Search

Katherine J. Chu

Examiner (ID: 2288, Phone: (571)272-7819 , Office: P/3671 )

Most Active Art Unit
3671
Art Unit(s)
3671
Total Applications
602
Issued Applications
271
Pending Applications
66
Abandoned Applications
275

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19909198 [patent_doc_number] => 12285382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Detectable warning system [patent_app_type] => utility [patent_app_number] => 18/731160 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 26 [patent_no_of_words] => 11756 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [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] => 18731160 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/731160
Detectable warning system May 30, 2024 Issued
Array ( [id] => 19580186 [patent_doc_number] => 12146286 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => Selectively frictionally engaged hole cover [patent_app_type] => utility [patent_app_number] => 18/421384 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 9899 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18421384 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/421384
Selectively frictionally engaged hole cover Jan 23, 2024 Issued
Array ( [id] => 19157133 [patent_doc_number] => 20240149840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => TRACKOUT MAT [patent_app_type] => utility [patent_app_number] => 18/415095 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415095
Trackout mat Jan 16, 2024 Issued
Array ( [id] => 19724531 [patent_doc_number] => 20250027282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => PRESTRESSED STRENGTHENING APPARATUS FOR PREFABRICATED HIGHWAY BRIDGE [patent_app_type] => utility [patent_app_number] => 18/399539 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18399539 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/399539
Prestressed strengthening apparatus for prefabricated highway bridge Dec 27, 2023 Issued
Array ( [id] => 19249306 [patent_doc_number] => 20240200293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => Shock Absorbing Retractable Bollard Systems [patent_app_type] => utility [patent_app_number] => 18/545412 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18545412 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/545412
Shock Absorbing Retractable Bollard Systems Dec 18, 2023 Pending
Array ( [id] => 20050467 [patent_doc_number] => 20250188689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => SYSTEMS, METHODS, AND APPARATUSES FOR HEATING A SCREED OF A PAVING MACHINE [patent_app_type] => utility [patent_app_number] => 18/533233 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2427 [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] => 18533233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/533233
SYSTEMS, METHODS, AND APPARATUSES FOR HEATING A SCREED OF A PAVING MACHINE Dec 7, 2023 Pending
Array ( [id] => 19738646 [patent_doc_number] => 12215469 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-04 [patent_title] => Deployable traffic mitigators with a network array [patent_app_type] => utility [patent_app_number] => 18/387429 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 9285 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18387429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/387429
Deployable traffic mitigators with a network array Nov 5, 2023 Issued
Array ( [id] => 18972493 [patent_doc_number] => 20240052585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => BEAM FOR A VEHICLE BARRIER [patent_app_type] => utility [patent_app_number] => 18/492706 [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] => 4952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18492706 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/492706
BEAM FOR A VEHICLE BARRIER Oct 22, 2023 Pending
Array ( [id] => 18923615 [patent_doc_number] => 20240026619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => Shallow Mount Bollard [patent_app_type] => utility [patent_app_number] => 18/477551 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18477551 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/477551
Shallow mount bollard Sep 28, 2023 Issued
Array ( [id] => 18916948 [patent_doc_number] => 11879220 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-23 [patent_title] => Regenerative speed bump [patent_app_type] => utility [patent_app_number] => 18/474780 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6027 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18474780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474780
Regenerative speed bump Sep 25, 2023 Issued
Array ( [id] => 18895745 [patent_doc_number] => 20240011230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => Intelligent Speed Regulator [patent_app_type] => utility [patent_app_number] => 18/471613 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471613
Intelligent Speed Regulator Sep 20, 2023 Pending
Array ( [id] => 18817989 [patent_doc_number] => 20230392329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Speed Bump [patent_app_type] => utility [patent_app_number] => 18/454677 [patent_app_country] => US [patent_app_date] => 2023-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18454677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/454677
Speed Bump Aug 22, 2023 Pending
Array ( [id] => 18955764 [patent_doc_number] => 20240044091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => MODULAR TRAVEL WARNING STRIP SYSTEM AND METHODS [patent_app_type] => utility [patent_app_number] => 18/237349 [patent_app_country] => US [patent_app_date] => 2023-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7304 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18237349 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237349
Modular travel warning strip system and methods Aug 22, 2023 Issued
Array ( [id] => 19786035 [patent_doc_number] => 20250059714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => FORMWORK, MATRICES, CONCRETE MATRICES AND METHODS OF MANUFACTURE [patent_app_type] => utility [patent_app_number] => 18/233345 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6337 [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] => 18233345 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233345
FORMWORK, MATRICES, CONCRETE MATRICES AND METHODS OF MANUFACTURE Aug 13, 2023 Pending
Array ( [id] => 19311952 [patent_doc_number] => 12037756 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Post and beam vehicle barrier [patent_app_type] => utility [patent_app_number] => 18/217402 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 40 [patent_no_of_words] => 6365 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217402 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217402
Post and beam vehicle barrier Jun 29, 2023 Issued
Array ( [id] => 18862562 [patent_doc_number] => 20230416998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => ADJUSTABLE CROSS-FRAME ASSEMBLY AND METHOD OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/335090 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18335090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/335090
ADJUSTABLE CROSS-FRAME ASSEMBLY AND METHOD OF USE THEREOF Jun 13, 2023 Pending
Array ( [id] => 18831275 [patent_doc_number] => 20230399801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CONCRETE SLAB LOAD TRANSFER AND CONNECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/332384 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18332384 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332384
CONCRETE SLAB LOAD TRANSFER AND CONNECTION APPARATUS Jun 8, 2023 Pending
Array ( [id] => 18809148 [patent_doc_number] => 20230383483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => METHOD FOR HEATING A SCREED OF A ROAD FINISHING MACHINE [patent_app_type] => utility [patent_app_number] => 18/202021 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6128 [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] => 18202021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/202021
METHOD FOR HEATING A SCREED OF A ROAD FINISHING MACHINE May 24, 2023 Pending
Array ( [id] => 19020713 [patent_doc_number] => 20240076884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => CONCRETE TOOL ASSEMBLY AND METHOD OF FORMING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/139910 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -50 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18139910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/139910
CONCRETE TOOL ASSEMBLY AND METHOD OF FORMING ASSEMBLY Apr 25, 2023 Pending
Array ( [id] => 19449462 [patent_doc_number] => 20240309592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => MATERIAL HANDLING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/184060 [patent_app_country] => US [patent_app_date] => 2023-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8982 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184060 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184060
MATERIAL HANDLING SYSTEM Mar 14, 2023 Pending
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