Search

Hanway Chang

Examiner (ID: 506, Phone: (571)270-5766 , Office: P/2881 )

Most Active Art Unit
2881
Art Unit(s)
4183, 2881, 2878
Total Applications
1114
Issued Applications
937
Pending Applications
92
Abandoned Applications
102

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20420044 [patent_doc_number] => 20250382129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => Transport Facility [patent_app_type] => utility [patent_app_number] => 19/240610 [patent_app_country] => US [patent_app_date] => 2025-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1245 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 361 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19240610 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/240610
Transport Facility Jun 16, 2025 Pending
19/129813 VEHICLE STATUS EVALUATION May 13, 2025 Pending
Array ( [id] => 20288950 [patent_doc_number] => 20250314193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 19/170442 [patent_app_country] => US [patent_app_date] => 2025-04-04 [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] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19170442 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/170442
INTERNAL COMBUSTION ENGINE Apr 3, 2025 Pending
Array ( [id] => 20472818 [patent_doc_number] => 20260015037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => STEERING DEVICE [patent_app_type] => utility [patent_app_number] => 19/090812 [patent_app_country] => US [patent_app_date] => 2025-03-26 [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] => -8 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19090812 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/090812
STEERING DEVICE Mar 25, 2025 Pending
Array ( [id] => 20284448 [patent_doc_number] => 20250309690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => NON-CONTACT POWER TRANSMISSION SYSTEM AND NON-CONTACT POWER TRANSMISSION METHOD [patent_app_type] => utility [patent_app_number] => 19/062264 [patent_app_country] => US [patent_app_date] => 2025-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19062264 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/062264
NON-CONTACT POWER TRANSMISSION SYSTEM AND NON-CONTACT POWER TRANSMISSION METHOD Feb 24, 2025 Pending
Array ( [id] => 20194235 [patent_doc_number] => 20250270945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => Engine-Oil Dipstick Having a Magnet [patent_app_type] => utility [patent_app_number] => 19/061091 [patent_app_country] => US [patent_app_date] => 2025-02-24 [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] => -7 [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] => 19061091 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/061091
Engine-Oil Dipstick Having a Magnet Feb 23, 2025 Pending
Array ( [id] => 20220797 [patent_doc_number] => 20250283728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => NAVIGATION DEVICE AND BATTERY ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 19/053859 [patent_app_country] => US [patent_app_date] => 2025-02-14 [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] => -3 [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] => 19053859 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/053859
Navigation device and battery electric vehicle Feb 13, 2025 Issued
Array ( [id] => 20392767 [patent_doc_number] => 20250368242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT [patent_app_type] => utility [patent_app_number] => 19/049083 [patent_app_country] => US [patent_app_date] => 2025-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 19049083 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/049083
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT Feb 9, 2025 Pending
Array ( [id] => 20150074 [patent_doc_number] => 20250249912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => DRIVER STATE ESTIMATION APPARATUS, SYSTEM AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 19/042015 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4858 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19042015 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/042015
DRIVER STATE ESTIMATION APPARATUS, SYSTEM AND ASSOCIATED METHODS Jan 30, 2025 Pending
Array ( [id] => 20084700 [patent_doc_number] => 20250214636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => Method for acquisition and display of signaling equipment status [patent_app_type] => utility [patent_app_number] => 19/004268 [patent_app_country] => US [patent_app_date] => 2024-12-28 [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] => -12 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19004268 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/004268
Method for acquisition and display of signaling equipment status Dec 27, 2024 Pending
Array ( [id] => 20207014 [patent_doc_number] => 20250276734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => DRIVE ASSIST DEVICE [patent_app_type] => utility [patent_app_number] => 18/973469 [patent_app_country] => US [patent_app_date] => 2024-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18973469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/973469
Drive assist device Dec 8, 2024 Issued
Array ( [id] => 19861604 [patent_doc_number] => 20250100390 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => VEHICLE BRAKING CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/972614 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18972614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/972614
VEHICLE BRAKING CONTROL SYSTEM Dec 5, 2024 Pending
Array ( [id] => 20040431 [patent_doc_number] => 20250178653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => TRANSPORT VEHICLE AND TRANSPORT SYSTEM INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/963645 [patent_app_country] => US [patent_app_date] => 2024-11-28 [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] => -17 [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] => 18963645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/963645
TRANSPORT VEHICLE AND TRANSPORT SYSTEM INCLUDING THE SAME Nov 27, 2024 Pending
Array ( [id] => 19871792 [patent_doc_number] => 12264642 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-01 [patent_title] => Toroidal vortex induction diffuser [patent_app_type] => utility [patent_app_number] => 18/960582 [patent_app_country] => US [patent_app_date] => 2024-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4185 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18960582 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/960582
Toroidal vortex induction diffuser Nov 25, 2024 Issued
18/867983 TRAVEL ENERGY ESTIMATING DEVICE, TRAVEL ENERGY ESTIMATING METHOD, AND COMPUTER PROGRAM Nov 20, 2024 Pending
Array ( [id] => 20058605 [patent_doc_number] => 20250196827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => APPARATUS FOR CONTROLLING AUTONOMOUS DRIVING AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/943552 [patent_app_country] => US [patent_app_date] => 2024-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18943552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/943552
APPARATUS FOR CONTROLLING AUTONOMOUS DRIVING AND METHOD THEREOF Nov 10, 2024 Pending
Array ( [id] => 20247686 [patent_doc_number] => 20250296555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => METHOD OF CONTROLLING VEHICLE SAFETY DEVICE [patent_app_type] => utility [patent_app_number] => 18/931716 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18931716 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/931716
METHOD OF CONTROLLING VEHICLE SAFETY DEVICE Oct 29, 2024 Pending
Array ( [id] => 20554944 [patent_doc_number] => 20260054724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => METHOD AND APPARATUS FOR ADJUSTING CONTROL TORQUE OF DRIVER ASSISTANCE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/932182 [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] => 1173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18932182 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/932182
METHOD AND APPARATUS FOR ADJUSTING CONTROL TORQUE OF DRIVER ASSISTANCE SYSTEM Oct 29, 2024 Pending
Array ( [id] => 20634149 [patent_doc_number] => 12595016 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-07 [patent_title] => Notification system, notification method, and computer program [patent_app_type] => utility [patent_app_number] => 18/928636 [patent_app_country] => US [patent_app_date] => 2024-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7304 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18928636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/928636
Notification system, notification method, and computer program Oct 27, 2024 Issued
Array ( [id] => 19745048 [patent_doc_number] => 20250033613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => BRAKE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/917281 [patent_app_country] => US [patent_app_date] => 2024-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18769 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18917281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/917281
Brake system Oct 15, 2024 Issued
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