Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Bypass relief poppet valve

Bypass relief poppet valve

US Patent 4932428 · Granted Jun 12, 1990

Estimated economic value: $341,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Heated pressure transducer assembly1999
Pressure-based mass flow controller1999
Heated pressure transducer assembly1998
Heated pressure transducer assembly1997
Toothbrush handle1995
Dry powder inhalator1995
Toothbrush with pliable pressure pad1995
Cryopump and cryopanel having frost concentrating device1994
Capacitance pressure transducer1993
Replacement method and apparatus for a cryogenic refrigeration unit1990
Replacement method and apparatus for a cryogenic refrigeration unit1990
Self-cleaning valve and cryopump utilizing the same1988