Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 18420915 [patent_doc_number] => 20230175378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => Helix Hub with Improved Two-Phase Separation [patent_app_type] => utility [patent_app_number] => 18/103163 [patent_app_country] => US [patent_app_date] => 2023-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18103163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/103163
Helix hub with improved two-phase separation Jan 29, 2023 Issued
Array ( [id] => 18420860 [patent_doc_number] => 20230175323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => TRANSMISSION LINE TENSION ANCHOR FOR DRILL STRING COMPONENTS [patent_app_type] => utility [patent_app_number] => 18/160437 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5780 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18160437 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/160437
Transmission line tension anchor for drill string components Jan 26, 2023 Issued
Array ( [id] => 19817381 [patent_doc_number] => 20250075588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => MULTIPLE EXPANDABLE METAL PACKERS WITH HYDROLOCK PREVENTION [patent_app_type] => utility [patent_app_number] => 18/720970 [patent_app_country] => US [patent_app_date] => 2023-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18720970 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/720970
Multiple expandable metal packers with hydrolock prevention Jan 22, 2023 Issued
Array ( [id] => 19318984 [patent_doc_number] => 20240240527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => CONTROL LINE WITH SEAL ENHANCEMENT FEATURE, METHOD AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/155605 [patent_app_country] => US [patent_app_date] => 2023-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18155605 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/155605
CONTROL LINE WITH SEAL ENHANCEMENT FEATURE, METHOD AND SYSTEM Jan 16, 2023 Abandoned
Array ( [id] => 19318985 [patent_doc_number] => 20240240528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => SLIMLINE CONNECTOR FOR CONNECTING A MOTOR LEAD EXTENSION WITH AN ELECTRIC MOTOR FOR WELLBORE APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/153803 [patent_app_country] => US [patent_app_date] => 2023-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9562 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18153803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/153803
Slimline connector for connecting a motor lead extension with an electric motor for wellbore applications Jan 11, 2023 Issued
Array ( [id] => 19301033 [patent_doc_number] => 20240229602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => WIRELINE RETRIEVABLE AUTO Y-TOOL [patent_app_type] => utility [patent_app_number] => 18/153238 [patent_app_country] => US [patent_app_date] => 2023-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18153238 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/153238
Wireline retrievable auto Y-tool Jan 10, 2023 Issued
Array ( [id] => 19301030 [patent_doc_number] => 20240229599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => Hydrostatically Insensitve Plug Assembly [patent_app_type] => utility [patent_app_number] => 18/152737 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18152737 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/152737
Hydrostatically insensitive plug assembly Jan 9, 2023 Issued
Array ( [id] => 19282279 [patent_doc_number] => 20240218753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => MILLING AND WELLBORE METAL DEBRIS RECOVERY ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/092719 [patent_app_country] => US [patent_app_date] => 2023-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18092719 [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 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => High ratio reamer [patent_app_type] => utility [patent_app_number] => 18/148501 [patent_app_country] => US [patent_app_date] => 2022-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11229 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18148501 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/148501
High ratio reamer Dec 29, 2022 Issued
Array ( [id] => 19013524 [patent_doc_number] => 11920444 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-03-05 [patent_title] => Traveling valve assembly for reciprocating rod pumps [patent_app_type] => utility [patent_app_number] => 18/089066 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 2059 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18089066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/089066
Traveling valve assembly for reciprocating rod pumps Dec 26, 2022 Issued
Array ( [id] => 19793774 [patent_doc_number] => 12234710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Drive assembly for a well site [patent_app_type] => utility [patent_app_number] => 18/067976 [patent_app_country] => US [patent_app_date] => 2022-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3516 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18067976 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/067976
Drive assembly for a well site Dec 18, 2022 Issued
Array ( [id] => 18309907 [patent_doc_number] => 20230113807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [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 [patent_app_type] => utility [patent_app_number] => 18/081428 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18081428 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/081428
Methods of pre-testing expansion charge for selectively expanding a wall of a tubular, and methods of selectively expanding walls of nested tubulars Dec 13, 2022 Issued
Array ( [id] => 19505438 [patent_doc_number] => 12116851 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-15 [patent_title] => Drill cuttings composite core manufacturing method and apparatus [patent_app_type] => utility [patent_app_number] => 18/077433 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3598 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18077433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/077433
Drill cuttings composite core manufacturing method and apparatus Dec 7, 2022 Issued
Array ( [id] => 19724627 [patent_doc_number] => 20250027378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => PACKER ASSEMBLY WITH AN ANTI-EXTRUSION ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/714495 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18714495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/714495
Packer assembly with an anti-extrusion assembly Dec 4, 2022 Issued
Array ( [id] => 18526645 [patent_doc_number] => 11713634 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-01 [patent_title] => Systems and methods to efficiently cool drilling mud [patent_app_type] => utility [patent_app_number] => 18/061468 [patent_app_country] => US [patent_app_date] => 2022-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12067 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18061468 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/061468
Systems and methods to efficiently cool drilling mud Dec 3, 2022 Issued
Array ( [id] => 18270797 [patent_doc_number] => 20230092039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => ANTI-WHIRL STABILIZATION TOOLS [patent_app_type] => utility [patent_app_number] => 18/058902 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18058902 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/058902
Anti-whirl stabilization tools Nov 27, 2022 Issued
Array ( [id] => 18406373 [patent_doc_number] => 20230167724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => GAS DISPERSAL TOOL AND ASSOCIATED METHODS AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/059114 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3449 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059114 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059114
Gas dispersal tool and associated methods and systems Nov 27, 2022 Issued
Array ( [id] => 19242415 [patent_doc_number] => 12012838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Downhole sand separating apparatus with erosion resistant centrifugal separator [patent_app_type] => utility [patent_app_number] => 17/994200 [patent_app_country] => US [patent_app_date] => 2022-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 8605 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17994200 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/994200
Downhole sand separating apparatus with erosion resistant centrifugal separator Nov 24, 2022 Issued
Array ( [id] => 18932780 [patent_doc_number] => 11885188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Section mill [patent_app_type] => utility [patent_app_number] => 18/058178 [patent_app_country] => US [patent_app_date] => 2022-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 23 [patent_no_of_words] => 4324 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18058178 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/058178
Section mill Nov 21, 2022 Issued
Array ( [id] => 19188456 [patent_doc_number] => 20240167369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => TRAVELING VALVE ASSEMBLY FOR RECIPROCATING ROD PUMPS [patent_app_type] => utility [patent_app_number] => 18/056870 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18056870 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/056870
TRAVELING VALVE ASSEMBLY FOR RECIPROCATING ROD PUMPS Nov 17, 2022 Abandoned
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