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] => 18337638 [patent_doc_number] => 20230129587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => RATCHET WRENCH INCLUDING A BICYCLE TOOLSET COMBINED THEREWITH [patent_app_type] => utility [patent_app_number] => 17/939046 [patent_app_country] => US [patent_app_date] => 2022-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17939046 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/939046
Ratchet wrench including a bicycle toolset combined therewith Sep 6, 2022 Issued
Array ( [id] => 19976394 [patent_doc_number] => 12343851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Universal end clamp [patent_app_type] => utility [patent_app_number] => 17/901495 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901495
Universal end clamp Aug 31, 2022 Issued
Array ( [id] => 18226402 [patent_doc_number] => 20230065396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => PALLET WITH GRIPPER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/896248 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17896248 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/896248
PALLET WITH GRIPPER ASSEMBLY Aug 25, 2022 Abandoned
Array ( [id] => 20107397 [patent_doc_number] => 12358096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Rubber membrane having first and second hardness for use in a polishing head [patent_app_type] => utility [patent_app_number] => 17/895925 [patent_app_country] => US [patent_app_date] => 2022-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 2210 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17895925 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/895925
Rubber membrane having first and second hardness for use in a polishing head Aug 24, 2022 Issued
Array ( [id] => 19699632 [patent_doc_number] => 12193630 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Industrial sweeper provided with an improved device for unclogging the air filter thereof [patent_app_type] => utility [patent_app_number] => 17/895795 [patent_app_country] => US [patent_app_date] => 2022-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 6393 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17895795 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/895795
Industrial sweeper provided with an improved device for unclogging the air filter thereof Aug 24, 2022 Issued
Array ( [id] => 19930845 [patent_doc_number] => 12304040 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-20 [patent_title] => Press to fit pipe connector tool [patent_app_type] => utility [patent_app_number] => 17/892916 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17892916 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/892916
Press to fit pipe connector tool Aug 21, 2022 Issued
Array ( [id] => 18209852 [patent_doc_number] => 20230056112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => BIRD HUNTING TOOL [patent_app_type] => utility [patent_app_number] => 17/892586 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17892586 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/892586
BIRD HUNTING TOOL Aug 21, 2022 Abandoned
Array ( [id] => 19839433 [patent_doc_number] => 12251793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Centering vice [patent_app_type] => utility [patent_app_number] => 17/891743 [patent_app_country] => US [patent_app_date] => 2022-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2153 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17891743 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/891743
Centering vice Aug 18, 2022 Issued
Array ( [id] => 19691886 [patent_doc_number] => 20250010431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => POLISHING FLUID RECOVERY AND REUSE SYSTEM FOR SEMICONDUCTOR SUBSTRATE PROCESSING [patent_app_type] => utility [patent_app_number] => 18/274991 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274991 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274991
POLISHING FLUID RECOVERY AND REUSE SYSTEM FOR SEMICONDUCTOR SUBSTRATE PROCESSING Aug 17, 2022 Pending
Array ( [id] => 19969216 [patent_doc_number] => 12337805 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Motor mounts for trailer landing gear [patent_app_type] => utility [patent_app_number] => 17/889638 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889638 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889638
Motor mounts for trailer landing gear Aug 16, 2022 Issued
Array ( [id] => 18182354 [patent_doc_number] => 20230043083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Cleaning Device For Removing Hair And/Or Debris From A Rotary Brush And A Method Using The Same [patent_app_type] => utility [patent_app_number] => 17/881537 [patent_app_country] => US [patent_app_date] => 2022-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9065 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17881537 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/881537
Cleaning Device For Removing Hair And/Or Debris From A Rotary Brush And A Method Using The Same Aug 3, 2022 Pending
Array ( [id] => 18903807 [patent_doc_number] => 20240019292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => SYSTEM AND METHOD FOR MEASURING WEIGHTS OF VEHICLES AND TRAILERS [patent_app_type] => utility [patent_app_number] => 17/867603 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [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] => 17867603 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867603
System and method for measuring weights of vehicles and trailers Jul 17, 2022 Issued
Array ( [id] => 19968850 [patent_doc_number] => 12337438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Break-in processing apparatus and break-in processing method [patent_app_type] => utility [patent_app_number] => 17/812738 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 7711 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17812738 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/812738
Break-in processing apparatus and break-in processing method Jul 14, 2022 Issued
Array ( [id] => 20342310 [patent_doc_number] => 12466028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Damage tolerant cavitation nozzle [patent_app_type] => utility [patent_app_number] => 17/856934 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 3450 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17856934 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856934
Damage tolerant cavitation nozzle Jun 30, 2022 Issued
Array ( [id] => 19416868 [patent_doc_number] => 20240292991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => METHOD AND SYSTEM FOR DETECTING FLOOR STAINS USING SURROUND VIEW IMAGES [patent_app_type] => utility [patent_app_number] => 18/230685 [patent_app_country] => US [patent_app_date] => 2022-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230685 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230685
METHOD AND SYSTEM FOR DETECTING FLOOR STAINS USING SURROUND VIEW IMAGES Jun 7, 2022 Pending
Array ( [id] => 19344223 [patent_doc_number] => 20240253186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => MASTIC CONCRETE COATING REMOVAL TOOL [patent_app_type] => utility [patent_app_number] => 18/563176 [patent_app_country] => US [patent_app_date] => 2022-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18563176 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/563176
MASTIC CONCRETE COATING REMOVAL TOOL May 19, 2022 Pending
Array ( [id] => 19280581 [patent_doc_number] => 20240217055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => Chemical Mechanical Polishing Process Method and Device [patent_app_type] => utility [patent_app_number] => 17/790454 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7733 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17790454 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/790454
Chemical Mechanical Polishing Process Method and Device May 15, 2022 Abandoned
Array ( [id] => 19298552 [patent_doc_number] => 20240227119 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => POLISHING PAD AND POLISHING METHOD [patent_app_type] => utility [patent_app_number] => 18/278502 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18278502 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278502
POLISHING PAD AND POLISHING METHOD Feb 24, 2022 Pending
Array ( [id] => 19298552 [patent_doc_number] => 20240227119 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => POLISHING PAD AND POLISHING METHOD [patent_app_type] => utility [patent_app_number] => 18/278502 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18278502 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278502
POLISHING PAD AND POLISHING METHOD Feb 24, 2022 Pending
Array ( [id] => 19461849 [patent_doc_number] => 20240315518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => AUTOMATIC CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 18/276842 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14892 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18276842 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276842
AUTOMATIC CLEANING DEVICE Feb 8, 2022 Pending
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