-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QGgWkLEPK3KmVFofmTD6aer6t69n44KAWei85CYPAwVtvnsnKlRsB86bYYNbszlk
 llLJJQykYzgIWJRs/Fs/pw==

<SEC-DOCUMENT>0001338006-05-000003.txt : 20050907
<SEC-HEADER>0001338006-05-000003.hdr.sgml : 20050907
<ACCEPTANCE-DATETIME>20050907102648
ACCESSION NUMBER:		0001338006-05-000003
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050825
FILED AS OF DATE:		20050907
DATE AS OF CHANGE:		20050907

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PURADYN FILTER TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001019787
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				141708544
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2017 HIGH RIDGE ROAD
		CITY:			BOYTON BEACH
		STATE:			FL
		ZIP:			33426
		BUSINESS PHONE:		5615479499

	MAIL ADDRESS:	
		STREET 1:		2017 HIGH RIDGE ROAD
		CITY:			BOYTON BEACH
		STATE:			FL
		ZIP:			33426

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	T F PURIFINER INC
		DATE OF NAME CHANGE:	19960726

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Caldwell John S
		CENTRAL INDEX KEY:			0001338006

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11991
		FILM NUMBER:		051071876

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		571-232-3122

	MAIL ADDRESS:	
		STREET 1:		7902 SOUTH RUN VIEW
		CITY:			SPRINGFIELD
		STATE:			VA
		ZIP:			22153
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-08-25</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001019787</issuerCik>
        <issuerName>PURADYN FILTER TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>PFTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001338006</rptOwnerCik>
            <rptOwnerName>Caldwell John S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7902 SOUTH RUN VIEW</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SPRINGFIELD</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22153</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock option to purchase common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.42</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-08-25</value>
            </exerciseDate>
            <expirationDate>
                <value>2010-08-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <ownerSignature>
        <signatureName>Cindy Lea Gimler</signatureName>
        <signatureDate>2005-09-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----