<PAGE> 1
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
Amendment No. 4
Autoclave Engineers, Inc.
______________________________________________________________________________
(Name of Issuer)
Common
______________________________________________________________________________
(Title of Class of Securities)
052760105
______________________________________________________________________________
(CUSIP Number)
Check the following box if a fee is being paid with this statement
CUSIP No.
1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of above
persons
PNC Bank Corp. 25-143-5979
2) Check the Appropriate Box if a Member of a Group (See Instructions)
a)
b)
3) SEC USE ONLY
4) Citizenship or Place of Organization Pennsvlvania
Number of Shares 5) Sole Voting Power 269,448
Beneficially Owned
By Each Reporting
Person With 6) Shared Voting Power 0
7) Sole Dispositive Power 28,945
8) Shared Dispositive Power 0
9) Aggregate Amount Beneficially Owned by Each Reporting Person
269,448
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
11) Percent of Class Represented by Amount in Row (9) 6.39
12) Type of Reporting Person (See Instructions) HC
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
Amendment No. 4
Autoclave Engineers, Inc.
______________________________________________________________________________
(Name of Issuer)
Common
______________________________________________________________________________
(Title of Class of Securities)
052760105
______________________________________________________________________________
(CUSIP Number)
Check the following box if a fee is being paid with this statement
CUSIP No.
1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of above
persons
PNC Bancorp, Inc.1 51-0326854
2) Check the Appropriate Box if a Member of a Group (See Instructions)
a)
b)
3) SEC USE ONLY
4) Citizenship or Place of Organization Delaware
Number of Shares 5) Sole Voting Power 269,448
Beneficially Owned
By Each Reporting
Person With 6) Shared Voting Power 0
7) Sole Dispositive Power 28,945
8) Shared Dispositive Power 0
9) Aggregate Amount Beneficially Owned by Each Reporting Person
269,448
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
11) Percent of Class Represented by Amount in Row (9) 6.39
12) Type of Reporting Person (See Instructions) HC
1 PNC Bancorp, Inc. is the direct owner of all the shares of
PNC Bank, N.A.
<PAGE> 3
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
Amendment No. 4
Autoclave Engineers, Inc.
______________________________________________________________________________
(Name of Issuer)
Common
______________________________________________________________________________
(Title of Class of Securities)
052760105
______________________________________________________________________________
(CUSIP Number)
Check the following box if a fee is being paid with this statement
CUSIP No.
1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of
above persons
PNC Bank, Ohio, National Association
2) Check the Appropriate Box if a Member of a Group (See Instructions)
a)
b)
3) SEC USE ONLY
4) Citizenship or Place of Organization United States
Number of Shares 5) Sole Voting Power 269,448
Beneficially Owned
By Each Reporting
Person With 6) Shared Voting Power 0
7) Sole Dispositive Power 28,945
8) Shared Dispositive Power 0
9) Aggregate Amount Beneficially Owned by Each Reporting Person
269,448
10) Check if the Aggregate Amount in Row (9) Excludes Certain
Shares (See Instructions)
11) Percent of Class Represented by Amount in Row (9) 6.39
12) Type of Reporting Person (See Instructions) BK
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Item 4 - Ownership:
(a) Amount Beneficially Owned:
269,448
(b) Percent of Class:
6.39
(c) Number of shares to which such person has:
(i) sole power to vote or to direct the vote 269,448
(ii) shared power to vote or to direct the vote 0
(iii) sole power to dispose or to direct the disposition of 28,945
(iv) shared power to dispose or to direct the disposition of 0
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