Search

William C. Choi

Examiner (ID: 12128, Phone: (571)272-2324 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2873
Total Applications
2398
Issued Applications
2207
Pending Applications
103
Abandoned Applications
131

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20505313 [patent_doc_number] => 12539576 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Maintaining valve components [patent_app_type] => utility [patent_app_number] => 18/326642 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 21 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326642 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326642
MAINTAINING VALVE COMPONENTS May 30, 2023 Pending
Array ( [id] => 18768771 [patent_doc_number] => 20230363525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => MAGNETIC HOLDER AND KIT COMPRISING A PERSONAL CARE IMPLEMENT AND A MAGNETIC HOLDER [patent_app_type] => utility [patent_app_number] => 18/315534 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315534 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315534
MAGNETIC HOLDER AND KIT COMPRISING A PERSONAL CARE IMPLEMENT AND A MAGNETIC HOLDER May 10, 2023 Pending
Array ( [id] => 18768770 [patent_doc_number] => 20230363524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Kit For Supporting An Environmentally Sustainable Personal Care Routine [patent_app_type] => utility [patent_app_number] => 18/315541 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11141 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315541 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315541
Kit For Supporting An Environmentally Sustainable Personal Care Routine May 10, 2023 Pending
Array ( [id] => 18769968 [patent_doc_number] => 20230364738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Double-Sided or Single-Sided Machine Tool and Method for Operating a Double-Sided or Single-Sided Machine Tool [patent_app_type] => utility [patent_app_number] => 18/316065 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316065 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316065
Double-Sided or Single-Sided Machine Tool and Method for Operating a Double-Sided or Single-Sided Machine Tool May 10, 2023 Pending
Array ( [id] => 18768769 [patent_doc_number] => 20230363523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => System For Tracking And Storing Data Associated With A Personal Care Routine [patent_app_type] => utility [patent_app_number] => 18/315545 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11447 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315545
System For Tracking And Storing Data Associated With A Personal Care Routine May 10, 2023 Pending
Array ( [id] => 18768766 [patent_doc_number] => 20230363520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Magnetic Personal Care Guide And System [patent_app_type] => utility [patent_app_number] => 18/315552 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10986 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315552
Magnetic Personal Care Guide And System May 10, 2023 Pending
Array ( [id] => 18768853 [patent_doc_number] => 20230363607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => METHOD FOR OPERATING A FLOOR CLEANING MACHINE [patent_app_type] => utility [patent_app_number] => 18/143910 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143910
METHOD FOR OPERATING A FLOOR CLEANING MACHINE May 4, 2023 Pending
Array ( [id] => 19447894 [patent_doc_number] => 20240308024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => VEHICLE WAXING SYSTEM AND VEHICLE WAXING METHOD [patent_app_type] => utility [patent_app_number] => 18/311900 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311900 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311900
VEHICLE WAXING SYSTEM AND VEHICLE WAXING METHOD May 3, 2023 Pending
Array ( [id] => 18920766 [patent_doc_number] => 20240023770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => ROBOTIC VACUUM CLEANER, DOCKING STATION, AND CLEANING SYSTEM INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/143319 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143319 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143319
ROBOTIC VACUUM CLEANER, DOCKING STATION, AND CLEANING SYSTEM INCLUDING THE SAME May 3, 2023 Pending
Array ( [id] => 19048757 [patent_doc_number] => 20240090726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => CHARGING CRADLE INCLUDING COVER OPENING/CLOSING DEVICE AND CLEANING STATION FOR SAME [patent_app_type] => utility [patent_app_number] => 18/307230 [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] => 3886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307230 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307230
CHARGING CRADLE INCLUDING COVER OPENING/CLOSING DEVICE AND CLEANING STATION FOR SAME Apr 25, 2023 Issued
Array ( [id] => 18724907 [patent_doc_number] => 20230339070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => HIGH-PRECISION SUBSTRATE POLISHING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/136834 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18136834 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/136834
HIGH-PRECISION SUBSTRATE POLISHING SYSTEM Apr 18, 2023 Pending
Array ( [id] => 18550196 [patent_doc_number] => 20230248194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => ROBOT CLEANER [patent_app_type] => utility [patent_app_number] => 18/134786 [patent_app_country] => US [patent_app_date] => 2023-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18134786 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134786
Robot cleaner Apr 13, 2023 Issued
Array ( [id] => 18610292 [patent_doc_number] => 20230277022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => CLEANING BRUSH AND INTELLIGENT CLEANING DEVICE HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 18/068969 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12515 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18068969 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/068969
CLEANING BRUSH AND INTELLIGENT CLEANING DEVICE HAVING THE SAME Mar 27, 2023 Pending
Array ( [id] => 18655617 [patent_doc_number] => 20230301480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => ELECTRIC BURNISHER [patent_app_type] => utility [patent_app_number] => 18/187951 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187951 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187951
ELECTRIC BURNISHER Mar 21, 2023 Pending
Array ( [id] => 18661211 [patent_doc_number] => 20230307224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => PARTICLE COLLECTING DEVICE AND DEPOSITION APPARATUS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/123206 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18123206 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123206
PARTICLE COLLECTING DEVICE AND DEPOSITION APPARATUS INCLUDING THE SAME Mar 16, 2023 Abandoned
Array ( [id] => 18610299 [patent_doc_number] => 20230277029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => FLOOR BRUSH ASSEMBLY AND CLEANING EQUIPMENT THEREOF [patent_app_type] => utility [patent_app_number] => 18/177782 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177782 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177782
FLOOR BRUSH ASSEMBLY AND CLEANING EQUIPMENT THEREOF Mar 2, 2023 Pending
Array ( [id] => 18582069 [patent_doc_number] => 20230264324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => ADAPTABLE WRENCH [patent_app_type] => utility [patent_app_number] => 18/173974 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3390 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18173974 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/173974
ADAPTABLE WRENCH Feb 23, 2023 Pending
Array ( [id] => 19358773 [patent_doc_number] => 20240260807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => PAD WASHING DOCK FOR MOBILE CLEANING ROBOTS [patent_app_type] => utility [patent_app_number] => 18/106078 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18106078 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/106078
PAD WASHING DOCK FOR MOBILE CLEANING ROBOTS Feb 5, 2023 Pending
Array ( [id] => 18859616 [patent_doc_number] => 20230414050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => DUST COLLECTING DEVICE, CLEANING BASE STATION AND ROBOT CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/163495 [patent_app_country] => US [patent_app_date] => 2023-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18163495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/163495
DUST COLLECTING DEVICE, CLEANING BASE STATION AND ROBOT CLEANING SYSTEM Feb 1, 2023 Pending
Array ( [id] => 19968847 [patent_doc_number] => 12337435 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Buffer and self-feeding compound apparatus [patent_app_type] => utility [patent_app_number] => 18/729846 [patent_app_country] => US [patent_app_date] => 2023-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 18729846 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/729846
Buffer and self-feeding compound apparatus Jan 16, 2023 Issued
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