Search

Sunil Singh

Examiner (ID: 8898, Phone: (571)272-7051 , Office: P/3678 )

Most Active Art Unit
3678
Art Unit(s)
3678, 3672, 3673, 3625
Total Applications
2016
Issued Applications
1350
Pending Applications
133
Abandoned Applications
542

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20016646 [patent_doc_number] => 20250154868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => ELECTRIC-PULSE FRACTURING DEVICE AND METHOD FOR HARD ROOF OF COAL MINE BASED ON SELF-SEALING WATER BAG [patent_app_type] => utility [patent_app_number] => 18/425890 [patent_app_country] => US [patent_app_date] => 2024-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18425890 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/425890
Electric-pulse fracturing device and method for hard roof of coal mine based on self-sealing water bag Jan 28, 2024 Issued
Array ( [id] => 19521444 [patent_doc_number] => 12123157 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-22 [patent_title] => Delaminated subway station structure in sea-land connection region and construction method thereof [patent_app_type] => utility [patent_app_number] => 18/403752 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6279 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 998 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18403752 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/403752
Delaminated subway station structure in sea-land connection region and construction method thereof Jan 3, 2024 Issued
Array ( [id] => 19097906 [patent_doc_number] => 20240117134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => WATERPROOF MEMBRANE, PREPARATION METHOD AND CONSTRUCTION METHOD THEREOF, AND TUNNEL WATERPROOF SYSTEM [patent_app_type] => utility [patent_app_number] => 18/542283 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542283 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542283
WATERPROOF MEMBRANE, PREPARATION METHOD AND CONSTRUCTION METHOD THEREOF, AND TUNNEL WATERPROOF SYSTEM Dec 14, 2023 Pending
Array ( [id] => 20788464 [patent_doc_number] => 12662368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Trenches for delivering service supplies [patent_app_type] => utility [patent_app_number] => 18/540994 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 3552 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18540994 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/540994
Trenches for delivering service supplies Dec 14, 2023 Issued
Array ( [id] => 20330101 [patent_doc_number] => 12460368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => End cap assembly for a trench box and method of utilization thereof [patent_app_type] => utility [patent_app_number] => 18/538075 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 5658 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18538075 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/538075
End cap assembly for a trench box and method of utilization thereof Dec 12, 2023 Issued
Array ( [id] => 19234332 [patent_doc_number] => 20240191525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => CAISSON HEIGHT PROFILER SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/535802 [patent_app_country] => US [patent_app_date] => 2023-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18535802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/535802
Caisson height profiler system and method Dec 10, 2023 Issued
Array ( [id] => 19083856 [patent_doc_number] => 20240110657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => BORE PRESSURIZED PIPE HANDLING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/530408 [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] => 24980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18530408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/530408
BORE PRESSURIZED PIPE HANDLING SYSTEMS AND METHODS Dec 5, 2023 Pending
Array ( [id] => 19020812 [patent_doc_number] => 20240076983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => Tunnel Extraction Machine (TEM) [patent_app_type] => utility [patent_app_number] => 18/386989 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18386989 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386989
Tunnel Extraction Machine (TEM) Nov 2, 2023 Pending
Array ( [id] => 19128135 [patent_doc_number] => 20240133488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => PIPELINE HOISTING STRUCTURE AND METHOD [patent_app_type] => utility [patent_app_number] => 18/494588 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3592 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494588 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494588
PIPELINE HOISTING STRUCTURE AND METHOD Oct 24, 2023 Pending
Array ( [id] => 19128135 [patent_doc_number] => 20240133488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => PIPELINE HOISTING STRUCTURE AND METHOD [patent_app_type] => utility [patent_app_number] => 18/494588 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3592 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494588 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494588
PIPELINE HOISTING STRUCTURE AND METHOD Oct 23, 2023 Pending
Array ( [id] => 20563181 [patent_doc_number] => 12565785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Wave pool [patent_app_type] => utility [patent_app_number] => 18/485859 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 2523 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 433 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18485859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/485859
Wave pool Oct 11, 2023 Issued
Array ( [id] => 19068157 [patent_doc_number] => 20240102583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => System and Method for Protection of Under-Slab Utilities From Changes in Soil Volume [patent_app_type] => utility [patent_app_number] => 18/373864 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 756 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18373864 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373864
System and Method for Protection of Under-Slab Utilities From Changes in Soil Volume Sep 26, 2023 Pending
Array ( [id] => 19152008 [patent_doc_number] => 11976914 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-07 [patent_title] => Efficient blasting method for similar cutting in rock tunnel [patent_app_type] => utility [patent_app_number] => 18/370545 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5555 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 486 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18370545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/370545
Efficient blasting method for similar cutting in rock tunnel Sep 19, 2023 Issued
Array ( [id] => 18862570 [patent_doc_number] => 20230417006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => VIBRATORY COMPACTOR [patent_app_type] => utility [patent_app_number] => 18/463701 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2451 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463701 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463701
Vibratory compactor Sep 7, 2023 Issued
Array ( [id] => 19563970 [patent_doc_number] => 12138721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Mining shield base lift methods [patent_app_type] => utility [patent_app_number] => 18/241590 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4138 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18241590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241590
Mining shield base lift methods Aug 31, 2023 Issued
Array ( [id] => 19473056 [patent_doc_number] => 12103124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Mining shield base lift wear pad [patent_app_type] => utility [patent_app_number] => 18/241619 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4109 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18241619 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241619
Mining shield base lift wear pad Aug 31, 2023 Issued
Array ( [id] => 19402691 [patent_doc_number] => 20240286202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Retainer for a Rotating Bit [patent_app_type] => utility [patent_app_number] => 18/236672 [patent_app_country] => US [patent_app_date] => 2023-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13921 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18236672 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/236672
Retainer for a Rotating Bit Aug 21, 2023 Pending
Array ( [id] => 20420681 [patent_doc_number] => 20250382766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => ONSHORE ANCHORING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/878919 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18878919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/878919
ONSHORE ANCHORING SYSTEM Jul 16, 2023 Pending
Array ( [id] => 19962547 [patent_doc_number] => 12332038 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Efficient cut blasting method for medium-length holes in deep high-stress rock roadway based on crustal stress induction effect [patent_app_type] => utility [patent_app_number] => 18/342369 [patent_app_country] => US [patent_app_date] => 2023-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 21 [patent_no_of_words] => 5874 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18342369 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/342369
Efficient cut blasting method for medium-length holes in deep high-stress rock roadway based on crustal stress induction effect Jun 26, 2023 Issued
Array ( [id] => 20420674 [patent_doc_number] => 20250382759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => A STRUCTURED SEAWALL FOR PROMOTING BIODIVERSITY THEREON [patent_app_type] => utility [patent_app_number] => 18/878689 [patent_app_country] => US [patent_app_date] => 2023-06-22 [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] => -14 [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] => 18878689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/878689
A STRUCTURED SEAWALL FOR PROMOTING BIODIVERSITY THEREON Jun 21, 2023 Pending
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