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Patent applications and USPTO patent grants for Van Opdorp; Robertus Martinus.The latest application filed is for "method and device for producing a ribbon and a thread of bamboo fiber".
Patent | Date |
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Injection assembly, injection pump, and method for supply of additive to a fluid in a pipe Grant 11,225,953 - Van Opdorp , et al. January 18, 2 | 2022-01-18 |
Method And Device For Producing A Ribbon And A Thread Of Bamboo Fiber App 20200308740 - BOKELOH; Marcus Anton Hubertus ;   et al. | 2020-10-01 |
Injection Assembly, Injection Pump, And Method For Supply Of Additive To A Fluid In A Pipe App 20190186476 - VAN OPDORP; Robertus Martinus ;   et al. | 2019-06-20 |
Electricity-free water purification installation with a membrane filter and a system of automatic backwashing of the filter Grant 9,457,298 - Van Opdorp October 4, 2 | 2016-10-04 |
Electricity-free Water Purification Installation With A Membrane Filter And A System Of Automatic Backwashing Of The Filter App 20140190877 - Van Opdorp; Robertus Martinus | 2014-07-10 |
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