<PAGE> 1
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D. C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Gorman Rupp Co.
------------------------------
(NAME OF ISSUER)
Common Stock Without Par Value
------------------------------
(Title of Class of Securities)
383082104
------------------------------
(CUSIP Number)
December 31, 1998
------------------------------
(Date)
Check the following box if fee is being paid with this statement
-----------------------------------------------------
<PAGE> 2
CUSIP NO. 383082104
- -------------------------------------------------------------------------------
1) Names of Reporting Persons I.R.S. No. 31-0738296
S.S. or I.R.S. Identification Nos. of BANK ONE CORPORATION
Above Persons
- -------------------------------------------------------------------------------
2) Check the Appropriate Box if a
Member of a Group (a)
(See Instructions) (b)
- -------------------------------------------------------------------------------
3) SEC Use only
- -------------------------------------------------------------------------------
4) Citizenship or Place of
Organization ILLINOIS
- ------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power 436,787
-----------------
Beneficially (6) Shared Voting Power 0
-----------------
Owned by (7) Sole Dispositive Power 352,077
-----------------
Each Reporting (8) Shared Dispositive Power 84,710
-----------------
Person with
- ------------------------------------------------------------------------------
9) Aggregate Amount Beneficially 436,787
---------------
Owned by Each Reporting Person
- ------------------------------------------------------------------------------
10) Check if the Aggregate Amount
in Row (9) Excludes Certain
Shares (See Instructions)
- ------------------------------------------------------------------------------
11) Percent of Class Represented
by Amount in Row 9 5.10%
-------------
- ------------------------------------------------------------------------------
12) Type of Reporting Person
(See Instructions) HC
-------------
<PAGE> 3
- ----------------------------------------------------------------------------
SEC 13G
SECURITIES AND EXCHANGE COMMISSION
SCHEDULE 13G
Item 1(a) Name of Issuer: Gorman Rupp Co.
-----------------
Item 1(b) Address of Issuer's principal executive
offices: 305 Bowman St.
-----------------
Mansfield, OH
-----------------
44903
-----------------
Item 2(a) Name of person filing: BANK ONE CORPORATION
Item 2(b) Address of principal business office or, One First National Plaza
if none residence: Chicago, IL 60670
Item 2(c) Citizenship: Not Applicable
Item 2(d) Title of class of securities: Common Stock Without Par Value
------------------------------
Item 2(e) CUSIP No.: 383082104
------------------------------
Item 3. This statement is filed pursuant to Rule 13d-1(c).
Item 4. Ownership
This beneficial ownership by BANK ONE CORPORATION with respect
to common shares of Gorman Rupp Co.
------------------------------------------
-------------------------------------------------------------:
(a) Amount beneficially owned: 436,787
----------------
(b) Percent of class 5.10%
---------------
(c) Number of shares as to which such person has:
(I) Sole power to vote or to direct the vote: 436,787
-----------
(ii) Shared power to vote or to direct the vote: 0
-----------
(iii) Sole power to dispose or to direct the
disposition of: 352,077
-----------
(iv) Shared power to dispose or to direct the
disposition of: 84,710
-----------
Item 5. Ownership of 5 percent or less of a Class. N/A
-----------
Item 6. Ownership of More than 5 percent on Behalf of Another Person. N/A
----------
<PAGE> 4
Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent Holding
Company.
-------------------------------------
Bank One Trust Co., NA
Item 8. Identification and Classification of Members of the Group. N/A
-----------
Item 9. Notice of Dissolution of Group. N/A
-----------
Item 10. Certification.
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: 2/1/99
-------------
BANK ONE CORPORATION
By: /s/ DAVID J. KUNDERT
David J. Kundert
EXECUTIVE VICE PRESIDENT
