Ljungkvist; Rikard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ljungkvist; Rikard.The latest application filed is for "method for starting a submerged arc welding process and welding apparatus".
- Ljungkvist; Rikard - Kumla SE
- Ljungkvist; Rikard - Kula SE
| Patent | Date |
|---|---|
| Method and system for submerged arc welding Grant 11,135,670 - Raudsepp , et al. October 5, 2 | 2021-10-05 |
| Method for Starting a Submerged Arc Welding Process and Welding Apparatus App 20210197306 - Raudsepp; Hannes ; et al. | 2021-07-01 |
| Method for starting a submerged arc welding process and welding apparatus Grant 10,913,127 - Raudsepp , et al. February 9, 2 | 2021-02-09 |
| Method And System For Submerged Arc Welding App 20190061040 - Raudsepp; Hannes ; et al. | 2019-02-28 |
| Method and system for submerged arc welding Grant 10,137,521 - Raudsepp , et al. November 27, 2 | 2018-11-27 |
| Method For Starting A Submerged Arc Welding Process And Welding Apparatus App 20150273614 - Raudsepp; Hannes ; et al. | 2015-10-01 |
| Method And System For Submerged Arc Welding App 20150202709 - Raudsepp; Hannes ; et al. | 2015-07-23 |
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