Search

Ziaul A. Chowdhury

Examiner (ID: 5504, Phone: (571)270-7750 , Office: P/2192 )

Most Active Art Unit
2192
Art Unit(s)
2192
Total Applications
661
Issued Applications
568
Pending Applications
40
Abandoned Applications
71

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20104178 [patent_doc_number] => 20250234114 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => Voltage Detection Devices and Safety Headwear Coupling Systems [patent_app_type] => utility [patent_app_number] => 18/969703 [patent_app_country] => US [patent_app_date] => 2024-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18969703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/969703
Voltage Detection Devices and Safety Headwear Coupling Systems Dec 4, 2024 Pending
Array ( [id] => 20364635 [patent_doc_number] => 20250354447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => AUTONOMOUS WIRELINE SERVICE [patent_app_type] => utility [patent_app_number] => 18/967877 [patent_app_country] => US [patent_app_date] => 2024-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18967877 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/967877
AUTONOMOUS WIRELINE SERVICE Dec 3, 2024 Pending
Array ( [id] => 20073007 [patent_doc_number] => 20250211229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => PIEZOELECTRIC BUTTON SYSTEM [patent_app_type] => utility [patent_app_number] => 18/961595 [patent_app_country] => US [patent_app_date] => 2024-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12760 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18961595 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/961595
PIEZOELECTRIC BUTTON SYSTEM Nov 26, 2024 Pending
Array ( [id] => 20737306 [patent_doc_number] => 20260146599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-28 [patent_title] => HYDRAULIC FRACTURING PUMP SYSTEM USING A NETWORK OF CONTROLLERS [patent_app_type] => utility [patent_app_number] => 18/963225 [patent_app_country] => US [patent_app_date] => 2024-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18963225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/963225
HYDRAULIC FRACTURING PUMP SYSTEM USING A NETWORK OF CONTROLLERS Nov 26, 2024 Pending
Array ( [id] => 20528818 [patent_doc_number] => 12547253 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Keyboard device and electronic device connected with keyboard device [patent_app_type] => utility [patent_app_number] => 18/953610 [patent_app_country] => US [patent_app_date] => 2024-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 9103 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18953610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/953610
Keyboard device and electronic device connected with keyboard device Nov 19, 2024 Issued
Array ( [id] => 20743755 [patent_doc_number] => 12643644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Smart backpack system [patent_app_type] => utility [patent_app_number] => 18/934843 [patent_app_country] => US [patent_app_date] => 2024-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5297 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18934843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/934843
Smart backpack system Oct 31, 2024 Issued
Array ( [id] => 20683065 [patent_doc_number] => 20260121894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => DECODING OF A BIPHASE SIGNAL IN A WIRELINE MODEM [patent_app_type] => utility [patent_app_number] => 18/931514 [patent_app_country] => US [patent_app_date] => 2024-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18931514 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/931514
DECODING OF A BIPHASE SIGNAL IN A WIRELINE MODEM Oct 29, 2024 Pending
Array ( [id] => 20537265 [patent_doc_number] => 12554339 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Adaptive chord typing system [patent_app_type] => utility [patent_app_number] => 18/929943 [patent_app_country] => US [patent_app_date] => 2024-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5394 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18929943 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/929943
Adaptive chord typing system Oct 28, 2024 Issued
Array ( [id] => 20772095 [patent_doc_number] => 12655758 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Mud pulser having a filter housing [patent_app_type] => utility [patent_app_number] => 18/928009 [patent_app_country] => US [patent_app_date] => 2024-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18928009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/928009
Mud pulser having a filter housing Oct 25, 2024 Issued
Array ( [id] => 19757654 [patent_doc_number] => 20250046219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => BEVERAGE CONTAINERS [patent_app_type] => utility [patent_app_number] => 18/927797 [patent_app_country] => US [patent_app_date] => 2024-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18927797 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/927797
BEVERAGE CONTAINERS Oct 24, 2024 Pending
Array ( [id] => 20393872 [patent_doc_number] => 20250369347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => SEQUENCE OF CONTINUOUS EXCITATIONS FOR GENERATING PRESSURE PULSE SIGNAL IN A WELL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/920381 [patent_app_country] => US [patent_app_date] => 2024-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18920381 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/920381
