Search

Atif H. Chaudry

Examiner (ID: 17018, Phone: (571)270-3768 , Office: P/3753 )

Most Active Art Unit
3753
Art Unit(s)
3753
Total Applications
1177
Issued Applications
773
Pending Applications
99
Abandoned Applications
324

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20532204 [patent_doc_number] => 12550657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Fluid control device and substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 18/615271 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615271 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615271
Fluid control device and substrate processing apparatus Mar 24, 2024 Issued
Array ( [id] => 19614518 [patent_doc_number] => 20240400198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => Fuel Cell Wastewater Balancer [patent_app_type] => utility [patent_app_number] => 18/595970 [patent_app_country] => US [patent_app_date] => 2024-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7461 [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] => 18595970 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/595970
Fuel cell wastewater balancer Mar 4, 2024 Issued
Array ( [id] => 19465075 [patent_doc_number] => 20240318744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => Valve Assembly Configured for Position and Control Within a Fluid Line [patent_app_type] => utility [patent_app_number] => 18/595889 [patent_app_country] => US [patent_app_date] => 2024-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4935 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18595889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/595889
Valve Assembly Configured for Position and Control Within a Fluid Line Mar 4, 2024 Pending
Array ( [id] => 20220623 [patent_doc_number] => 20250283554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => Pipe Burst Prevention Cartridge with Washer, Valve System and Method [patent_app_type] => utility [patent_app_number] => 18/596509 [patent_app_country] => US [patent_app_date] => 2024-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18596509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/596509
Pipe Burst Prevention Cartridge with Washer, Valve System and Method Mar 4, 2024 Pending
Array ( [id] => 19418984 [patent_doc_number] => 20240295107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => PNEUMATIC DRAIN VALVE DRIVING DEVICE [patent_app_type] => utility [patent_app_number] => 18/584795 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18584795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/584795
Pneumatic drain valve driving device Feb 21, 2024 Issued
Array ( [id] => 19380340 [patent_doc_number] => 20240270210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => DISTRIBUTION DEVICE AND LIQUID DISTRIBUTION ACTUATOR [patent_app_type] => utility [patent_app_number] => 18/442404 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18442404 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442404
DISTRIBUTION DEVICE AND LIQUID DISTRIBUTION ACTUATOR Feb 14, 2024 Pending
Array ( [id] => 19693833 [patent_doc_number] => 20250012378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => ROTARY VALVE [patent_app_type] => utility [patent_app_number] => 18/440830 [patent_app_country] => US [patent_app_date] => 2024-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18440830 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/440830
ROTARY VALVE Feb 12, 2024 Abandoned
Array ( [id] => 20702160 [patent_doc_number] => 12624863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Pool heater bypass systems and methods [patent_app_type] => utility [patent_app_number] => 18/439540 [patent_app_country] => US [patent_app_date] => 2024-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18439540 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/439540
Pool heater bypass systems and methods Feb 11, 2024 Issued
Array ( [id] => 19392725 [patent_doc_number] => 20240282595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => MODULAR SUBSTRATE ASSEMBLY AND SYSTEM INCORPORATING SAME [patent_app_type] => utility [patent_app_number] => 18/437373 [patent_app_country] => US [patent_app_date] => 2024-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18437373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/437373
MODULAR SUBSTRATE ASSEMBLY AND SYSTEM INCORPORATING SAME Feb 8, 2024 Pending
Array ( [id] => 19381841 [patent_doc_number] => 20240271711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => VALVE UNIT, LIQUID EJECTION DEVICE, AND MANUFACTURING METHOD FOR VALVE UNIT [patent_app_type] => utility [patent_app_number] => 18/435470 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8833 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435470
VALVE UNIT, LIQUID EJECTION DEVICE, AND MANUFACTURING METHOD FOR VALVE UNIT Feb 6, 2024 Pending
Array ( [id] => 20136904 [patent_doc_number] => 20250243948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => Fluid Control Valve With Performance Monitor [patent_app_type] => utility [patent_app_number] => 18/427643 [patent_app_country] => US [patent_app_date] => 2024-01-30 [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] => -4 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18427643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427643
Fluid Control Valve With Performance Monitor Jan 29, 2024 Pending
Array ( [id] => 19317645 [patent_doc_number] => 20240239186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => VALVE DEVICE FOR FUEL TANK [patent_app_type] => utility [patent_app_number] => 18/408009 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6484 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408009
Valve device for fuel tank Jan 8, 2024 Issued
Array ( [id] => 20214048 [patent_doc_number] => 12410693 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Single actuated rotational electric gas lift valve [patent_app_type] => utility [patent_app_number] => 18/405730 [patent_app_country] => US [patent_app_date] => 2024-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18405730 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/405730
Single actuated rotational electric gas lift valve Jan 4, 2024 Issued
Array ( [id] => 19632147 [patent_doc_number] => 20240410596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => HEATING-MIXING DEVICE OF A LIQUID HEATING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/403592 [patent_app_country] => US [patent_app_date] => 2024-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18403592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/403592
HEATING-MIXING DEVICE OF A LIQUID HEATING SYSTEM Jan 2, 2024 Abandoned
Array ( [id] => 20499606 [patent_doc_number] => 20260029064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => DRIVING DEVICE AND WATER VALVE [patent_app_type] => utility [patent_app_number] => 18/997072 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2309 [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] => 18997072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/997072
DRIVING DEVICE AND WATER VALVE Dec 27, 2023 Pending
Array ( [id] => 19267264 [patent_doc_number] => 20240210966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => PRESSURE-SENSITIVE FLOW-CONTROL VALVE [patent_app_type] => utility [patent_app_number] => 18/395904 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3447 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18395904 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/395904
PRESSURE-SENSITIVE FLOW-CONTROL VALVE Dec 25, 2023 Abandoned
Array ( [id] => 19543873 [patent_doc_number] => 20240360909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => AUTO-DRAINING DIVERTER VALVE [patent_app_type] => utility [patent_app_number] => 18/534513 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534513 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534513
Auto-draining diverter valve Dec 7, 2023 Issued
Array ( [id] => 20050836 [patent_doc_number] => 20250189058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => CONTROL VALVES WITH ADJUSTABLE VALVE PACKING [patent_app_type] => utility [patent_app_number] => 18/532699 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18532699 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532699
Control valves with adjustable valve packing Dec 6, 2023 Issued
Array ( [id] => 20078310 [patent_doc_number] => 12352368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Method and system for executing online tests of valve seating integrity for control valves [patent_app_type] => utility [patent_app_number] => 18/528262 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 5548 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528262 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528262
Method and system for executing online tests of valve seating integrity for control valves Dec 3, 2023 Issued
Array ( [id] => 19051835 [patent_doc_number] => 20240093804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => MEMS FOR CONTROLLING A FLUID FLOW [patent_app_type] => utility [patent_app_number] => 18/525265 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18525265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/525265
MEMS FOR CONTROLLING A FLUID FLOW Nov 29, 2023 Pending
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