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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001116595-11-000004.txt : 20110201
<SEC-HEADER>0001116595-11-000004.hdr.sgml : 20110201
<ACCEPTANCE-DATETIME>20110201115450
ACCESSION NUMBER:		0001116595-11-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110118
FILED AS OF DATE:		20110201
DATE AS OF CHANGE:		20110201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GUNTHER CONRAD J JR
		CENTRAL INDEX KEY:			0001295805

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16525
		FILM NUMBER:		11561980

	MAIL ADDRESS:	
		STREET 1:		249 JENNINGS ROAD
		CITY:			COLD SPRING HARBOR
		STATE:			NY
		ZIP:			11724

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CVD EQUIPMENT CORP
		CENTRAL INDEX KEY:			0000766792
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				112621692
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1860 SMITHTOWN AVE
		CITY:			RONKONKOMA
		STATE:			NY
		ZIP:			11779-7321
		BUSINESS PHONE:		6319817081

	MAIL ADDRESS:	
		STREET 1:		1860 SMITHTOWN AVE
		CITY:			RONKONKOMA
		STATE:			NY
		ZIP:			11779-7321
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000766792</issuerCik>
        <issuerName>CVD EQUIPMENT CORP</issuerName>
        <issuerTradingSymbol>CVV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001295805</rptOwnerCik>
            <rptOwnerName>GUNTHER CONRAD J JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>249 JENNINGS ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COLD SPRING HARBOR</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11724</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>2011-01-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1800</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to purch common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>7.9</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2011-01-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2800</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2011-01-18</value>
            </exerciseDate>
            <expirationDate>
                <value>2021-01-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2800</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>53110</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Common stock issued pursuant to the Corporation's 2007 Share Incentive Plan, vests as to 450 shares on each of January 18, 2011, April 18, 2011, July 15, 2011 and October 17, 2011.</footnote>
        <footnote id="F2">Options issued pursuant to the Corporation's 2001 Stock Option Plan, vest as to 700 shares on each of January 18, 2011, April 18, 2011, July 15, 2011 and October 17, 2011.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Conrad J. Gunther</signatureName>
        <signatureDate>2011-02-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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