Search

Thanh V. Pham

Examiner (ID: 2241, Phone: (571)272-1866 , Office: P/2899 )

Most Active Art Unit
2823
Art Unit(s)
2823, 2894, 2899
Total Applications
1200
Issued Applications
1002
Pending Applications
5
Abandoned Applications
195

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20596775 [patent_doc_number] => 12580504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Current based resonant frequency tracking system [patent_app_type] => utility [patent_app_number] => 18/209289 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [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] => 18209289 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/209289
Current based resonant frequency tracking system Jun 12, 2023 Issued
Array ( [id] => 19630914 [patent_doc_number] => 20240409363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => ELEVATOR PIT LADDER SAFETY NET SYSTEM [patent_app_type] => utility [patent_app_number] => 18/332958 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8361 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332958 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332958
ELEVATOR PIT LADDER SAFETY NET SYSTEM Jun 11, 2023 Pending
Array ( [id] => 19630919 [patent_doc_number] => 20240409368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => ELEVATOR SYSTEM INCLUDING PIT SAFETY INTERFACE [patent_app_type] => utility [patent_app_number] => 18/333187 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3820 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333187
ELEVATOR SYSTEM INCLUDING PIT SAFETY INTERFACE Jun 11, 2023 Pending
Array ( [id] => 18899236 [patent_doc_number] => 20240014721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => POWER DISTRIBUTION WITHIN AN ELECTRIC MACHINE [patent_app_type] => utility [patent_app_number] => 18/332038 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18332038 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332038
Power distribution within an electric machine Jun 8, 2023 Issued
Array ( [id] => 19858694 [patent_doc_number] => 12261555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Motor current optimization control method and system [patent_app_type] => utility [patent_app_number] => 18/329937 [patent_app_country] => US [patent_app_date] => 2023-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3665 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18329937 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/329937
Motor current optimization control method and system Jun 5, 2023 Issued
Array ( [id] => 18834425 [patent_doc_number] => 20230402952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => MOTOR CONTROL CONTROLLER SYSTEM AND METHODS [patent_app_type] => utility [patent_app_number] => 18/205467 [patent_app_country] => US [patent_app_date] => 2023-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6893 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18205467 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/205467
Motor control controller system and methods Jun 1, 2023 Issued
Array ( [id] => 19874152 [patent_doc_number] => 12267028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Control apparatus of three-phase AC motor [patent_app_type] => utility [patent_app_number] => 18/323033 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 7450 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/323033
Control apparatus of three-phase AC motor May 23, 2023 Issued
Array ( [id] => 19122222 [patent_doc_number] => 11966202 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Tracking a position of a motorized window treatment [patent_app_type] => utility [patent_app_number] => 18/321422 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 13382 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321422 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321422
Tracking a position of a motorized window treatment May 21, 2023 Issued
Array ( [id] => 19097171 [patent_doc_number] => 20240116398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => ELECTRIFIED VEHICLE [patent_app_type] => utility [patent_app_number] => 18/195106 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195106 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195106
Electrified vehicle May 8, 2023 Issued
Array ( [id] => 19965333 [patent_doc_number] => 12334856 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Linear actuator and heating method [patent_app_type] => utility [patent_app_number] => 18/313498 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18313498 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313498
Linear actuator and heating method May 7, 2023 Issued
Array ( [id] => 19511839 [patent_doc_number] => 20240343525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => METHOD AND APPARATUS TO DETERMINE A VERTICAL POSITION OF AN ELEVATOR IN A HOISTWAY [patent_app_type] => utility [patent_app_number] => 18/134283 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18134283 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134283
METHOD AND APPARATUS TO DETERMINE A VERTICAL POSITION OF AN ELEVATOR IN A HOISTWAY Apr 12, 2023 Pending
Array ( [id] => 19513875 [patent_doc_number] => 20240345561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => MONITORING AND DISPATCH SYSTEM FOR CONVEYANCE SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/134287 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134287
MONITORING AND DISPATCH SYSTEM FOR CONVEYANCE SYSTEMS Apr 12, 2023 Pending
Array ( [id] => 19450735 [patent_doc_number] => 20240310865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Elevator Button Bezel Assembly [patent_app_type] => utility [patent_app_number] => 18/122331 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122331 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122331
Elevator Button Bezel Assembly Mar 15, 2023 Pending
Array ( [id] => 18626092 [patent_doc_number] => 20230284871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => SURGICAL ROBOTIC TOOL MULTI-MOTOR ACTUATOR AND CONTROLLER [patent_app_type] => utility [patent_app_number] => 18/184458 [patent_app_country] => US [patent_app_date] => 2023-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184458 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184458
Surgical robotic tool multi-motor actuator and controller Mar 14, 2023 Issued
Array ( [id] => 19418124 [patent_doc_number] => 20240294247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => FLIGHT CONTROL SYSTEM WITH HAPTIC FEEDBACK AND ASSOCIATED SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/178040 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18178040 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/178040
FLIGHT CONTROL SYSTEM WITH HAPTIC FEEDBACK AND ASSOCIATED SYSTEMS AND METHODS Mar 2, 2023 Pending
Array ( [id] => 18450671 [patent_doc_number] => 20230191948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => SYSTEM AND METHOD FOR FAULT HANDLING IN A PROPULSION SYSTEM FOR AN ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/108801 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18108801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/108801
System and method for fault handling in a propulsion system for an electric vehicle Feb 12, 2023 Issued
Array ( [id] => 19364943 [patent_doc_number] => 20240266977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => METHOD AND CIRCUIT ARRANGEMENT FOR CONTROLLING A STEPPER MOTOR [patent_app_type] => utility [patent_app_number] => 18/106624 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18106624 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/106624
Method and circuit arrangement for controlling a stepper motor Feb 6, 2023 Issued
Array ( [id] => 18435746 [patent_doc_number] => 20230183040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => SOLUTION FOR MANAGING USAGE DATA OF AN ELEVATOR SYSTEM OPERATING IN A CONSTRUCTION TIME USE MODE [patent_app_type] => utility [patent_app_number] => 18/105403 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4090 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18105403 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105403
SOLUTION FOR MANAGING USAGE DATA OF AN ELEVATOR SYSTEM OPERATING IN A CONSTRUCTION TIME USE MODE Feb 2, 2023 Pending
Array ( [id] => 19594541 [patent_doc_number] => 12152371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Motor control for electrically powered power machine [patent_app_type] => utility [patent_app_number] => 18/157256 [patent_app_country] => US [patent_app_date] => 2023-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 15998 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18157256 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/157256
Motor control for electrically powered power machine Jan 19, 2023 Issued
Array ( [id] => 19926854 [patent_doc_number] => 12301153 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Electric movable body [patent_app_type] => utility [patent_app_number] => 18/156742 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 12116 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [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] => 18156742 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156742
Electric movable body Jan 18, 2023 Issued
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