-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 N8EWFo+Avv4rJNsFu1XIgiY5k8NNKqykUWfnihirXefcTfGdgruaXb9O9r6RcS65
 zqV4rJbppVIxF0PLrzgj7Q==

<SEC-DOCUMENT>0001295805-05-000003.txt : 20050920
<SEC-HEADER>0001295805-05-000003.hdr.sgml : 20050920
<ACCEPTANCE-DATETIME>20050920121106
ACCESSION NUMBER:		0001295805-05-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050913
FILED AS OF DATE:		20050920
DATE AS OF CHANGE:		20050920

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

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:		051092947

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		631-367-6240

	MAIL ADDRESS:	
		STREET 1:		249 JENNINGS ROAD
		CITY:			COLD SPRING HARBOR
		STATE:			NY
		ZIP:			11724
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-09-13</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>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to Purchase Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.1</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-09-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>21000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-12-13</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2012-09-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>21000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options vest as to 7,000 shares on December 13, 2005, and 1,750 shares on each of January 13, 2007, April 13, 2007, July 13, 2007, October 13, 2007, January 13, 2008, April 13, 2008, July 13, 2008 and October 13, 2008.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Conrad Gunther</signatureName>
        <signatureDate>2005-09-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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