
Sang Yeop Paik
Examiner (ID: 5222, Phone: (571)272-4783 , Office: P/3742 )
| Most Active Art Unit | 3742 |
| Art Unit(s) | 3742, 2899, 3761, 2106 |
| Total Applications | 2641 |
| Issued Applications | 1764 |
| Pending Applications | 182 |
| Abandoned Applications | 723 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 20414593
[patent_doc_number] => 12497866
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-12-16
[patent_title] => Expandable liner hanger with robust slips for downhole conditions with high pressure conditions
[patent_app_type] => utility
[patent_app_number] => 18/543925
[patent_app_country] => US
[patent_app_date] => 2023-12-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 1166
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 99
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18543925
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/543925 | Expandable liner hanger with robust slips for downhole conditions with high pressure conditions | Dec 17, 2023 | Issued |
Array
(
[id] => 20050595
[patent_doc_number] => 20250188817
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-06-12
[patent_title] => TUBING AND CONTROL LINE HYDROSTATIC-INSENSITIVE SINGLE CONTROL LINE SAFETY VALVE
[patent_app_type] => utility
[patent_app_number] => 18/537795
[patent_app_country] => US
[patent_app_date] => 2023-12-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 0
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 85
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18537795
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/537795 | Tubing and control line hydrostatic-insensitive single control line safety valve | Dec 11, 2023 | Issued |
Array
(
[id] => 19910652
[patent_doc_number] => 12286855
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-04-29
[patent_title] => Wellhead connector safety sensor
[patent_app_type] => utility
[patent_app_number] => 18/531875
[patent_app_country] => US
[patent_app_date] => 2023-12-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 0
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 210
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18531875
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/531875 | Wellhead connector safety sensor | Dec 6, 2023 | Issued |
Array
(
[id] => 19234406
[patent_doc_number] => 20240191599
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-13
[patent_title] => AUTONOMOUS SELF-REGULATING INJECTION CONTROL VALVE (ASRICV)
[patent_app_type] => utility
[patent_app_number] => 18/530416
[patent_app_country] => US
[patent_app_date] => 2023-12-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 21875
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 195
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18530416
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/530416 | Autonomous self-regulating injection control valve (ASRICV) | Dec 5, 2023 | Issued |
Array
(
[id] => 20041921
[patent_doc_number] => 20250180143
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-06-05
[patent_title] => LINED PIPE AND JOINTS THEREOF
[patent_app_type] => utility
[patent_app_number] => 18/524396
[patent_app_country] => US
[patent_app_date] => 2023-11-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1183
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[patent_words_short_claim] => 133
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18524396
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/524396 | LINED PIPE AND JOINTS THEREOF | Nov 29, 2023 | Pending |
Array
(
[id] => 19051621
[patent_doc_number] => 20240093590
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-21
[patent_title] => METHODS AND SYSTEMS FOR ADAPTIVE NON-CONTACT / CONTACT BORING
[patent_app_type] => utility
[patent_app_number] => 18/524287
[patent_app_country] => US
[patent_app_date] => 2023-11-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12043
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 90
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18524287
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/524287 | Methods and systems for adaptive non-contact / contact boring | Nov 29, 2023 | Issued |
Array
(
[id] => 19051618
[patent_doc_number] => 20240093587
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-21
[patent_title] => Particle Trap Apparatus and Method
[patent_app_type] => utility
[patent_app_number] => 18/522742
[patent_app_country] => US
[patent_app_date] => 2023-11-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6981
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 110
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18522742
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/522742 | Particle Trap Apparatus and Method | Nov 28, 2023 | Pending |
Array
(
[id] => 19970442
[patent_doc_number] => 12339042
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-06-24
[patent_title] => Method for configuring wellbores in a geologic formation
[patent_app_type] => utility
[patent_app_number] => 18/521672
[patent_app_country] => US
[patent_app_date] => 2023-11-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 19
[patent_no_of_words] => 1048
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 147
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521672
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/521672 | Method for configuring wellbores in a geologic formation | Nov 27, 2023 | Issued |
Array
(
[id] => 20025539
[patent_doc_number] => 20250163761
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-05-22
[patent_title] => CUTTING ELEMENTS AND GEOMETRIES FOR REDUCED VIBRATIONS, EARTH-BORING TOOLS, AND RELATED METHODS
[patent_app_type] => utility
[patent_app_number] => 18/517613
[patent_app_country] => US
[patent_app_date] => 2023-11-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6776
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[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] => 18517613
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/517613 | Cutting elements and geometries for reduced vibrations, earth-boring tools, and related methods | Nov 21, 2023 | Issued |
Array
(
[id] => 19188428
[patent_doc_number] => 20240167341
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-23
[patent_title] => Full-hole reverse circulation cluster-type down-the-hole (DTH) hammer with multiple independent hannels
[patent_app_type] => utility
[patent_app_number] => 18/512032
[patent_app_country] => US
[patent_app_date] => 2023-11-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3105
