Assignee
D D I LTD
3 granted patents·55 citations·filing 1996–2000
Top patents by PatentIndex Score
3 records- 0175US6261528B1Hydrogen purification using metal hydride getter materialD D I LTD·Filed 2000·Granted Jul 17, 2001·16 cites·4 claims
- 0252US5833738ASpecialty gas purification systemD D I LTD·Filed 1996·Granted Nov 10, 1998·24 cites·8 claims
- 0351US5985007ANoble gas purifier with single purifier vessel and recuperative heat exchangerD D I LTD·Filed 1997·Granted Nov 16, 1999·15 cites·11 claims
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