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] => 19505450 [patent_doc_number] => 12116863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Check valve, associated downhole data collection system and inner core [patent_app_type] => utility [patent_app_number] => 17/580378 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5894 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580378 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580378
Check valve, associated downhole data collection system and inner core Jan 19, 2022 Issued
Array ( [id] => 18511988 [patent_doc_number] => 20230228182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => REAL-TIME EVAL OPTIMIZES DRILLING OPERATIONS EFFICIENCY [patent_app_type] => utility [patent_app_number] => 17/579103 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17579103 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/579103
REAL-TIME EVAL OPTIMIZES DRILLING OPERATIONS EFFICIENCY Jan 18, 2022 Abandoned
Array ( [id] => 19211166 [patent_doc_number] => 12000216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Horizontal directional drill string having dual fluid paths [patent_app_type] => utility [patent_app_number] => 17/576514 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 6536 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17576514 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/576514
Horizontal directional drill string having dual fluid paths Jan 13, 2022 Issued
Array ( [id] => 18498559 [patent_doc_number] => 20230221267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => Petro-Steering Methodologies During Under Balanced Coiled Tubing (UBTC) Drilling Operations [patent_app_type] => utility [patent_app_number] => 17/647814 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647814 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647814
Petro-steering methodologies during under balanced coiled tubing (UBTC) drilling operations Jan 11, 2022 Issued
Array ( [id] => 19431561 [patent_doc_number] => 20240300059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => WELLBORE GUN BUILDER WITH GUN CHUCKS AND METHOD OF USING SAME [patent_app_type] => utility [patent_app_number] => 18/271439 [patent_app_country] => US [patent_app_date] => 2022-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18271439 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/271439
WELLBORE GUN BUILDER WITH GUN CHUCKS AND METHOD OF USING SAME Jan 8, 2022 Pending
Array ( [id] => 17563804 [patent_doc_number] => 20220127953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => METHODS AND SYSTEMS TO DETECT AN UNTETHERED DEVICE AT A WELLHEAD [patent_app_type] => utility [patent_app_number] => 17/568485 [patent_app_country] => US [patent_app_date] => 2022-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17568485 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/568485
Methods and systems to detect an untethered device at a wellhead Jan 3, 2022 Issued
Array ( [id] => 17838395 [patent_doc_number] => 20220275700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => IMPROVEMENTS TO THERMALLY DEFORMABLE ANNULAR PACKERS [patent_app_type] => utility [patent_app_number] => 17/549789 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7429 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549789 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549789
Thermally deformable annular packers Dec 12, 2021 Issued
Array ( [id] => 18972616 [patent_doc_number] => 20240052708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => ROCK DRILL INSERT AND METHOD FOR MANUFACTURING A ROCK DRILL INSERT [patent_app_type] => utility [patent_app_number] => 18/259607 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18259607 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/259607
Rock drill insert and method for manufacturing a rock drill insert Dec 9, 2021 Issued
Array ( [id] => 18590741 [patent_doc_number] => 11739627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Error-space feedback controller for drill bit steering [patent_app_type] => utility [patent_app_number] => 17/546906 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 7966 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546906 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546906
Error-space feedback controller for drill bit steering Dec 8, 2021 Issued
Array ( [id] => 18420931 [patent_doc_number] => 20230175394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => METHOD AND SYSTEM FOR CONSTRUCTION OF ARTIFICIAL INTELLIGENCE MODEL USING ON-CUTTER SENSING DATA FOR PREDICTING WELL BIT PERFORMANCE [patent_app_type] => utility [patent_app_number] => 17/643194 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9090 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17643194 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643194
Method and system for construction of artificial intelligence model using on-cutter sensing data for predicting well bit performance Dec 7, 2021 Issued
Array ( [id] => 18420928 [patent_doc_number] => 20230175391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => TUBING ECCENTRICITY EVALUATION USING ACOUSTIC SIGNALS [patent_app_type] => utility [patent_app_number] => 17/543130 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8591 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17543130 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/543130
Tubing eccentricity evaluation using acoustic signals Dec 5, 2021 Issued
Array ( [id] => 17548805 [patent_doc_number] => 20220120146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => ROBOTIC APPARATUS FOR PERFORMING DRILL FLOOR OPERATIONS [patent_app_type] => utility [patent_app_number] => 17/539329 [patent_app_country] => US [patent_app_date] => 2021-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17539329 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/539329
Robotic apparatus for performing drill floor operations Nov 30, 2021 Issued
Array ( [id] => 18233616 [patent_doc_number] => 11598165 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Automated drilling-fluid additive system and method [patent_app_type] => utility [patent_app_number] => 17/537262 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3281 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17537262 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/537262
Automated drilling-fluid additive system and method Nov 28, 2021 Issued
Array ( [id] => 18420865 [patent_doc_number] => 20230175328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => DRILL STRING SOLIDS DEPLOYMENT [patent_app_type] => utility [patent_app_number] => 17/528918 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7171 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17528918 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/528918
Drill string solids deployment Nov 16, 2021 Issued
Array ( [id] => 18302371 [patent_doc_number] => 11624265 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-11 [patent_title] => Cutting pipes in wellbores using downhole autonomous jet cutting tools [patent_app_type] => utility [patent_app_number] => 17/525570 [patent_app_country] => US [patent_app_date] => 2021-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 9543 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17525570 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/525570
Cutting pipes in wellbores using downhole autonomous jet cutting tools Nov 11, 2021 Issued
Array ( [id] => 18384907 [patent_doc_number] => 11655679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Downhole drilling tool with a polycrystalline diamond bearing [patent_app_type] => utility [patent_app_number] => 17/518315 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 58 [patent_no_of_words] => 20641 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17518315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/518315
Downhole drilling tool with a polycrystalline diamond bearing Nov 2, 2021 Issued
Array ( [id] => 18505088 [patent_doc_number] => 11702893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Dissolvable downhole connect tool [patent_app_type] => utility [patent_app_number] => 17/517614 [patent_app_country] => US [patent_app_date] => 2021-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2786 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17517614 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/517614
Dissolvable downhole connect tool Nov 1, 2021 Issued
Array ( [id] => 18369553 [patent_doc_number] => 11649713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Rope tensioning system for drilling rig [patent_app_type] => utility [patent_app_number] => 17/502912 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10472 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17502912 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/502912
Rope tensioning system for drilling rig Oct 14, 2021 Issued
Array ( [id] => 18786705 [patent_doc_number] => 20230374875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => A SELECTIVELY ACTIVATABLE DOWNHOLE TOOL [patent_app_type] => utility [patent_app_number] => 18/027893 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18027893 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027893
Selectively activatable downhole tool Oct 11, 2021 Issued
Array ( [id] => 19166244 [patent_doc_number] => 11982137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Reel control in a coiled tubing system [patent_app_type] => utility [patent_app_number] => 17/496364 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 15127 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [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] => 17496364 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496364
Reel control in a coiled tubing system Oct 6, 2021 Issued
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