Assignee
LUFRAN INC
US·6 granted patents·142 citations·filing 1983–1999
Top patents by PatentIndex Score
6 records- 0176US5875283APurged grounded immersion heaterLUFRAN INC·Filed 1997·Granted Feb 23, 1999·45 cites·14 claims
- 0272US5930458AHigh efficiency ultra-pure fluid heaterLUFRAN INC·Filed 1998·Granted Jul 27, 1999·36 cites·15 claims
- 0352US5954094AEnd cap for providing a fluid-tight seal between dissimilar materialsLUFRAN INC·Filed 1997·Granted Sep 21, 1999·15 cites·20 claims
- 0450US4553024AGas-purged flexible cable-type immersion heater and method for heating highly corrosive liquidsLUFRAN INC·Filed 1983·Granted Nov 12, 1985·15 cites·2 claims
- 0548US6178291B1Demand anticipation control system for a high efficiency ultra-pure fluid heaterLUFRAN INC·Filed 1999·Granted Jan 23, 2001·23 cites·14 claims
- 0633US5919386APurge management system for gas purged immersion heatersLUFRAN INC·Filed 1997·Granted Jul 6, 1999·8 cites·28 claims
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