Ring; Karl Frode
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ring; Karl Frode.The latest application filed is for "magnetic pig positioning system and method".
- Ring; Karl Frode - Oslo NO
- Ring; Karl Frode - Asker NO
| Patent | Date |
|---|---|
| Magnetic pig positioning system and method Grant 11,287,492 - Ring , et al. March 29, 2 | 2022-03-29 |
| Magnetic Pig Positioning System And Method App 20210132162 - RING; Karl Frode ; et al. | 2021-05-06 |
| Arrangement for operating the clutch in the power train of a motor vehicle Grant 6,602,161 - Hemmingsen , et al. August 5, 2 | 2003-08-05 |
| Arrangement for operating the clutch in the power train of a motor vehicle App 20020086769 - Hemmingsen, Fred Roar ; et al. | 2002-07-04 |
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