Drilling riser buoyancy module
Description
Claims
The ornamental design for a drilling riser buoyancy module, as shown and described.
Referenced Cited
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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)