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  <xsd:element abstract="true" id="liqt_statement-statement-note-3-leases-tables" name="statement-statement-note-3-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-5-agreements-and-commitments-changes-in-warranty-obligations-details" name="statement-statement-note-5-agreements-and-commitments-changes-in-warranty-obligations-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-5-agreements-and-commitments-tables" name="statement-statement-note-5-agreements-and-commitments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-6-earnings-per-share-amounts-used-in-computing-earnings-per-share-details" name="statement-statement-note-6-earnings-per-share-amounts-used-in-computing-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-6-earnings-per-share-tables" name="statement-statement-note-6-earnings-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-7-stockholders-equity-options-outstanding-by-exercise-price-details" name="statement-statement-note-7-stockholders-equity-options-outstanding-by-exercise-price-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-7-stockholders-equity-share-incentive-plan-activity-details" name="statement-statement-note-7-stockholders-equity-share-incentive-plan-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-7-stockholders-equity-status-of-options-and-changes-during-the-year-details" name="statement-statement-note-7-stockholders-equity-status-of-options-and-changes-during-the-year-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-7-stockholders-equity-tables" name="statement-statement-note-7-stockholders-equity-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-7-stockholders-equity-warrants-details" name="statement-statement-note-7-stockholders-equity-warrants-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-7-stockholders-equity-warrants-details-parentheticals" name="statement-statement-note-7-stockholders-equity-warrants-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-8-significant-customers-concentration-disaggregated-revenue-concentration-of-risk-details" name="statement-statement-note-8-significant-customers-concentration-disaggregated-revenue-concentration-of-risk-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-note-8-significant-customers-concentration-disaggregated-revenue-tables" name="statement-statement-note-8-significant-customers-concentration-disaggregated-revenue-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="liqt_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