SEQUENCE OF CONTINUOUS EXCITATIONS FOR GENERATING PRESSURE PULSE SIGNAL IN A WELL SYSTEM Oct 17, 2024 Issued
Array ( [id] => 20549501 [patent_doc_number] => 12560286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Monitoring and early warning method for gas gate station and internet of things system thereof [patent_app_type] => utility [patent_app_number] => 18/896860 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3631 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [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] => 18896860 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/896860
Monitoring and early warning method for gas gate station and internet of things system thereof Sep 24, 2024 Issued
Array ( [id] => 20665716 [patent_doc_number] => 12607483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Method for controlling terminal device, storage medium, general meter device and electric meter system [patent_app_type] => utility [patent_app_number] => 18/894490 [patent_app_country] => US [patent_app_date] => 2024-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 8405 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18894490 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/894490
Method for controlling terminal device, storage medium, general meter device and electric meter system Sep 23, 2024 Issued
Array ( [id] => 19750299 [patent_doc_number] => 20250038864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => High Speed Acoustic Communications and Telemetry via Solid Pieces [patent_app_type] => utility [patent_app_number] => 18/800053 [patent_app_country] => US [patent_app_date] => 2024-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18800053 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/800053
High Speed Acoustic Communications and Telemetry via Solid Pieces Aug 9, 2024 Abandoned
Array ( [id] => 20519569 [patent_doc_number] => 20260043673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => HOME ENERGY MANAGEMENT SYSTEM ON A STICK, CONNECTED TO UTILITY METER [patent_app_type] => utility [patent_app_number] => 18/799221 [patent_app_country] => US [patent_app_date] => 2024-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17439 [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] => 18799221 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/799221
HOME ENERGY MANAGEMENT SYSTEM ON A STICK, CONNECTED TO UTILITY METER Aug 8, 2024 Pending
Array ( [id] => 19606361 [patent_doc_number] => 20240397241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => METHODS, DEVICES, AND SYSTEMS FOR IMPACT DETECTION AND REPORTING FOR STRUCTURE ENVELOPES [patent_app_type] => utility [patent_app_number] => 18/790503 [patent_app_country] => US [patent_app_date] => 2024-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18330 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18790503 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/790503
Methods, devices, and systems for impact detection and reporting for structure envelopes Jul 30, 2024 Issued
Array ( [id] => 20789028 [patent_doc_number] => 12662935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Method and system for fast pulse telemetry [patent_app_type] => utility [patent_app_number] => 18/783747 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 2175 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18783747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/783747
METHOD AND SYSTEM FOR FAST PULSE TELEMETRY Jul 24, 2024 Pending
Array ( [id] => 19576769 [patent_doc_number] => 20240381061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => COMMUNICATION CONNECTION METHOD FOR CONTINUOUS BLOOD GLUCOSE MONITORING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/780590 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9953 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18780590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780590
Communication connection method for continuous blood glucose monitoring system Jul 22, 2024 Issued
Array ( [id] => 19690682 [patent_doc_number] => 20250009227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => PATIENT MONITORING DEVICE WITH REMOTE ALERT [patent_app_type] => utility [patent_app_number] => 18/771813 [patent_app_country] => US [patent_app_date] => 2024-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6105 [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] => 18771813 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/771813
PATIENT MONITORING DEVICE WITH REMOTE ALERT Jul 11, 2024 Pending
Array ( [id] => 20291914 [patent_doc_number] => 20250317157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => ANTI-GHOSTING KEYBOARD [patent_app_type] => utility [patent_app_number] => 18/767114 [patent_app_country] => US [patent_app_date] => 2024-07-09 [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] => -10 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18767114 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/767114
Anti-ghosting keyboard Jul 8, 2024 Issued
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