================================================================================


                     U.S. SECURITIES AND EXCHANGE COMMISSION


                             Washington, D.C. 20549


                  ____________________________________________


                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported) August 5, 2004


                      WILSON GREATBATCH TECHNOLOGIES, INC.
             (Exact name of registrant as specified in its charter)



         Delaware                        1-16137               16-1531026
-------------------------------   ------------------------   ----------------
(State or other jurisdiction of   (Commission File Number)    (IRS Employer
        incorporation)                                      Identification No.)



 9645 Wehrle Drive, Clarence, New York                  14031
----------------------------------------           ---------------
(Address of principal executive offices)              (Zip Code)


        Registrant's telephone number, including area code (716) 759-5600


                                 Not Applicable
--------------------------------------------------------------------------------
            (Former name or former address, if changed since last report)
================================================================================



ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On August 5, 2004, Wilson Greatbatch Technologies, Inc. issued a press release
announcing the Company's earnings for the fiscal quarter ended July 2, 2004. A
copy of the release is furnished with this report as Exhibit 99.1 and is
incorporated by reference into this Item 12.


The information contained in this report is being furnished and shall not be
deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934,
as amended (the "Exchange Act"), or otherwise subject to the liabilities of that
section. The information contained in this report shall not be incorporated by
reference into any registration statement or other document filed pursuant to
the Securities Act of 1933, as amended, or the Exchange Act, except as shall be
expressly set forth by specific reference in such filing.



                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


Dated:  August 5, 2004                   Wilson Greatbatch Technologies, Inc.

                                         By  /s/ Lawrence P. Reinhold
                                         -----------------------------------
                                             Lawrence P. Reinhold
                                             Executive Vice President and
                                             Chief Financial Officer
                                             (Principal Financial Officer)







                                  EXHIBIT INDEX

EXHIBIT
NUMBER                       DESCRIPTION
------                       -----------
99.1                         Earnings Release of Wilson Greatbatch
                             Technologies, Inc. dated August 5, 2004.