
Christopher R. Dandridge
Examiner (ID: 9584, Phone: (571)270-1505 , Office: P/3752 )
| Most Active Art Unit | 3752 |
| Art Unit(s) | 3752 |
| Total Applications | 642 |
| Issued Applications | 374 |
| Pending Applications | 104 |
| Abandoned Applications | 208 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 20392012
[patent_doc_number] => 20250367487
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-12-04
[patent_title] => FIRE SUPPRESSION SYSTEM
[patent_app_type] => utility
[patent_app_number] => 19/301683
[patent_app_country] => US
[patent_app_date] => 2025-08-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4372
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 101
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19301683
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/301683 | FIRE SUPPRESSION SYSTEM | Aug 14, 2025 | Pending |
Array
(
[id] => 20392010
[patent_doc_number] => 20250367485
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-12-04
[patent_title] => FIRE SUPPRESSION SYSTEM
[patent_app_type] => utility
[patent_app_number] => 19/297708
[patent_app_country] => US
[patent_app_date] => 2025-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3276
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[patent_words_short_claim] => 78
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19297708
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/297708 | FIRE SUPPRESSION SYSTEM | Aug 11, 2025 | Pending |
Array
(
[id] => 20392010
[patent_doc_number] => 20250367485
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-12-04
[patent_title] => FIRE SUPPRESSION SYSTEM
[patent_app_type] => utility
[patent_app_number] => 19/297708
[patent_app_country] => US
[patent_app_date] => 2025-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3276
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[patent_words_short_claim] => 78
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19297708
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/297708 | FIRE SUPPRESSION SYSTEM | Aug 11, 2025 | Pending |
Array
(
[id] => 19939282
[patent_doc_number] => 12311397
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-05-27
[patent_title] => Ultrasonic control apparatus and method for liquid jet
[patent_app_type] => utility
[patent_app_number] => 19/005083
[patent_app_country] => US
[patent_app_date] => 2024-12-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 0
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 294
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19005083
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/005083 | Ultrasonic control apparatus and method for liquid jet | Dec 29, 2024 | Issued |
Array
(
[id] => 19511049
[patent_doc_number] => 20240342735
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-17
[patent_title] => APPARATUS FOR NANOPARTICLE GENERATION
[patent_app_type] => utility
[patent_app_number] => 18/633878
[patent_app_country] => US
[patent_app_date] => 2024-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5739
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 83
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18633878
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/633878 | APPARATUS FOR NANOPARTICLE GENERATION | Apr 11, 2024 | Abandoned |
Array
(
[id] => 19343900
[patent_doc_number] => 20240252863
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-01
[patent_title] => FLEXIBLE DRY SPRINKLER HAVING A DIFFERENTIAL PRESSURE CONTROLLER
[patent_app_type] => utility
[patent_app_number] => 18/633704
[patent_app_country] => US
[patent_app_date] => 2024-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2654
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -42
[patent_words_short_claim] => 332
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18633704
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/633704 | Flexible dry sprinkler having a differential pressure controller | Apr 11, 2024 | Issued |
Array
(
[id] => 19511049
[patent_doc_number] => 20240342735
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-17
[patent_title] => APPARATUS FOR NANOPARTICLE GENERATION
[patent_app_type] => utility
[patent_app_number] => 18/633878
[patent_app_country] => US
[patent_app_date] => 2024-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5739
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 83
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18633878
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/633878 | APPARATUS FOR NANOPARTICLE GENERATION | Apr 11, 2024 | Abandoned |
Array
(
[id] => 19343900
[patent_doc_number] => 20240252863
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-01
[patent_title] => FLEXIBLE DRY SPRINKLER HAVING A DIFFERENTIAL PRESSURE CONTROLLER
[patent_app_type] => utility
[patent_app_number] => 18/633704
[patent_app_country] => US
[patent_app_date] => 2024-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2654
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -42
[patent_words_short_claim] => 332
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18633704
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/633704 | Flexible dry sprinkler having a differential pressure controller | Apr 11, 2024 | Issued |
Array
(
[id] => 20301579
[patent_doc_number] => 12447552
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-10-21
[patent_title] => Adaptive guide bushing for laser tube cutting system
[patent_app_type] => utility
[patent_app_number] => 18/632835
[patent_app_country] => US
[patent_app_date] => 2024-04-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 18
[patent_figures_cnt] => 39
[patent_no_of_words] => 0
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 172
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632835
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/632835 | Adaptive guide bushing for laser tube cutting system | Apr 10, 2024 | Issued |
Array
(
[id] => 19298054
[patent_doc_number] => 20240226620
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-07-11
[patent_title] => INTEGRATED AIR DISTRIBUTION SYSTEM AND FIRE SUPPRESSION SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/615869
[patent_app_country] => US
[patent_app_date] => 2024-03-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11201
