Assignee
APD CRYOGENICS INC
US·19 granted patents·846 citations·filing 1986–1997
Top patents by PatentIndex Score
19 records- 0191US5337572ACryogenic refrigerator with single stage compressorAPD CRYOGENICS INC·Filed 1993·Granted Aug 16, 1994·76 cites·16 claims
- 0290US5461873AMeans and apparatus for convectively cooling a superconducting magnetAPD CRYOGENICS INC·Filed 1993·Granted Oct 31, 1995·73 cites·34 claims
- 0385US5452582ACryo-probeAPD CRYOGENICS INC·Filed 1994·Granted Sep 26, 1995·321 cites·14 claims
- 0484US5425890ASubstitute refrigerant for dichlorodifluoromethane refrigeration systemsAPD CRYOGENICS INC·Filed 1994·Granted Jun 20, 1995·59 cites·4 claims
- 0580US5441658ACryogenic mixed gas refrigerant for operation within temperature ranges of 80°K- 100°KAPD CRYOGENICS INC·Filed 1993·Granted Aug 15, 1995·60 cites·2 claims
- 0673US5729993APrecooled vapor-liquid refrigeration cycleAPD CRYOGENICS INC·Filed 1996·Granted Mar 24, 1998·47 cites·30 claims
- 0770US5687574AThrottle cycle cryopumping system for Group I gasesAPD CRYOGENICS INC·Filed 1996·Granted Nov 18, 1997·34 cites·18 claims
- 0866US5579654ACryostat refrigeration system using mixed refrigerants in a closed vapor compression cycle having a fixed flow restrictorAPD CRYOGENICS INC·Filed 1995·Granted Dec 3, 1996·43 cites·22 claims
- 0953US5243826AMethod and apparatus for collecting liquid cryogenAPD CRYOGENICS INC·Filed 1992·Granted Sep 14, 1993·18 cites·19 claims
- 1052US5249425AVenting control system for cryostatsAPD CRYOGENICS INC·Filed 1992·Granted Oct 5, 1993·17 cites·7 claims
- 1150US4697635AParallel wrapped tube heat exchangerAPD CRYOGENICS INC·Filed 1986·Granted Oct 6, 1987·14 cites·4 claims
- 1249US5628195AVibrationally isolated thermal system for a cryogenically cooled deviceAPD CRYOGENICS INC·Filed 1995·Granted May 13, 1997·16 cites·24 claims
- 1346US5875651ALow vibration throttling device for throttle-cycle refrigeratorsAPD CRYOGENICS INC·Filed 1997·Granted Mar 2, 1999·17 cites·20 claims
- 1446US5402648ASealed dewar with separate circulation loop for external cooling at constant pressureAPD CRYOGENICS INC·Filed 1993·Granted Apr 4, 1995·16 cites·33 claims
- 1545US5706663AHigh efficiency throttle cryogenic refrigerator based on one stage compressorAPD CRYOGENICS INC·Filed 1995·Granted Jan 13, 1998·13 cites·3 claims
- 1638US5457961ACrysostat for very stable temperature maintenanceAPD CRYOGENICS INC·Filed 1994·Granted Oct 17, 1995·6 cites·16 claims
- 1735US5012650ACryogen thermal storage matrixAPD CRYOGENICS INC·Filed 1989·Granted May 7, 1991·8 cites·11 claims
- 1829US5385027AContinuous flow cryogen sublimation coolerAPD CRYOGENICS INC·Filed 1993·Granted Jan 31, 1995·2 cites·21 claims
- 1928US5313801ACryostat throttleAPD CRYOGENICS INC·Filed 1992·Granted May 24, 1994·6 cites·19 claims
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