Drilling riser buoyancy module
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Description
Claims
The ornamental design for a drilling riser buoyancy module, as shown and described.
Referenced Cited
U.S. Patent Documents
6712559 | March 30, 2004 | Lenormand |
6948884 | September 27, 2005 | Xu |
7628665 | December 8, 2009 | Cook |
8443896 | May 21, 2013 | Howard |
9039328 | May 26, 2015 | Melymuk |
10006254 | June 26, 2018 | Shi |
20020168232 | November 14, 2002 | Xu |
20050241832 | November 3, 2005 | Jones |
20080213048 | September 4, 2008 | Jones |
20100307762 | December 9, 2010 | Howard |
Patent History
Patent number: D861736
Type: Grant
Filed: Mar 5, 2019
Date of Patent: Oct 1, 2019
Assignee: CBM International, Inc. (Houston, TX)
Inventor: Shan Shi (Houston, TX)
Primary Examiner: Mark A Goodwin
Application Number: 29/682,382
Type: Grant
Filed: Mar 5, 2019
Date of Patent: Oct 1, 2019
Assignee: CBM International, Inc. (Houston, TX)
Inventor: Shan Shi (Houston, TX)
Primary Examiner: Mark A Goodwin
Application Number: 29/682,382
Classifications
Current U.S. Class:
Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)