<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType><periodOfReport>2003-10-01</periodOfReport><dateOfOriginalSubmission>2003-10-01</dateOfOriginalSubmission>
    <issuer>
        <issuerCik>0000720896</issuerCik>
        <issuerName>MEMRY CORP</issuerName>
        <issuerTradingSymbol>MRY</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001098536</rptOwnerCik>
            <rptOwnerName>KRUSEN W ANDREW JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DFG MANAGEMENT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>712 SOUTH OREGON AVE, STE 200</rptOwnerStreet2>
            <rptOwnerCity>TAMPA</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-10-01</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2255</value></transactionShares><transactionPricePerShare><value>1.33</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>102510</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>538200</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>*</value><footnoteId id="F1"/><footnoteId id="F3"/></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>1.33</value></conversionOrExercisePrice><transactionDate><value>2003-10-01</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>3383</value></transactionShares><transactionPricePerShare><value>1.33</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2013-01-01</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>3383</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>3383</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">W. Andrew Krusen, Jr. is the chairman of the Executive Committee of Dominion Financial Group International LLC (&quot;DFGI LLC&quot;).  Mr. Krusen indirectly beneficially owns certain outstanding securities of DFGI LLC through WIT Ventures, LTD (&quot;WIT&quot;) and through DFG Management, Inc., which has a carried interest in DFGI LLC and of which Mr. Krusen is President and 100% economic owner.  JAWIT Corporation of which Mr. Krusen is President and an approximately 50% shareholder, is the managing general partner of WIT.  Dominion Financial Group, Inc., (&quot;DFG Inc.&quot;), of which Mr. Krusen is President and an approximately 50% shareholder, is an investor of WIT.  The aggregate amount of securities reported as being indirectly beneficially owned includes 235,200 shares of Common Stock directly owned by WIT, 8,000 shares of Common Stock directly owned by Krusen-Vogt &amp; Co. (&quot;KVC&quot;), 270,000 shares of Commmon Stock directly owned by DFGI LLC, and 25,000 shares directly owned by Dominion Capital Management.</footnote><footnote id="F2">The option is exercisable in three equal installments beginning on the first anniversary of the grant date specified.</footnote><footnote id="F3">Mr. Krusen is a General Partner of KVC.  DFG, Inc. is the managing general partner of DCM.</footnote></footnotes><remarks>Amendment is being filed to correct Amount of Securities Beneficially Owned Following Reported Transactions.</remarks><ownerSignature><signatureName>Marcy Macdonald, attorney-in-fact</signatureName><signatureDate>2003-10-08</signatureDate></ownerSignature></ownershipDocument>

