Assignee
SHI APD CRYOGENICS INC
US·6 granted patents·77 citations·filing 2000–2006
Top patents by PatentIndex Score
6 records- 0187US6629418B1Two-stage inter-phasing pulse tube refrigerators with and without shared buffer volumesSHI APD CRYOGENICS INC·Filed 2002·Granted Oct 7, 2003·46 cites·11 claims
- 0278US6488120B1Fail-safe oil lubricated helium compressor unit with oil-free gas deliverySHI APD CRYOGENICS INC·Filed 2000·Granted Dec 3, 2002·22 cites·12 claims
- 0375US7568351B2Multi-stage pulse tube with matched temperature profilesSHI APD CRYOGENICS INC·Filed 2006·Granted Aug 4, 2009·5 cites·22 claims
- 0457US6554103B2Fail-safe oil lubricated helium compressor unit with oil-free gas deliverySHI APD CRYOGENICS INC·Filed 2002·Granted Apr 29, 2003·4 cites·6 claims
- 0537US7305835B2Pulse tube cooling by circulation of buffer gasSHI APD CRYOGENICS INC·Filed 2003·Granted Dec 11, 2007·0 cites·8 claims
- 0636US7165406B2Integral pulse tube refrigerator and cryopumpSHI APD CRYOGENICS INC·Filed 2003·Granted Jan 23, 2007·0 cites·17 claims
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