
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |