Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › .sup.3 He-.sup.4 He Dilution refrigerator

.sup.3 He-.sup.4 He Dilution refrigerator

US Patent 4297856 · Granted Nov 3, 1981

Estimated economic value: $502,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Universal variable fragments2004
Detection and quantification of micro-organisms using amplification and restrict2002
Method of manufacturing a magnetic head1994
Passive fiber-optic component1991
Irradiation device, arrangement for and method of cladding a filamentary body1988
Irradiation device comprising a short arc discharge lamp1988
Method of manufacturing a bundle of optical fiber parts1988
Method of manufacturing a plurality of optical components1988
Method of manufacturing a passive fiber optic component1987
.sup.3 He-.sup.4 He refrigerator1981
.sup.3 He-.sup.4 He refrigerator1981
Superleak1980