SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G
                                 (RULE 13D-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13D-1(B) (C) AND (D) AND AMENDMENTS THERETO FILED
                           PURSUANT TO RULE 13D-2(B)*



                           Proton Energy Systems, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, $0.01 Par Value Per Share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    74371K101
             ------------------------------------------------------
                                 (CUSIP Number)

                               September 19, 2003
             ------------------------------------------------------
                  (Date of Event which Requires Filing of this
                                   Statement)

     Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:
                                |_| Rule 13d-1(b)
                                |X| Rule 13d-1(c)
                                |_| Rule 13d-1(d)

                                   Page 1 of 5





--------
         *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.

         The information required on the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).






                                  SCHEDULE 13G


CUSIP NO.          74371K101                                         PAGE 2 OF 5



1         NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
          Lloyd I. Miller, III                 279-42-7925

2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*       (a)        |_|
                                                                  (b)        |_|

3         SEC USE ONLY

4         CITIZENSHIP OR PLACE OF ORGANIZATION

          United States

                                  5        SOLE VOTING POWER
            NUMBER OF                           1,154,991
             SHARES               6        SHARED VOTING POWER
          BENEFICIALLY                          1,000,000
            OWNED BY              7        SOLE DISPOSITIVE POWER
             EACH                               1,154,991
           REPORTING              8        SHARED DISPOSITIVE POWER
            PERSON                              1,000,000
             WITH



9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
         2,154,991

10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES / /

11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
         6.4%

12       TYPE OF REPORTING PERSON
         IN-IA-OO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!











                                                                        
Item 1(a).   Name of Issuer:                                               Proton Energy Systems, Inc.

Item 1(b).   Address of Issuers's Principal Executive Offices:             10 Technology Drive
                                                                           Wallingford, CT 06492

Item 2(a).   Name of Person Filing:                                        Lloyd I. Miller, III

Item 2(b).   Address of Principal Business Office or, if None, Residence:  4550 Gordon Drive, Naples, Florida 34102

Item 2(c).   Citizenship:                                                  U.S.A.

Item 2(d).   Title of Class of Securities:                                 Common Stock, $0.01 par value

Item 2(e).   CUSIP Number:                                                 74371K101



Item 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b) OR 13d-2(b) or (c),
        CHECK WHETHER THE PERSON FILING IS A:

        Not Applicable, this statement is filed pursuant to Rule 13d-1(c).


Item 4. OWNERSHIP: The reporting person shares dispositive and voting power with
        respect to 1,000,000 of the reported securities as an investment
        advisor to the  trustee  of a certain  family  trust.  The  reporting
        person has sole dispositive  and voting  power with  respect to
        1,154,991  of the reported securities  as the  manager  of a  limited
        liability  company  that is the general partner of certain limited
        partnerships.

          (a)      2,154,991

          (b)      6.4%

          (c)      (i) sole voting power:         1,154,991

                  (ii) shared voting power:       1,000,000

                 (iii) sole dispositive power:    1,154,991

                  (iv) shared dispositive power:  1,000,000


Item 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

        Not Applicable.

Item 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

        Persons other than Lloyd I. Miller, III have the right to receive or
        the power to direct the receipt of dividends from, or the proceeds
        from the sale of, the reported securities.







Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
        SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:

        Not Applicable.

Item 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

        Not Applicable.

Item 9. NOTICE OF DISSOLUTION OF GROUP:

        Not Applicable.





Item 10. CERTIFICATION:

         By signing below I certify that, to the best of my knowledge and
         belief, the securities referred to above were not acquired and are not
         held for the purpose of or with the effect of changing or influencing
         the control of the issuer of the securities and were not acquired and
         are not held in connection with or as a participant in any transaction
         having that purpose or effect.

                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.






         Dated: September 26, 2003                    /s/ Lloyd I. Miller, III
                                                        ------------------------
                                                          Lloyd I. Miller, III