Patent Status Table

PATENT NO./ SERIAL NO.	TITLE	ISSUE DATE
Pending Patents
	Clamp Assembly for Feedwater Sparger End Bracket Assembly and Methods Therefor
	Method and Apparatus for Detecting and Isolating a Rupture in a Fluid Distribution System
	Repaired Shroud Assembly for Boiling Water Reactor (As Amended)
	Wedge Clamp for Repairing Boiling Water Reactor Shroud (As Amended)
	Methods and Apparatus for Repairing a Cracked Jet Pump Riser in a Boiling Water Reactor Utilizing a Spacer
	Product Irradiation Device and Method of Irradiating Products Using the Same
	Method and Apparatus for Repairing Cracked Core Spray Supply Piping in a Boiling Water Reactor
Issued U.S. Utility Patents
6,195,892 B1	Method for Replacing Cracked Core Spray Supply Piping in a Boiling Water Reactor	03/06/01
6,178,635 (09/371,116)	Method for Repairing Vertical Welds in a Boiling Water Reactor Using a Clamp with Eccentric Pins Sealed Against an Interior of the Shroud	01/30/01
6,167,618 B1 (09/275,548)	Method for Repairing Vertical Welds in a Boiling Water Reactor Shroud Using a Clamp with Eccentric Pins	01/02/01
6,138,353 (09/225,778)	Method and Apparatus for Repairing Vertical Welds in a Boiling Water Reactor Shroud	10/31/00
5,964,029 (09/086,416)	Apparatus for Repairing Cracked Core Spray Supply Piping in a Boiling Water Reactor	10/12/99
5,839,192 (08/758,056)	Method and Apparatus for Repairing Cracked Core Spray Supply Piping in a Boiling Water Reactor	11/24/98
5,828,713 (08/948,269)	Replacement Core Shroud Assembly for a Boiling Water Reactor	10/27/98
5,815,543 (08/621,498)	Seismic Support with Clearance Gap and Yieldable Member	09/29/98
5,809,100 (08/870,402)	Apparatus for Detecting Changes in Preload on a Tie Rod Installed as Part of a Core Shroud Repair in a Boiling Water Reactor	09/15/98
5,687,206 (08/730,178)	Method of Replacing a Boiling Water Reactor Core Shroud	11/11/97
* 5,600,690 (08/359,376)	Method and Apparatus for Repairing Boiling Water Reactor Shrouds Utilizing Tie-Rods and Braces [Corresponding Foreign Patent No.:  283170/95]	02/04/97
* 5,600,689 (08/358,085)	Method and Apparatus for Repairing Boiling Water Reactor Shrouds Utilizing Tie-Rods with Multiple Longitudinal Members [Corresponding Foreign Patent No.:  280381/95]	02/04/97
5,589,640 (08/627,154)	Method for Detecting Changes in a Preload on a Tie Rod Installed as Part of a Core Shroud Repair in a Boiling Water Reactor	12/31/96
* 5,577,082 (08/516,716)	Repaired Shroud Assembly for a Boiling Water Reactor [Corresponding Foreign Patent No.:  304723/94]	11/19/96
* 5,402,570 (08/190,696)	Method for Repairing Boiling Water Reactor Shrouds [Corresponding Foreign Patent Nos.:  189011, 304723/94 & 072999]	04/04/95
5,367,768 (08/992,224)	Methods of Repairing Inconel 600 Nozzles of Pressurized Water Reactor Vessels	11/29/94
* 4,975,238 (08/239,309)	Control System for a Nuclear Steam Power Plant	12/4/90
4,972,805 (08/473,453)	Method and Apparatus for Removing Foreign Matter from Heat Exchanger Tubesheets	11/27/90
3,980,188 (07/577,395)	Method for Handling Nuclear Fuel Casks	09/14/76
3,945,509 (07/507,858)	Handling System for Nuclear Fuel Casks	03/23/76
Issued Foreign Patents
072999 (Taiwan)	Method for Repairing Boiling Water Reactor Shrouds [Corresponding U.S. Patent No.:  5,402,570]	7/9/97
283170/95 (Japan)	Method and Apparatus for Repairing Boiling Water Reactor Shrouds Utilizing Tie-Rods and Braces [Corresponding U.S. Patent No.:  5,600,690]	1995
280381/95 (Japan)	Method and Apparatus for Repairing Boiling Water Reactor Shrouds Utilizing Tie-Rods with Multiple Longitudinal Members [Corresponding U.S. Patent No.:  5,600,689]	1995
0666574 (Europe)	Method for Repairing Boiling Water Nuclear Reactor Shrouds and Repaired Shroud Assembly of a Boiling Water Nuclear Reactor Obtained by the Method [Corresponding U.S. Patent Nos.:  5,402,570 & 5,577,082]	Issued
189011 (Mexico)	Method for Repairing Boiling Water Reactor Shrouds [Corresponding U.S. Patent No.:  5,402,570]	1994
304723/94 (Japan)	Method for Repairing Boiling Water Reactor Shrouds [Corresponding U.S. Patent Nos.:  5,402,570 & 5,577,082]	1994

*  Licensed to General Electric

Contact

For further information on MPR's patents and the engineering services provided by MPR Associates, contact: Larry Cundy.