Pat. No.	Title
1.	5,654,510 Ultrasonic transducer apparatus for testing railroad wheels http://www.patents.ibm.com/details?patent_number=5654510 Replace patent_number=xxxxxx in URL for all other patents to access the full text at http://www.patents.ibm.com/
2.	5,622,752 Methods and system for applying a uniform coating to a moving workpiece using an ultrasonic spray head
3.	5,578,758 Rail investigating ultrasonic transducer
4.	5,522,265 Device for the ultrasonic measuring of the defects of a railway track
5.	5,503,019 Method and apparatus for ultrasonically inspecting the surface of the bore of a railroad wheel axle
6.	5,476,570 Apparatus to make plastic seamed jackets, reinforced jacket structures, and the like
7.	5,419,196 Ultrasonic side-looker for rail head flaw detection
8.	5,386,727 Dynamic rail longitudinal stress measuring system
9.	5,363,702 Device for inspecting the rim of a railway wheel
10.	5,341,683 Dynamic rail longitudinal stress measuring system
11.	5,339,692 Ultrasonic rail web centerline detector
12.	5,316,030 Container flusher
13.	5,134,334 Ultrasonic linear motor
14.	5,101,132 Linear ultrasonic motor
15.	5,085,610 Dual sound toy train set
16.	5,005,988 Linear motion bearing
17.	4,951,032 Crib rail safety annunciator
18.	4,757,258 Probe carrier system for inspecting boiler tubes
19.	4,750,970 Plastic sheet sealing/welding machine
20.	4,700,574 Ultrasonic detection method of the internal defects of a railroad track rail located in the sides of the head of said rail and device to carry it out
21.	4,689,995 Method and apparatus for the non-destructive testing of railroad track rails
22.	4,628,875 Lubricant supply rail
23.	4,593,569 Ultrasonic transducer unit to locate cracks in rail base
24.	4,531,413 Ultrasonic flaw detector driving apparatus of a trackless type
25.	4,518,560 Rail apparatus around nuclear reactor pressure vessel and method of installing the same
26.	4,506,549 Method and device for the automatic checking of the soundness of the welds of mechano-weld assemblies
27.	4,487,071 Flaw detection system for railroad rails and the like
28.	4,475,966 Method and apparatus for manufacturing video disc caddy
29.	4,468,966 Railroad track inspection car
30.	4,457,178 Process and apparatus for testing of rails by ultrasound
31.	4,389,894 Cylindrical guide rail for detector
32.	4,383,448 Semi-automatic scanner for ultrasonic flaw detection
33.	4,344,448 Machine for cleaning receptacles
34.	4,344,138 Digital air brake control system
35.	4,331,034 Ultrasonic probing apparatus
36.	4,279,158 Ultrasonic flaw detector driving apparatus
37.	4,256,229 Boat for wafer processing
38.	4,235,112 Rail flaw detector position control
39.	4,143,553 Contoured search unit for detecting internal flaws
40.	4,050,292 Method and apparatus for testing railroad wheels
41.	4,044,594 Ultrasonic track testing carriage
42.	4,004,455 Flaw detecting apparatus for railroad rails and the like
43.	3,978,712 Method and apparatus for testing wear, size and residual stress conditions
44.	3,962,908 Transducer arrangement for ultrasonic rail tester coupling carriages
45.	3,960,005 Ultrasonic testing device for inspecting thermit rail welds
46.	3,943,756 Wall inspection device
47.	3,937,068 Transducer arrangement for ultrasonic rail tester coupling carriages