Search

David S. Huang

Examiner (ID: 8701, Phone: (571)270-1798 , Office: P/2631 )

Most Active Art Unit
2631
Art Unit(s)
2611, 2631
Total Applications
954
Issued Applications
816
Pending Applications
60
Abandoned Applications
110

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18771422 [patent_doc_number] => 20230366243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Adjustable Lock Mechanism [patent_app_type] => utility [patent_app_number] => 18/312281 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3336 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312281
Adjustable Lock Mechanism May 3, 2023 Pending
Array ( [id] => 18676264 [patent_doc_number] => 20230313889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => SEAL AND METHOD OF FORMING [patent_app_type] => utility [patent_app_number] => 18/310613 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310613
SEAL AND METHOD OF FORMING May 1, 2023 Pending
Array ( [id] => 19432100 [patent_doc_number] => 20240300598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => LOCKING SYSTEM AND UNLOCKING METHOD FOR ELECTRIC BICYCLE [patent_app_type] => utility [patent_app_number] => 18/302812 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4268 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302812
Locking system and unlocking method for electric bicycle Apr 18, 2023 Issued
Array ( [id] => 19512682 [patent_doc_number] => 20240344368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => BICYCLE LOCK [patent_app_type] => utility [patent_app_number] => 18/134608 [patent_app_country] => US [patent_app_date] => 2023-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134608 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134608
BICYCLE LOCK Apr 13, 2023 Abandoned
Array ( [id] => 20144465 [patent_doc_number] => 12378797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Magnetically resistant solenoid activated lock release for use in a locking device [patent_app_type] => utility [patent_app_number] => 18/299468 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299468 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299468
Magnetically resistant solenoid activated lock release for use in a locking device Apr 11, 2023 Issued
Array ( [id] => 19202284 [patent_doc_number] => 20240174183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => CLAMP MECHANISM [patent_app_type] => utility [patent_app_number] => 18/194157 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13043 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18194157 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/194157
CLAMP MECHANISM Mar 30, 2023 Pending
Array ( [id] => 18675951 [patent_doc_number] => 20230313575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => VEHICLE DOOR HANDLE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/193013 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2983 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18193013 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/193013
Vehicle door handle assembly Mar 29, 2023 Issued
Array ( [id] => 19480472 [patent_doc_number] => 20240328514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => MISTAKE-PROOFING FOR HYDROSTATIC SEAL ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 18/128568 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4955 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18128568 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128568
Mistake-proofing for hydrostatic seal assemblies Mar 29, 2023 Issued
Array ( [id] => 20127431 [patent_doc_number] => 12369729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Security barrier apparatus and system [patent_app_type] => utility [patent_app_number] => 18/128530 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 2163 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18128530 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128530
Security barrier apparatus and system Mar 29, 2023 Issued
Array ( [id] => 18538082 [patent_doc_number] => 20230243185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => DRIVING MECHANISM FOR DOOR LOCK, AND DOOR LOCK [patent_app_type] => utility [patent_app_number] => 18/128017 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6940 [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] => 18128017 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128017
Driving mechanism for door lock, and door lock Mar 28, 2023 Issued
Array ( [id] => 19464901 [patent_doc_number] => 20240318570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => SEAL SUPPORT ASSEMBLY FOR A TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 18/189379 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 49977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18189379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/189379
Seal support assembly for a turbine engine Mar 23, 2023 Issued
Array ( [id] => 19668108 [patent_doc_number] => 12180843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Resiliently deformable seal runner [patent_app_type] => utility [patent_app_number] => 18/188917 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4939 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18188917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188917
Resiliently deformable seal runner Mar 22, 2023 Issued
Array ( [id] => 20093914 [patent_doc_number] => 20250223850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => LOCK HOLDER FOR A MOTOR VEHICLE LOCKING DEVICE [patent_app_type] => utility [patent_app_number] => 18/852727 [patent_app_country] => US [patent_app_date] => 2023-03-23 [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] => -11 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18852727 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852727
LOCK HOLDER FOR A MOTOR VEHICLE LOCKING DEVICE Mar 22, 2023 Pending
Array ( [id] => 20069211 [patent_doc_number] => 20250207433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => A Driving Device, In Particular For Controlling A Lock Equipped With A Cylinder Insert, A Rotary Housing Of A Driving Device, And A Toothed Ring Of A Driving Device [patent_app_type] => utility [patent_app_number] => 18/847527 [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] => 5646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18847527 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/847527
A Driving Device, In Particular For Controlling A Lock Equipped With A Cylinder Insert, A Rotary Housing Of A Driving Device, And A Toothed Ring Of A Driving Device Mar 15, 2023 Pending
Array ( [id] => 20173442 [patent_doc_number] => 12392176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Door latch device [patent_app_type] => utility [patent_app_number] => 18/183245 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 4455 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 509 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183245 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183245
Door latch device Mar 13, 2023 Issued
Array ( [id] => 19738701 [patent_doc_number] => 12215525 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Locking device and method for securing cargo door [patent_app_type] => utility [patent_app_number] => 18/118747 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2710 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [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] => 18118747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/118747
Locking device and method for securing cargo door Mar 7, 2023 Issued
Array ( [id] => 19419013 [patent_doc_number] => 20240295136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => DOORKNOB WITH FIXING MECHANISM, LOCK ARRANGEMENT AND OPENING TOOL [patent_app_type] => utility [patent_app_number] => 18/116717 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18116717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116717
Doorknob with fixing mechanism, lock arrangement and opening tool Mar 1, 2023 Issued
Array ( [id] => 18452721 [patent_doc_number] => 20230194001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => Circumferential Sealing Assembly with Duct-Fed Hydrodynamic Grooves [patent_app_type] => utility [patent_app_number] => 18/112576 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18112576 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112576
Circumferential sealing assembly with duct-fed hydrodynamic grooves Feb 21, 2023 Issued
Array ( [id] => 19390089 [patent_doc_number] => 20240279959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => AUTOMOTIVE ELEMENT THEFT PREVENTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/169933 [patent_app_country] => US [patent_app_date] => 2023-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2970 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18169933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/169933
AUTOMOTIVE ELEMENT THEFT PREVENTION DEVICE Feb 15, 2023 Pending
Array ( [id] => 19381831 [patent_doc_number] => 20240271701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => SELF-RETAINING LIP SEAL [patent_app_type] => utility [patent_app_number] => 18/109336 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109336
Self-retaining lip seal Feb 13, 2023 Issued
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