Search

Michael W. Chao

Examiner (ID: 8710)

Most Active Art Unit
2492
Art Unit(s)
2492, 2442
Total Applications
603
Issued Applications
382
Pending Applications
82
Abandoned Applications
166

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19939271 [patent_doc_number] => 12311386 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Device and method for managing fine particle concentration [patent_app_type] => utility [patent_app_number] => 17/520528 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 68 [patent_no_of_words] => 48296 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 319 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17520528 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/520528
Device and method for managing fine particle concentration Nov 4, 2021 Issued
Array ( [id] => 18467363 [patent_doc_number] => 20230201644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => SYSTEMS AND METHODS OF FLUID OPERATED CONCEALED SPRINKLERS WITHIN CLOSED CAVITIES [patent_app_type] => utility [patent_app_number] => 18/042381 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18042381 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042381
SYSTEMS AND METHODS OF FLUID OPERATED CONCEALED SPRINKLERS WITHIN CLOSED CAVITIES Nov 4, 2021 Pending
Array ( [id] => 19883224 [patent_doc_number] => 12268910 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Precision aerial firefighting and deluge system for helicopters and unmanned aerial systems [patent_app_type] => utility [patent_app_number] => 17/515772 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 2471 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17515772 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/515772
Precision aerial firefighting and deluge system for helicopters and unmanned aerial systems Oct 31, 2021 Issued
Array ( [id] => 18844098 [patent_doc_number] => 20230406502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => METHOD FOR LOW VOLUME SPRAY APPLICATION [patent_app_type] => utility [patent_app_number] => 18/035734 [patent_app_country] => US [patent_app_date] => 2021-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18035734 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035734
METHOD FOR LOW VOLUME SPRAY APPLICATION Oct 26, 2021 Pending
Array ( [id] => 17413145 [patent_doc_number] => 20220048049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => SHOWER [patent_app_type] => utility [patent_app_number] => 17/511224 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17511224 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/511224
SHOWER Oct 25, 2021 Pending
Array ( [id] => 17532800 [patent_doc_number] => 20220111409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => SPRAYER DEVICES AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/507387 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17507387 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/507387
Sprayer devices and related methods Oct 20, 2021 Issued
Array ( [id] => 17383250 [patent_doc_number] => 20220031102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => DETACHABLE STRAW [patent_app_type] => utility [patent_app_number] => 17/506267 [patent_app_country] => US [patent_app_date] => 2021-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17506267 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/506267
Detachable straw Oct 19, 2021 Issued
Array ( [id] => 18690206 [patent_doc_number] => 20230320342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => Nozzle Light Assembly [patent_app_type] => utility [patent_app_number] => 18/043879 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043879 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043879
Nozzle Light Assembly Oct 14, 2021 Pending
Array ( [id] => 17806359 [patent_doc_number] => 20220258194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => PRESSURE WASHING SPRAY GUN WITH TRIGGER LOCK [patent_app_type] => utility [patent_app_number] => 17/484632 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484632 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484632
PRESSURE WASHING SPRAY GUN WITH TRIGGER LOCK Sep 23, 2021 Pending
Array ( [id] => 17806359 [patent_doc_number] => 20220258194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => PRESSURE WASHING SPRAY GUN WITH TRIGGER LOCK [patent_app_type] => utility [patent_app_number] => 17/484632 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484632 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484632
PRESSURE WASHING SPRAY GUN WITH TRIGGER LOCK Sep 23, 2021 Pending
Array ( [id] => 17313188 [patent_doc_number] => 20210402236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => Fire Suppression Apparatus, System, and Method [patent_app_type] => utility [patent_app_number] => 17/472661 [patent_app_country] => US [patent_app_date] => 2021-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12782 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17472661 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/472661
Fire Suppression Apparatus, System, and Method Sep 11, 2021 Abandoned
Array ( [id] => 18724604 [patent_doc_number] => 20230338765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => DEVICE TO ADJUST ELECTRONIC SPRINKLER TRIGGER [patent_app_type] => utility [patent_app_number] => 18/004213 [patent_app_country] => US [patent_app_date] => 2021-09-09 [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] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18004213 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/004213
DEVICE TO ADJUST ELECTRONIC SPRINKLER TRIGGER Sep 8, 2021 Pending
Array ( [id] => 18938412 [patent_doc_number] => 20240033551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => FIRE SUPPRESSION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/044119 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18044119 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/044119
FIRE SUPPRESSION SYSTEM AND METHOD Sep 2, 2021 Pending
Array ( [id] => 18672110 [patent_doc_number] => 20230309541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => NOZZLE SPECIFIC SPRAY APPLICATION MONITORING [patent_app_type] => utility [patent_app_number] => 18/019529 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18019529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019529
NOZZLE SPECIFIC SPRAY APPLICATION MONITORING Aug 26, 2021 Abandoned
Array ( [id] => 18672110 [patent_doc_number] => 20230309541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => NOZZLE SPECIFIC SPRAY APPLICATION MONITORING [patent_app_type] => utility [patent_app_number] => 18/019529 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18019529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019529
NOZZLE SPECIFIC SPRAY APPLICATION MONITORING Aug 26, 2021 Abandoned
Array ( [id] => 17255715 [patent_doc_number] => 20210368700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => CLOG RESISTANT IN-LINE VORTEX ELEMENT IRRIGATION EMITTER [patent_app_type] => utility [patent_app_number] => 17/402868 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17402868 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402868
CLOG RESISTANT IN-LINE VORTEX ELEMENT IRRIGATION EMITTER Aug 15, 2021 Abandoned
Array ( [id] => 18648338 [patent_doc_number] => 20230294122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => DYNAMIC DRIFT CONTROL [patent_app_type] => utility [patent_app_number] => 18/019746 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18019746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019746
DYNAMIC DRIFT CONTROL Aug 1, 2021 Pending
Array ( [id] => 18449900 [patent_doc_number] => 20230191176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => FLUID CONTROL VALVE ASSEMBLY FOR FIRE PROTECTION SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/782525 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6439 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17782525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/782525
Fluid control valve assembly for fire protection systems Jul 28, 2021 Issued
Array ( [id] => 17967398 [patent_doc_number] => 11484904 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-01 [patent_title] => Landscape sprinkler head access device [patent_app_type] => utility [patent_app_number] => 17/384072 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3058 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17384072 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/384072
Landscape sprinkler head access device Jul 22, 2021 Issued
Array ( [id] => 18390300 [patent_doc_number] => 20230158518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => SYSTEMS AND METHODS OF SPRINKLER DEFLECTOR DEPLOYMENT [patent_app_type] => utility [patent_app_number] => 17/918076 [patent_app_country] => US [patent_app_date] => 2021-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17918076 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/918076
SYSTEMS AND METHODS OF SPRINKLER DEFLECTOR DEPLOYMENT Jun 27, 2021 Pending
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