Karl Ries
19Patents
9h-index
23Co-inventors
72Inventor score
Filing activity: Dec 18, 1975 → Aug 11, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4173898A | System for nondestructive, ultrasonic testing of test objects | Physics | 27 | Expired |
| US4173897A | Method of adjusting ultrasonic test systems | Physics | 21 | Expired |
| US4065960A | Method and apparatus for monitoring the operation of ultrasonic testing of tubes and bars | Physics | 21 | Expired |
| US4240281A | Automatic self-checking of test equipment | Physics | 21 | Expired |
| US4058000A | Ultrasonic immersion type testing | Physics | 15 | Expired |
| US4147065A | Ultrasonic testing | Physics | 14 | Expired |
| US4164150A | System for inspecting tubes or pipes by means for ultrasonics | Physics | 13 | Expired |
| US4305297A | Ultrasonic testing of weld seams of pipes for detecting transversely extending defects | Physics | 12 | Expired |
| US4170143A | Recognizing ultrasonic response signals during testing of structural materials | Physics | 11 | Expired |
| US4206511A | Locating a welding seam | Physics | 9 | Expired |
| US4131026A | Ultrasonic testing of seams | Physics | 8 | Expired |
| US4106326A | Initialization and preparation of on-production-line ultrasonic test equipment | Physics | 8 | Expired |
| US4238963A | Test head for ultrasonic testing of structural material | Physics | 5 | Expired |
| US4162636A | Mount for ultrasonic test head | Physics | 4 | Expired |
| US4311905A | Film strip positioning for X-ray testing of pipes | Physics | 2 | Expired |
| US4182154A | Initializing ultrasonic test equipment with a particular reference element | Physics | 2 | Expired |
| US4131027A | Apparatus for ultrasonic inspection of the welding seam of large pipes | Physics | 2 | Expired |
| US5605206A | Platform for storage or removal of motor vehicles in parking garages | Fixed Constructions | 0 | Expired |
| US4213552A | Conveyor belt for filmstrip positioning | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.