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -4
[patent_words_short_claim] => 501
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512032
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/512032 | Full-hole reverse circulation cluster-type down-the-hole (DTH) hammer with multiple independent channels | Nov 16, 2023 | Issued |
Array
(
[id] => 20173473
[patent_doc_number] => 12392207
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-08-19
[patent_title] => Anchor, method, and system
[patent_app_type] => utility
[patent_app_number] => 18/508901
[patent_app_country] => US
[patent_app_date] => 2023-11-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 0
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 44
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18508901
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/508901 | Anchor, method, and system | Nov 13, 2023 | Issued |
Array
(
[id] => 19020787
[patent_doc_number] => 20240076958
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-07
[patent_title] => DOWNHOLE PRESSURE WAVE GENERATING DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/504579
[patent_app_country] => US
[patent_app_date] => 2023-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10244
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -21
[patent_words_short_claim] => 73
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504579
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/504579 | Downhole pressure wave generating device | Nov 7, 2023 | Issued |
Array
(
[id] => 20272507
[patent_doc_number] => 12442281
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-10-14
[patent_title] => Smart fracturing system and method
[patent_app_type] => utility
[patent_app_number] => 18/503810
[patent_app_country] => US
[patent_app_date] => 2023-11-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 8
[patent_no_of_words] => 1150
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[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] => 18503810
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/503810 | Smart fracturing system and method | Nov 6, 2023 | Issued |
Array
(
[id] => 20008141
[patent_doc_number] => 20250146363
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-05-08
[patent_title] => SYSTEMS AND METHODS FOR RANGING AND TRACKING WHILE DRILLING MULTIPLE GEOLOGICAL WELLS
[patent_app_type] => utility
[patent_app_number] => 18/502111
[patent_app_country] => US
[patent_app_date] => 2023-11-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1143
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 185
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18502111
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/502111 | Systems and methods for ranging and tracking while drilling multiple geological wells | Nov 5, 2023 | Issued |
Array
(
[id] => 19999108
[patent_doc_number] => 20250137330
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-05-01
[patent_title] => ACTIVE TORSIONAL ISOLATOR AND DAMPER
[patent_app_type] => utility
[patent_app_number] => 18/498868
[patent_app_country] => US
[patent_app_date] => 2023-10-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1145
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -20
[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] => 18498868
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/498868 | ACTIVE TORSIONAL ISOLATOR AND DAMPER | Oct 30, 2023 | Pending |
Array
(
[id] => 19142891
[patent_doc_number] => 20240141745
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-02
[patent_title] => ADJUSTABLE WHIPSTOCK ISOLATION MECHANISM
[patent_app_type] => utility
[patent_app_number] => 18/492307
[patent_app_country] => US
[patent_app_date] => 2023-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5373
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492307
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/492307 | Adjustable whipstock isolation mechanism | Oct 22, 2023 | Issued |
Array
(
[id] => 19128151
[patent_doc_number] => 20240133504
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-25
[patent_title] => DEVICE AND METHOD FOR ELIMINATION OF A LEAK IDENTIFIED IN AN EXPANSION JOINT OF A GAS PIPE IN OPERATION
[patent_app_type] => utility
[patent_app_number] => 18/490835
[patent_app_country] => US
[patent_app_date] => 2023-10-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3915
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 46
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490835
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/490835 | DEVICE AND METHOD FOR ELIMINATION OF A LEAK IDENTIFIED IN AN EXPANSION JOINT OF A GAS PIPE IN OPERATION | Oct 19, 2023 | Pending |
Array
(
[id] => 19991449
[patent_doc_number] => 20250129671
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-04-24
[patent_title] => UNDERREAMER DRILL HAMMER
[patent_app_type] => utility
[patent_app_number] => 18/491085
[patent_app_country] => US
[patent_app_date] => 2023-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 0
[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] => 18491085
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/491085 | Underreamer drill hammer | Oct 19, 2023 | Issued |
Array
(
[id] => 19128151
[patent_doc_number] => 20240133504
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-25
[patent_title] => DEVICE AND METHOD FOR ELIMINATION OF A LEAK IDENTIFIED IN AN EXPANSION JOINT OF A GAS PIPE IN OPERATION
[patent_app_type] => utility
[patent_app_number] => 18/490835
[patent_app_country] => US
[patent_app_date] => 2023-10-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3915
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 46
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490835
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/490835 | DEVICE AND METHOD FOR ELIMINATION OF A LEAK IDENTIFIED IN AN EXPANSION JOINT OF A GAS PIPE IN OPERATION | Oct 18, 2023 | Pending |
Array
(
[id] => 19809955
[patent_doc_number] => 12241329
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-03-04
[patent_title] => Automatic slip-style casing hanger for use with surface wellheads
[patent_app_type] => utility
[patent_app_number] => 18/489267
[patent_app_country] => US
[patent_app_date] => 2023-10-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 5066
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 92
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489267
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/489267 | Automatic slip-style casing hanger for use with surface wellheads | Oct 17, 2023 | Issued |