
Kun Kai Ma
Examiner (ID: 17412, Phone: (571)270-3530 , Office: P/3744 )
| Most Active Art Unit | 3763 |
| Art Unit(s) | 3744, 3763 |
| Total Applications | 969 |
| Issued Applications | 713 |
| Pending Applications | 109 |
| Abandoned Applications | 172 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
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[patent_title] => Helix Hub with Improved Two-Phase Separation
[patent_app_type] => utility
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[patent_app_country] => US
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Array
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[patent_title] => TRANSMISSION LINE TENSION ANCHOR FOR DRILL STRING COMPONENTS
[patent_app_type] => utility
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Array
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[patent_title] => MULTIPLE EXPANDABLE METAL PACKERS WITH HYDROLOCK PREVENTION
[patent_app_type] => utility
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Array
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[patent_title] => CONTROL LINE WITH SEAL ENHANCEMENT FEATURE, METHOD AND SYSTEM
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Array
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[patent_title] => SLIMLINE CONNECTOR FOR CONNECTING A MOTOR LEAD EXTENSION WITH AN ELECTRIC MOTOR FOR WELLBORE APPLICATIONS
[patent_app_type] => utility
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Array
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[patent_title] => WIRELINE RETRIEVABLE AUTO Y-TOOL
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Array
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[patent_title] => Hydrostatically Insensitve Plug Assembly
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Array
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[id] => 19282279
[patent_doc_number] => 20240218753
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[patent_issue_date] => 2024-07-04
[patent_title] => MILLING AND WELLBORE METAL DEBRIS RECOVERY ASSEMBLY
[patent_app_type] => utility
[patent_app_number] => 18/092719
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[patent_app_date] => 2023-01-03
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/092719 | Milling and wellbore metal debris recovery assembly | Jan 2, 2023 | Issued |
Array
(
[id] => 18620865
[patent_doc_number] => 11753893
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[patent_title] => High ratio reamer
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Array
(
[id] => 19013524
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[patent_title] => Traveling valve assembly for reciprocating rod pumps
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Array
(
[id] => 19793774
[patent_doc_number] => 12234710
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[patent_issue_date] => 2025-02-25
[patent_title] => Drive assembly for a well site
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/067976 | Drive assembly for a well site | Dec 18, 2022 | Issued |
Array
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[patent_title] => METHODS OF PRE-TESTING EXPANSION CHARGE FOR SELECTIVELY EXPANDING A WALL OF A TUBULAR, AND METHODS OF SELECTIVELY EXPANDING WALLS OF NESTED TUBULARS
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Array
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Array
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Array
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Array
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Array
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