UNITED STATES
                       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): September 10, 2004



                               THERMOGENESIS CORP.
             (Exact name of registrant as specified in its charter)



               Delaware                  0-16375                94-3018487
               ---------                 --------               ----------
(State or other jurisdiction of      (Commission File        (I.R.S. Employer
 incorporation or organization)          Number)             Identification No.)

                                2711 Citrus Road
                        Rancho Cordova, California 95742
                        --------------------------------
    (Address and telephone number of principal executive offices) (Zip Code)

                                 (916) 858-5100
                                 --------------
              (Registrant's telephone number, including area code)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
    230.425)
[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
    (17 CFR 240.14a-12)
[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))
[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))



<PAGE>



Section 2 - Financial Information
---------------------------------

Item 2.02 Results of Operations and Financial Condition.

     ThermoGenesis  Corp.  announced  its results for the fiscal year ended June
30, 2004 on the attached press release.

Section 9 - Financial Statements and Exhibits
---------------------------------------------

Item 9.01 Financial Statements and Exhibits.

         Exhibit No.       Exhibit Description
         -----------       -------------------

         99                Press release announcing fiscal June 30, 2004 year
                           end results




<PAGE>


                                    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 hereunto duly authorized.


                                    THERMOGENESIS CORP.,
                                    a Delaware Corporation


Dated:  September 10, 2004          /s/ Renee Ruecker
        ------------------          --------------------------------------------
                                    Renee Ruecker,
                                    Chief Financial Officer
[{"type": "8-K", "sequence": "1", "filename": "pressrelease.txt", "secsgml_size_bytes": 3082}]
{"company-data": {"conformed-name": "THERMOGENESIS CORP", "cik": "0000811212", "assigned-sic": "3821", "irs-number": "943018487", "state-of-incorporation": "DE", "fiscal-year-end": "0630"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-82900", "film-number": "041024670"}, "business-address": {"street1": "2711 CITRUS ROAD", "city": "RANCHO CORDOVA", "state": "CA", "zip": "95742", "phone": "9168585100"}, "mail-address": {"street1": "2711 CITRUS ROAD", "city": "RANCHO CORDOVA", "state": "CA", "zip": "95742"}, "former-company": {"former-conformed-name": "INSTA COOL INC OF NORTH AMERICA", "date-changed": "19920703"}}
UNITED STATES
                       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): September 10, 2004

                               THERMOGENESIS CORP.
             (Exact name of registrant as specified in its charter)

               Delaware                  0-16375                94-3018487
               ---------                 --------               ----------
(State or other jurisdiction of      (Commission File        (I.R.S. Employer
 incorporation or organization)          Number)             Identification No.)

                                2711 Citrus Road
                        Rancho Cordova, California 95742
                        --------------------------------
    (Address and telephone number of principal executive offices) (Zip Code)

                                 (916) 858-5100
                                 --------------
              (Registrant's telephone number, including area code)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
    230.425)
[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
    (17 CFR 240.14a-12)
[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))
[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))
Section 2 - Financial Information
---------------------------------

Item 2.02 Results of Operations and Financial Condition.

     ThermoGenesis  Corp.  announced  its results for the fiscal year ended June
30, 2004 on the attached press release.

Section 9 - Financial Statements and Exhibits
---------------------------------------------

Item 9.01 Financial Statements and Exhibits.

         Exhibit No.       Exhibit Description
         -----------       -------------------

         99                Press release announcing fiscal June 30, 2004 year
                           end results
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 hereunto duly authorized.

                                    THERMOGENESIS CORP.,
                                    a Delaware Corporation

Dated:  September 10, 2004          /s/ Renee Ruecker
        ------------------          --------------------------------------------
                                    Renee Ruecker,
                                    Chief Financial Officer