1. 1 IRNDT Inc. Curved Composite Patent UNITED STATES PATENT NUMBER 7,293,461

2. 2 IRNDT Inc. IRNDT Inc. Curved Composite Patent

3. 3 United States Steel Curved – Single Element Composite Probe IRNDT Inc. Curved Composite Patent

4. 4 United States Steel IRNDT Patented Technology – Old vs. New Pres IRNDT Inc. Curved Composite Patent

5. 5 United States Steel PSL 1 - PSL 2 Wall Coverage Brief Overview of Complete Patent CONVENTIONAL WISDOM - METHODOLOGY

6. 6 United States Steel IRNDT Patented Technology – Old vs. New Pres

7. 7 Brief Overview of Complete Patent TRANSDUCER SIZE LIMITATIONS

8. 8 Brief Overview of Complete Patent PATENTED WALL SYSTEM

9. 9 United States Steel PSL 1 - PSL 2 Wall Coverage Brief Overview of Complete Patent CONVENTIONAL WISDOM - METHODOLOGY

10. 10 United States Steel PSL 1 - PSL 2 Wall Coverage Brief Overview of Complete Patent STANDARD PROBE REQUIREMENTS

11. 11 United States Steel PSL 1 - PSL 2 Wall Coverage Brief Overview of Complete Patent LONGITUDINAL SYSTEM

12. 12 United States Steel PSL 1 - PSL 2 Wall Coverage Brief Overview of Complete Patent LONGITUDINAL SYSTEM

13. 13 United States Steel PSL 1 PSL 2 Potential Solutions Pres IRNDT Inc. Curved Composite Patent

14. 14 United States Steel PSL 1 - PSL 2 Wall Coverage CURRENT TECHNOLOGIES AS OPTIONS FOR 25% WALL COVERAGE REQUIREMENTS API 5CT PSL I and 2 Rotary Ultrasonic Head – With Less Channels or Slower Rotation Speed Phased Array – With a minimum of 128 channels per transducer Hall Effect Sensors – Poor Performance on Eccentricity Excellent on Abrupt Wall Changes Patented IRNDT Solution Requiring (4) conventional UT Channels and Proprietary Curved Composite Transducers IRNDT Inc. Curved Composite Patent

15. 15 United States Steel Curved – Single Element Composite Probe IRNDT Inc. Curved Composite Patent

16. 16 IRNDT Inc Curved Composite Patent 2.300” Curved Element – 1.940” Effective Beam

17. 17 IRNDT Inc Curved Composite Patent Third Generation Probe – 2.750” Length Element

18. 18 IRNDT Inc Curved Composite Patent PSL 1 - PSL 2 Wall Coverage

19. 19 IRNDT Inc Curved Composite Patent PSL 1 - PSL 2 Wall Coverage

20. 20 IRNDT Inc Curved Composite Patent PSL 1 - PSL 2 Wall Coverage

21. 21 IRNDT Inc Curved Composite Patent PSL 1 - PSL 2 Wall Coverage

22. 22 IRNDT Inc Curved Composite Patent PSL 1 - PSL 2 Wall Coverage

23. 23 PSL 1 PSL 2 Mechanical and Coupling Options Pres

24. 24 PSL 1 PSL 2 Mechanical and Coupling Options Basic Contact Style Ultrasonic Head

25. 25 Preferred Method – End to End Mechanical and Coupling Options Pres

26. 26 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

27. 27 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

28. 28 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

29. 29 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

30. 30 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

31. 31 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

32. 32 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

33. 33 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

34. 34 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

35. 35 Preferred Method – End to End Mechanical and Coupling Options Pres

36. 36 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

37. 37 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

38. 38 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

39. 39 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

40. 40 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

41. 41 United States Steel PSL 1 - PSL 2 Wall Coverage IRNDT Inc Curved Composite Patent 100 % Coverage – 5.5” Example 8 Probes

42. 42 United States Steel PSL 1 - PSL 2 Wall Coverage PSL 1 PSL 2 Mechanical and Coupling Options

43. 43 IRNDT Inc Curved Composite Patent Diameter – Ovality Feature

44. 44 IRNDT Inc. Curved Composite Patent UNITED STATES PATENT NUMBER 7,293,461