Han; Chenghua
Patent Applications and Registrations
Patent applications and USPTO patent grants for Han; Chenghua.The latest application filed is for "integrated coaxial perforating acidizing operation".
- Han; Chenghua - Sugar Land TX
| Patent | Date |
|---|---|
| Integrated Coaxial Perforating Acidizing Operation App 20220090479 - Han; Chenghua ; et al. | 2022-03-24 |
| Modular Initiator App 20210164331 - Sokolove; Christopher Brian ; et al. | 2021-06-03 |
| Perforating devices utilizing thermite charges in well perforation and downhole fracing Grant 8,685,187 - Han , et al. April 1, 2 | 2014-04-01 |
| Perforating Devices Utilizing Thermite Charges In Well Perforation And Downhole Fracing App 20110146519 - Han; Chenghua ; et al. | 2011-06-23 |
| Loading tube for shaped charges Grant 7,942,098 - Han , et al. May 17, 2 | 2011-05-17 |
| Method for use in a wellbore Grant 7,673,566 - Han , et al. March 9, 2 | 2010-03-09 |
| Heat Insulating Container For A Detonator App 20090090263 - Han; Chenghua ; et al. | 2009-04-09 |
| Heat insulating container for a detonator Grant 7,481,166 - Han , et al. January 27, 2 | 2009-01-27 |
| Weight spacer apparatus Grant 7,409,993 - Han , et al. August 12, 2 | 2008-08-12 |
| Loading Tube For Shaped Charges App 20080121095 - Han; Chenghua ; et al. | 2008-05-29 |
| Weight Spacer Apparatus App 20080053298 - Han; Chenghua ; et al. | 2008-03-06 |
| Heat Insulating Container for a Detonator App 20070234921 - Han; Chenghua ; et al. | 2007-10-11 |
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