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 * HANSEN THOMAS J   2. Issuer Name and Ticker or Trading Symbol ILLINOIS TOOL WORKS INC [ITW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Vice Chairman (Last) (First) (Middle) ILLINOIS TOOL WORKS INC., 3600 WEST LAKE AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 04/23/2010 (Street) GLENVIEW, IL 60026 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 04/23/2010   M   120,000 A $ 31.125 21,730 D   Common Stock 04/23/2010   S   82,400 D $ 51.281 (1) 59,330 D   Common Stock 04/23/2010   S   37,600 D $ 51.952 (2) 21,730 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Employee Stock Option

$ 31.125

04/23/2010

M

120,000

12/14/2002

12/14/2011

Common Stock

120,000

$ 0

0

D

Employee Stock Option

$ 47.13

12/10/2005

12/10/2014

Common Stock

150,000

150,000

D

Employee Stock Option

$ 42.08

12/07/2006

02/01/2016

Common Stock

150,000

150,000

D

Employee Stock Option

$ 51.6

02/09/2008(3)

02/09/2017

Common Stock

200,000

200,000

D

Employee Stock Option

$ 48.51

02/08/2009(3)

02/08/2018

Common Stock

200,000

200,000

D

Employee Stock Option

$ 35.12

02/13/2010(3)

02/13/2019

Common Stock

173,437

173,437

D

Qualifying Restricted Stock Unit (4)

$ 0

(5)

(5)

Common Stock

35,962

35,962

D

Employee Stock Option

$ 43.64

02/12/2011(3)

02/12/2020

Common Stock

185,193

185,193

D

Performance Restricted Stock Unit (4)

$ 0

(5)

(5)

Common Stock

20,348

20,348

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HANSEN THOMAS J ILLINOIS TOOL WORKS INC. 3600 WEST LAKE AVENUE GLENVIEW, IL 60026			Vice Chairman

Signatures

Thomas J. Hansen by James H. Wooten, Jr., Senior Vice President, General Counsel & Secretary, Attorney-In-Fact POA on File		04/26/2010
**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)	This transaction was executed in multiple trades at prices ranging from $50.925 to $51.90. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the tranaction was effected.
(2)	This transaction was executed in multiple trades at prices ranging from $51.92 to $52.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected.
(3)	Options vest in four (4) equal annual installments beginning one year from date of grant.
(4)	Each qualifying restricted stock unit (QRSU) and performance restricted stock unit (PRSU) represents a contingent right to receive one share of the Company's common stock.
(5)	Each QRSU and PRSU vests 100% three years from the date of grant if performance goals are met.

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