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Patent applications and USPTO patent grants for Jantzon; Cersten.The latest application filed is for "top repairable gas-charged bladder type pulsation dampener".
Patent | Date |
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Top Repairable Gas-charged Bladder Type Pulsation Dampener App 20220205575 - Rogers; John Thomas ;   et al. | 2022-06-30 |
Drill String-connected Protection From Borehole Pulsation Energies App 20220205324 - Rogers; John Thomas ;   et al. | 2022-06-30 |
Surface Equipment Protection From Borehole Pulsation Energies App 20220112774 - Love; Lucas ;   et al. | 2022-04-14 |
Reactive Fluid System Accounting For Thermal Expansion In Replacement Of Nitrogen Within Charged Pulsation Control Equipment App 20210222813 - Rogers; John Thomas ;   et al. | 2021-07-22 |
Bladder Saver Device App 20210199227 - Jantzon; Cersten | 2021-07-01 |
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