Search

Sing P. Chan

Examiner (ID: 19410, Phone: (571)272-1225 , Office: P/1745 )

Most Active Art Unit
1745
Art Unit(s)
1791, 1745, 1734
Total Applications
1303
Issued Applications
943
Pending Applications
36
Abandoned Applications
325

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19361512 [patent_doc_number] => 20240263546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => Systems and Methods Having An Analytical Tool For Diagnosis Of The Source Of Water Production In An Oil And Gas Well [patent_app_type] => utility [patent_app_number] => 18/166470 [patent_app_country] => US [patent_app_date] => 2023-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6177 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166470
Systems and Methods Having An Analytical Tool For Diagnosis Of The Source Of Water Production In An Oil And Gas Well Feb 7, 2023 Pending
Array ( [id] => 20256602 [patent_doc_number] => 12428945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Autonomous injection choke system for gas lift wells [patent_app_type] => utility [patent_app_number] => 18/159367 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3501 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18159367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/159367
Autonomous injection choke system for gas lift wells Jan 24, 2023 Issued
Array ( [id] => 18469606 [patent_doc_number] => 20230203890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => REPLACEABLE WEAR COMPONENTS FOR PERCUSSION TOOLS [patent_app_type] => utility [patent_app_number] => 18/089793 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18089793 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/089793
REPLACEABLE WEAR COMPONENTS FOR PERCUSSION TOOLS Dec 27, 2022 Abandoned
Array ( [id] => 19268035 [patent_doc_number] => 20240211739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => SLUG MONITORING AND FORECASTING IN PRODUCTION FLOWLINES THROUGH ARTIFICIAL INTELLIGENCE [patent_app_type] => utility [patent_app_number] => 18/146561 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18146561 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/146561
SLUG MONITORING AND FORECASTING IN PRODUCTION FLOWLINES THROUGH ARTIFICIAL INTELLIGENCE Dec 26, 2022 Pending
Array ( [id] => 19898250 [patent_doc_number] => 12276160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Multi pass two-part drilling/running and activation tool [patent_app_type] => utility [patent_app_number] => 18/083888 [patent_app_country] => US [patent_app_date] => 2022-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 46 [patent_no_of_words] => 5646 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18083888 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083888
Multi pass two-part drilling/running and activation tool Dec 18, 2022 Issued
Array ( [id] => 19940746 [patent_doc_number] => 12312869 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Two-part drilling and running tool [patent_app_type] => utility [patent_app_number] => 18/083826 [patent_app_country] => US [patent_app_date] => 2022-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 45 [patent_no_of_words] => 4284 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18083826 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083826
Two-part drilling and running tool Dec 18, 2022 Issued
Array ( [id] => 19274881 [patent_doc_number] => 12024998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Detection of fluid events in a wellbore [patent_app_type] => utility [patent_app_number] => 18/064387 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7856 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18064387 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/064387
Detection of fluid events in a wellbore Dec 11, 2022 Issued
Array ( [id] => 19234419 [patent_doc_number] => 20240191612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => INTELLIGENT DRILLING SYSTEM WITH EXTERNAL STATIONARY SENSING SHIELD [patent_app_type] => utility [patent_app_number] => 18/064105 [patent_app_country] => US [patent_app_date] => 2022-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18064105 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/064105
Intelligent drilling system with external stationary sensing shield Dec 8, 2022 Issued
Array ( [id] => 20701911 [patent_doc_number] => 12624613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Integrated screen for electrical flow control valve [patent_app_type] => utility [patent_app_number] => 18/714203 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18714203 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/714203
Integrated screen for electrical flow control valve Dec 6, 2022 Issued
Array ( [id] => 18636683 [patent_doc_number] => 11761272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Method for attaching a control line clamp [patent_app_type] => utility [patent_app_number] => 18/062175 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 8418 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062175
Method for attaching a control line clamp Dec 5, 2022 Issued
Array ( [id] => 20608773 [patent_doc_number] => 12584365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Sealing ring and joint for oil drilling plant [patent_app_type] => utility [patent_app_number] => 18/712603 [patent_app_country] => US [patent_app_date] => 2022-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18712603 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/712603
Sealing ring and joint for oil drilling plant Nov 23, 2022 Issued
Array ( [id] => 18361913 [patent_doc_number] => 20230143504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => SELECTIVE ELECTRODE USAGE FOR DIRECTIONAL PULSE POWER DRILLING FROM A SINGLE POWER SOURCE [patent_app_type] => utility [patent_app_number] => 17/982739 [patent_app_country] => US [patent_app_date] => 2022-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982739 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982739
Selective electrode usage for directional pulse power drilling from a single power source Nov 7, 2022 Issued
Array ( [id] => 19142897 [patent_doc_number] => 20240141751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => DOWNHOLE TOOL INCLUDING A VALVE HAVING A MODULAR ACTIVATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/975728 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4130 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17975728 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/975728
DOWNHOLE TOOL INCLUDING A VALVE HAVING A MODULAR ACTIVATION SYSTEM Oct 27, 2022 Abandoned
Array ( [id] => 19441679 [patent_doc_number] => 12091924 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Quick release slips, method, and system [patent_app_type] => utility [patent_app_number] => 17/976412 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2233 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17976412 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/976412
Quick release slips, method, and system Oct 27, 2022 Issued
Array ( [id] => 18179237 [patent_doc_number] => 20230039966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Locking Clamp for a Rotating Control Device [patent_app_type] => utility [patent_app_number] => 17/974372 [patent_app_country] => US [patent_app_date] => 2022-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11177 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17974372 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/974372
Locking clamp for a rotating control device Oct 25, 2022 Issued
Array ( [id] => 19738740 [patent_doc_number] => 12215564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Packer system with load bypass to prevent premature expansion [patent_app_type] => utility [patent_app_number] => 18/049374 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 6941 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 375 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049374 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049374
Packer system with load bypass to prevent premature expansion Oct 24, 2022 Issued
Array ( [id] => 19738740 [patent_doc_number] => 12215564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Packer system with load bypass to prevent premature expansion [patent_app_type] => utility [patent_app_number] => 18/049374 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 6941 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 375 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049374 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049374
Packer system with load bypass to prevent premature expansion Oct 24, 2022 Issued
Array ( [id] => 19594645 [patent_doc_number] => 12152475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Intake fluid density control system [patent_app_type] => utility [patent_app_number] => 17/968685 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3831 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17968685 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/968685
Intake fluid density control system Oct 17, 2022 Issued
Array ( [id] => 20527787 [patent_doc_number] => 12546216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Methods and systems for predicting lithology and formation boundary ahead of the bit [patent_app_type] => utility [patent_app_number] => 18/247611 [patent_app_country] => US [patent_app_date] => 2022-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 7 [patent_no_of_words] => 2289 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 493 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18247611 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/247611
Methods and systems for predicting lithology and formation boundary ahead of the bit Oct 12, 2022 Issued
Array ( [id] => 19326423 [patent_doc_number] => 12044092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Fracturing tree with valves and bore junction in shared body [patent_app_type] => utility [patent_app_number] => 17/962432 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4408 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17962432 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/962432
Fracturing tree with valves and bore junction in shared body Oct 6, 2022 Issued
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