Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 17911652 [patent_doc_number] => 20220314047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => FIRE PROTECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/358390 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2122 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17358390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/358390
Fire protection system Jun 24, 2021 Issued
Array ( [id] => 18091596 [patent_doc_number] => 20220409937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => FLAME ARRESTOR [patent_app_type] => utility [patent_app_number] => 17/358890 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5623 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17358890 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/358890
FLAME ARRESTOR Jun 24, 2021 Abandoned
Array ( [id] => 18116655 [patent_doc_number] => 11548028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Air-assisted electrostatic ultrasonic atomization nozzle and method [patent_app_type] => utility [patent_app_number] => 17/607412 [patent_app_country] => US [patent_app_date] => 2021-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3652 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17607412 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/607412
Air-assisted electrostatic ultrasonic atomization nozzle and method Jun 23, 2021 Issued
Array ( [id] => 18560134 [patent_doc_number] => 11725370 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-15 [patent_title] => Device and method for amplified water disbursement [patent_app_type] => utility [patent_app_number] => 17/304607 [patent_app_country] => US [patent_app_date] => 2021-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 3124 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17304607 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/304607
Device and method for amplified water disbursement Jun 22, 2021 Issued
Array ( [id] => 17298368 [patent_doc_number] => 20210394207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => SPRAYER APPARATUS WITH REMOVABLE SOLUTION CONTAINER [patent_app_type] => utility [patent_app_number] => 17/352200 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17352200 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/352200
SPRAYER APPARATUS WITH REMOVABLE SOLUTION CONTAINER Jun 17, 2021 Abandoned
Array ( [id] => 17298370 [patent_doc_number] => 20210394209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => DRY FOGGING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/348543 [patent_app_country] => US [patent_app_date] => 2021-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17348543 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/348543
DRY FOGGING SYSTEM Jun 14, 2021 Abandoned
Array ( [id] => 17110402 [patent_doc_number] => 20210290999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => FLEXIBLE DRY SPRINKLER HAVING A DIFFERENTIAL PRESSURE CONTROLLER [patent_app_type] => utility [patent_app_number] => 17/341662 [patent_app_country] => US [patent_app_date] => 2021-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -39 [patent_words_short_claim] => 573 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341662 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/341662
Flexible dry sprinkler having a differential pressure controller Jun 7, 2021 Issued
Array ( [id] => 17095650 [patent_doc_number] => 20210283441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => FIRE EXTINGUISHING SYSTEM FOR LITHIUM BATTERY ENERGY STORAGE UNIT BASED ON STAGEWISE WARNING AND MULTIPLE SPRAYING [patent_app_type] => utility [patent_app_number] => 17/338223 [patent_app_country] => US [patent_app_date] => 2021-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17338223 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/338223
FIRE EXTINGUISHING SYSTEM FOR LITHIUM BATTERY ENERGY STORAGE UNIT BASED ON STAGEWISE WARNING AND MULTIPLE SPRAYING Jun 2, 2021 Abandoned
Array ( [id] => 17273230 [patent_doc_number] => 20210379428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => SELF-EXTINGUISHING, TOXIC GASES CONTAINMENT ENCLOSURE FOR LITHIUM-ION BATTERIES [patent_app_type] => utility [patent_app_number] => 17/337322 [patent_app_country] => US [patent_app_date] => 2021-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17337322 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/337322
Self-extinguishing, toxic gases containment enclosure for lithium-ion batteries Jun 1, 2021 Issued
Array ( [id] => 18035118 [patent_doc_number] => 20220379333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => ACOUSTIC FORCE ASSISTED PAINTING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/334584 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17334584 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/334584
Acoustic force assisted painting system May 27, 2021 Issued
Array ( [id] => 19290972 [patent_doc_number] => 12030315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Liquid discharge head [patent_app_type] => utility [patent_app_number] => 17/331923 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 10794 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17331923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/331923
Liquid discharge head May 26, 2021 Issued
Array ( [id] => 17082855 [patent_doc_number] => 20210277861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => FUEL INJECTION VALVE [patent_app_type] => utility [patent_app_number] => 17/329864 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17329864 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/329864
FUEL INJECTION VALVE May 24, 2021 Abandoned
Array ( [id] => 20342078 [patent_doc_number] => 12465796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Normally closed valve for dry pipe trim on a diaphragm valve [patent_app_type] => utility [patent_app_number] => 17/917494 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17917494 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/917494
Normally closed valve for dry pipe trim on a diaphragm valve May 20, 2021 Issued
Array ( [id] => 18538223 [patent_doc_number] => 20230243326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => Coupling Body, Fuel Injection Valve Including Coupling Body, and Method for Manufacturing Coupling Body [patent_app_type] => utility [patent_app_number] => 18/010500 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18010500 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/010500
Coupling Body, Fuel Injection Valve Including Coupling Body, and Method for Manufacturing Coupling Body May 17, 2021 Pending
Array ( [id] => 18538223 [patent_doc_number] => 20230243326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => Coupling Body, Fuel Injection Valve Including Coupling Body, and Method for Manufacturing Coupling Body [patent_app_type] => utility [patent_app_number] => 18/010500 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18010500 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/010500
Coupling Body, Fuel Injection Valve Including Coupling Body, and Method for Manufacturing Coupling Body May 17, 2021 Pending
Array ( [id] => 18383550 [patent_doc_number] => 11654315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Device for discharging extinguishing agent [patent_app_type] => utility [patent_app_number] => 17/318088 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2076 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17318088 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318088
Device for discharging extinguishing agent May 11, 2021 Issued
Array ( [id] => 19716344 [patent_doc_number] => 12201862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => E-extinguishing lance [patent_app_type] => utility [patent_app_number] => 17/923248 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 19 [patent_no_of_words] => 7156 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17923248 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/923248
E-extinguishing lance May 6, 2021 Issued
Array ( [id] => 17051183 [patent_doc_number] => 20210260617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => VORTEX FOUNTAIN SYSTEM [patent_app_type] => utility [patent_app_number] => 17/314863 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17314863 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/314863
VORTEX FOUNTAIN SYSTEM May 6, 2021 Abandoned
Array ( [id] => 19730420 [patent_doc_number] => 12208407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Alignment tool for a spray gun air cap [patent_app_type] => utility [patent_app_number] => 17/302434 [patent_app_country] => US [patent_app_date] => 2021-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 5435 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17302434 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/302434
Alignment tool for a spray gun air cap May 2, 2021 Issued
Array ( [id] => 20115327 [patent_doc_number] => 12365013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Electrostatic quadcopter sanitation device and delivery system [patent_app_type] => utility [patent_app_number] => 17/245068 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 2111 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17245068 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/245068
Electrostatic quadcopter sanitation device and delivery system Apr 29, 2021 Issued
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