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 47
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615869
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/615869 | INTEGRATED AIR DISTRIBUTION SYSTEM AND FIRE SUPPRESSION SYSTEM | Mar 24, 2024 | Pending |
Array
(
[id] => 19298054
[patent_doc_number] => 20240226620
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-07-11
[patent_title] => INTEGRATED AIR DISTRIBUTION SYSTEM AND FIRE SUPPRESSION SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/615869
[patent_app_country] => US
[patent_app_date] => 2024-03-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11201
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 47
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615869
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/615869 | INTEGRATED AIR DISTRIBUTION SYSTEM AND FIRE SUPPRESSION SYSTEM | Mar 24, 2024 | Pending |
Array
(
[id] => 19478039
[patent_doc_number] => 20240326081
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-03
[patent_title] => Pixelated Water Display and Design Tools Therefor
[patent_app_type] => utility
[patent_app_number] => 18/587905
[patent_app_country] => US
[patent_app_date] => 2024-02-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10045
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 49
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587905
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/587905 | Pixelated water display and design tools therefor | Feb 25, 2024 | Issued |
Array
(
[id] => 19232652
[patent_doc_number] => 20240189844
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-13
[patent_title] => ELECTROSTATIC ATOMIZER
[patent_app_type] => utility
[patent_app_number] => 18/585777
[patent_app_country] => US
[patent_app_date] => 2024-02-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8351
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585777
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/585777 | ELECTROSTATIC ATOMIZER | Feb 22, 2024 | Pending |
Array
(
[id] => 19232652
[patent_doc_number] => 20240189844
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-13
[patent_title] => ELECTROSTATIC ATOMIZER
[patent_app_type] => utility
[patent_app_number] => 18/585777
[patent_app_country] => US
[patent_app_date] => 2024-02-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8351
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585777
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/585777 | ELECTROSTATIC ATOMIZER | Feb 22, 2024 | Pending |
Array
(
[id] => 19402642
[patent_doc_number] => 20240286153
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-29
[patent_title] => SPRAY DEVICE AND COATING METHOD
[patent_app_type] => utility
[patent_app_number] => 18/582842
[patent_app_country] => US
[patent_app_date] => 2024-02-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3409
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 193
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582842
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/582842 | SPRAY DEVICE AND COATING METHOD | Feb 20, 2024 | Pending |
Array
(
[id] => 20177817
[patent_doc_number] => 20250261775
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-08-21
[patent_title] => Sports Hydration Method
[patent_app_type] => utility
[patent_app_number] => 18/443596
[patent_app_country] => US
[patent_app_date] => 2024-02-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 0
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[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] => 18443596
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/443596 | Sports Hydration Method | Feb 15, 2024 | Pending |
Array
(
[id] => 20078171
[patent_doc_number] => 12352228
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-08
[patent_title] => Fuel injector
[patent_app_type] => utility
[patent_app_number] => 18/436607
[patent_app_country] => US
[patent_app_date] => 2024-02-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
[patent_figures_cnt] => 36
[patent_no_of_words] => 15804
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 340
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18436607
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/436607 | Fuel injector | Feb 7, 2024 | Issued |
Array
(
[id] => 20078171
[patent_doc_number] => 12352228
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-08
[patent_title] => Fuel injector
[patent_app_type] => utility
[patent_app_number] => 18/436607
[patent_app_country] => US
[patent_app_date] => 2024-02-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
[patent_figures_cnt] => 36
[patent_no_of_words] => 15804
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 340
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18436607
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/436607 | Fuel injector | Feb 7, 2024 | Issued |
Array
(
[id] => 19446496
[patent_doc_number] => 20240306626
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-09-19
[patent_title] => Tri-Directional Break-Away Boom Assembly
[patent_app_type] => utility
[patent_app_number] => 18/422289
[patent_app_country] => US
[patent_app_date] => 2024-01-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5591
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 305
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18422289
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/422289 | Tri-directional break-away boom assembly | Jan 24, 2024 | Issued |
Array
(
[id] => 19657446
[patent_doc_number] => 20240424511
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-12-26
[patent_title] => EFFICIENT GENERATION AND PERFORMANCE EVALUATION DEVICE OF FOAM UNDER HIGH TEMPERATURE AND HIGH PRESSURE
[patent_app_type] => utility
[patent_app_number] => 18/419605
[patent_app_country] => US
[patent_app_date] => 2024-01-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5505
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 290
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18419605
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/419605 | Efficient generation and performance evaluation device of foam under high temperature and high pressure | Jan 22, 2024 | Issued |