FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * LEPOFSKY ROBERT   2. Issuer Name and Ticker or Trading Symbol HELIX TECHNOLOGY CORP [HELX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) NINE HAMPSHIRE STREET 3. Date of Earliest Transaction (Month/Day/Year) 10/26/2005 (Street) MANSFIELD, MA 02048 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/26/2005   D   255,073 D (1) 0 D   Common Stock 10/26/2005   D   40,000 D (2) 0 I By Trust (3) Common Stock 10/26/2005   D   1,955 D (4) 0 I By 401(k) Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Non-Qualified Stock Option (right to buy)

$ 20.812

10/26/2005

D

100,000

12/31/2004

12/31/2005

Common Stock

100,000

(5)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LEPOFSKY ROBERT NINE HAMPSHIRE STREET MANSFIELD, MA 02048	X

Signatures

/s/ Beverly L. Couturier, Attorney-In-Fact for Robert Lepofsky		10/26/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Disposed of pursuant to merger agreement (the "Merger Agreement") between Brooks Automation, Inc. ("Brooks"), Mt. Hood Corporation and Helix Technology Corporation in exchange for 283,131 shares of Brooks having a market value of $12.69 per share on the effective date of the merger.
(2)	Disposed of pursuant to the Merger Agreement in exchange for 44,400 shares of Brooks having a market value of $12.69 per share on the effective date of the merger.
(3)	The reporting person discloses beneficial ownership.
(4)	Disposed of pursuant to the Merger Agreement in exchange for 2,170 shares of Brooks having a market value of $12.69 per share on the effective date of the merger.
(5)	This option was assumed by Brooks in the merger and replaced with an option to purchase 111,000 shares of Brooks common stock for $18.75 per share.

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