FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   Marten Jon P. 2. Date of Event Requiring Statement (Month/Day/Year) 08/14/2008 3. Issuer Name and Ticker or Trading Symbol PARKER HANNIFIN CORP [PH] (Last) (First) (Middle) PARKER-HANNIFIN CORPORATION, 6035 PARKLAND BOULEVARD 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP, Controller 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) CLEVELAND, OH 44124-4141 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 1,912.875 I Parker Retirement Savings Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option with Tandem Stock Appreciation Right	  (1)	08/12/2018	Common Stock	7,800	$ 65.34	D	Â
Stock Appreciation Right	  (2)	08/14/2017	Common Stock	4,942	$ 60.9334	D	Â
Stock Appreciation Right	  (3)	08/15/2016	Common Stock	4,950	$ 49.7534	D	Â
Stock Appreciation Right	  (4)	08/09/2015	Common Stock	4,200	$ 43.7667	D	Â
Option to Buy	  (5)	08/10/2014	Common Stock	2,550	$ 36.26	D	Â
Option to Buy	  (6)	08/12/2013	Common Stock	3,337	$ 31.5267	D	Â
Option to Buy	  (7)	08/06/2012	Common Stock	2,587	$ 26.56	D	Â
Option to Buy	  (8)	08/07/2011	Common Stock	2,700	$ 29.6134	D	Â
Option to Buy	  (9)	08/08/2010	Common Stock	1,590	$ 23.9584	D	Â
Phantom Stock	  (10)	  (10)	Common Stock	222.798	$ (10)	I	Parker Hannifin Corporation Savings Restoration Plan

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Marten Jon P. PARKER-HANNIFIN CORPORATION 6035 PARKLAND BOULEVARD CLEVELAND, OH 44124-4141	Â	Â	  VP, Controller	Â

Signatures

Rhoda M. Minichillo, Attorney-in-Fact		08/21/2008
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	The option with tandem SAR vests in three equal installments on 08/13/2009, 08/13/2010 and 08/13/2011.
(2)	The SAR vests in three equal installments on 08/15/2008, 08/15/2009 and 08/15/2010.
(3)	The SAR vests in three equal installments on 08/16/2007, 08/16/2008 and 08/16/2009.
(4)	The SAR vested in three equal installments on 08/10/2006, 08/10/2007 and 08/10/2008.
(5)	The option vested in two equal installments on 08/11/2005 and 08/11/2006.
(6)	The option vested in two equal installments on 08/13/2004 and 08/13/2005.
(7)	The option vested in two equal installments on 08/07/2003 and 08/07/2004.
(8)	The option vested in two equal installments on 08/08/2002 and 08/08/2003.
(9)	The option vested in two equal installments on 08/09/2001and 08/09/2002.
(10)	Each share of phantom stock is the economic equivalent of one share of Parker common stock. The shares of phantom stock will be settled in cash upon termination of his employment, whether voluntary or involuntary, with Parker.

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