invention is a device for maintaining a controlled atmosphere within a sealed container. The device is utilized to control the oxygen and the carbon dioxide levels within the container and utilizes permeable membrane technology to control such... | 08/01/1995 |
| 5355781 | Controlled atmosphere storage system The present invention is a system for maintaining a controlled oxygen atmosphere within a transport container vessel, such as a bulk rail car through the use of permeable membrane technology. An oilless compressor is used in conjunction with the system so... | 10/18/1994 |
| 5332547 | Controlled atmosphere storage container A device for maintaining a controlled atmosphere within a sealed container. The device is utilized to control the oxygen and the carbon dioxide levels within the container and utilizes permeable membrane technology to control such levels. An oilless compr... | 07/26/1994 |
| 5244363 | Low blow-by compressor A low blow-by compressor has a piston with at least one first ring disposed at the top end thereof and at least one second ring disposed at the bottom end thereof. A port is formed in the cylinder such that the port is above the second rings when the pist... | 09/14/1993 |
