Assignee
CVI INC
16 patents
Top patents by PatentIndex Score
US4346563AAug 31, 1982
Super critical helium refrigeration process and apparatus
CVI INC32 citations91
US5188519AFeb 23, 1993
Saturated fluid pumping apparatus
CVI INC33 citations87
US4520630AJun 4, 1985
Cryogenic refrigerator and heat source
CVI INC10 citations73
US4471626ASep 18, 1984
Cryogenic refrigerator
CVI INC9 citations73
US4438631AMar 27, 1984
Cryogenic refrigerator
CVI INC18 citations73
US4391103AJul 5, 1983
Fluidic cryogenic refrigerator
CVI INC12 citations73
US4389850AJun 28, 1983
Hybrid cryogenic refrigerator
CVI INC8 citations73
US4388809AJun 21, 1983
Cryogenic refrigerator
CVI INC19 citations73
US4502714AMar 5, 1985
Vacuum spool piece and joint
CVI INC17 citations72
US4466252AAug 21, 1984
Cryopump
CVI INC15 citations72
US4341079AJul 27, 1982
Cryopump apparatus
CVI INC13 citations72
US4522033AJun 11, 1985
Cryogenic refrigerator with gas spring loaded valve
CVI INC11 citations71
US4584839AApr 29, 1986
Multi-stage cryogenic refrigerators
CVI INC15 citations70
US4481777ANov 13, 1984
Cryogenic refrigerator
CVI INC6 citations62
US4524586AJun 25, 1985
Cryogenic refrigerator
CVI INC2 citations60
US4462419AJul 31, 1984
Thermal blocked valve
CVI INC2 citations54