Patent applications and USPTO patent grants for Riekor Corporation.The latest application filed is for "apparatus utilizing planetary gearset coupled to a constant torsion spring".
Patent | Date |
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Apparatus utilizing planetary gearset coupled to a constant torsion spring Grant 10,760,657 - Heiraas , et al. Sep | 2020-09-01 |
Apparatus Utilizing Planetary Gearset Coupled To A Constant Torsion Spring App 20180023675 - Heiraas; Ryan ;   et al. | 2018-01-25 |
Apparatus utilizing planetary gearset coupled to a constant torsion spring Grant 9,791,027 - Heiraas , et al. October 17, 2 | 2017-10-17 |
Apparatus Utilizing Planetary Gearset Coupled To A Constant Torsion Spring App 20170067549 - Heiraas; Ryan ;   et al. | 2017-03-09 |
Dual-input Gearbox With Input Shafts Coupled Via A Clutch App 20160348778 - Erhart; Timothy A. ;   et al. | 2016-12-01 |
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