Search

William K. Cheung

Examiner (ID: 235, Phone: (571)272-1097 , Office: P/1762 )

Most Active Art Unit
1762
Art Unit(s)
1762, 1796, 1713
Total Applications
2398
Issued Applications
1935
Pending Applications
41
Abandoned Applications
433

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19989389 [patent_doc_number] => 20250127611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => Liquid Accommodating Intraocular Lens with an Asymmetric Chamber [patent_app_type] => utility [patent_app_number] => 18/508702 [patent_app_country] => US [patent_app_date] => 2023-11-14 [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] => -18 [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] => 18508702 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508702
Liquid accommodating intraocular lens with an asymmetric chamber Nov 13, 2023 Issued
Array ( [id] => 19968556 [patent_doc_number] => 12337141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Method and apparatus for the fail-safe termination of in vivo drug delivery from an implantable drug delivery system [patent_app_type] => utility [patent_app_number] => 18/388626 [patent_app_country] => US [patent_app_date] => 2023-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 29 [patent_no_of_words] => 1179 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388626 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388626
Method and apparatus for the fail-safe termination of in vivo drug delivery from an implantable drug delivery system Nov 9, 2023 Issued
Array ( [id] => 20015463 [patent_doc_number] => 20250153685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => WINDSHIELD WIPER ASSEMBLY STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/505897 [patent_app_country] => US [patent_app_date] => 2023-11-09 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505897 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505897
Windshield wiper assembly structure Nov 8, 2023 Issued
Array ( [id] => 19921302 [patent_doc_number] => 12295559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Surgical retractors and methods of using the same [patent_app_type] => utility [patent_app_number] => 18/493605 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 8894 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18493605 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/493605
Surgical retractors and methods of using the same Oct 23, 2023 Issued
Array ( [id] => 18970641 [patent_doc_number] => 20240050733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => SYSTEMS AND METHODS FOR ENHANCING NEUROSTRUCTURAL DEVELOPMENT [patent_app_type] => utility [patent_app_number] => 18/492739 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492739 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/492739
SYSTEMS AND METHODS FOR ENHANCING NEUROSTRUCTURAL DEVELOPMENT Oct 22, 2023 Abandoned
Array ( [id] => 19991538 [patent_doc_number] => 20250129760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => INJECTION CONTROL VALVE IN FUEL INJECTOR CONFIGURED FOR PRESSURE RELIEF [patent_app_type] => utility [patent_app_number] => 18/489037 [patent_app_country] => US [patent_app_date] => 2023-10-18 [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] => -16 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489037 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/489037
Injection control valve in fuel injector configured for pressure relief Oct 17, 2023 Issued
Array ( [id] => 19983576 [patent_doc_number] => 20250121798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => PIVOT ASSEMBLY FOR A WIPER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/486257 [patent_app_country] => US [patent_app_date] => 2023-10-13 [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] => -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] => 18486257 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486257
Pivot assembly for a wiper system Oct 12, 2023 Issued
Array ( [id] => 19065915 [patent_doc_number] => 20240100341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SYSTEMS AND METHODS FOR STIMULATION OF CRANIAL NERVES [patent_app_type] => utility [patent_app_number] => 18/376780 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18608 [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] => 18376780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/376780
SYSTEMS AND METHODS FOR STIMULATION OF CRANIAL NERVES Oct 3, 2023 Abandoned
Array ( [id] => 18900874 [patent_doc_number] => 20240016359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => Remote-Access Duster [patent_app_type] => utility [patent_app_number] => 18/374150 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8903 [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] => 18374150 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/374150
Remote-access duster Sep 27, 2023 Issued
Array ( [id] => 18921680 [patent_doc_number] => 20240024684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => VESTIBULAR STIMULATION MEDICAL DEVICE [patent_app_type] => utility [patent_app_number] => 18/351362 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15708 [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] => 18351362 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351362
VESTIBULAR STIMULATION MEDICAL DEVICE Jul 11, 2023 Pending
Array ( [id] => 18695874 [patent_doc_number] => 20230326303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => AMUSEMENT DEVICES AND GAMES INVOLVING HEAD TO HEAD PLAY [patent_app_type] => utility [patent_app_number] => 18/210196 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18210196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/210196
AMUSEMENT DEVICES AND GAMES INVOLVING HEAD TO HEAD PLAY Jun 14, 2023 Pending
Array ( [id] => 18673510 [patent_doc_number] => 20230311010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => SWING DESIGNED TO PROMOTE ATTUNEMENT BETWEEN CHILD AND CARETAKER [patent_app_type] => utility [patent_app_number] => 18/207389 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207389 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207389
Swing designed to promote attunement between child and caretaker Jun 7, 2023 Issued
Array ( [id] => 19968102 [patent_doc_number] => 12336682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Extraction cleaner [patent_app_type] => utility [patent_app_number] => 18/207551 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 51 [patent_no_of_words] => 23926 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207551 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207551
Extraction cleaner Jun 7, 2023 Issued
Array ( [id] => 18691338 [patent_doc_number] => 20230321553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => Modular Slide Apparatus and System [patent_app_type] => utility [patent_app_number] => 18/331161 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7141 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331161
Modular Slide Apparatus and System Jun 6, 2023 Abandoned
Array ( [id] => 18550141 [patent_doc_number] => 20230248139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => Head For An Oral Care Implement [patent_app_type] => utility [patent_app_number] => 18/302957 [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] => 5863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18302957 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302957
Head for an oral care implement Apr 18, 2023 Issued
Array ( [id] => 18613218 [patent_doc_number] => 20230279954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => COOLANT FLOW CONTROL VALVE SEAL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/178999 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18178999 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/178999
Coolant flow control valve seal assembly Mar 5, 2023 Issued
Array ( [id] => 19876223 [patent_doc_number] => 20250108480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => METHOD OF DRESSING A GRINDING WHEEL [patent_app_type] => utility [patent_app_number] => 18/851791 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18851791 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/851791
METHOD OF DRESSING A GRINDING WHEEL Feb 27, 2023 Pending
Array ( [id] => 18433801 [patent_doc_number] => 20230181095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => METHODS AND APPARATUS FOR GUIDING MEDICAL CARE BASED ON SENSOR DATA FROM THE GASTROINTESTINAL TRACT [patent_app_type] => utility [patent_app_number] => 18/166747 [patent_app_country] => US [patent_app_date] => 2023-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166747
METHODS AND APPARATUS FOR GUIDING MEDICAL CARE BASED ON SENSOR DATA FROM THE GASTROINTESTINAL TRACT Feb 8, 2023 Pending
Array ( [id] => 19333200 [patent_doc_number] => 20240247630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => Fluid Injector with Flat Sealing Surface [patent_app_type] => utility [patent_app_number] => 18/101114 [patent_app_country] => US [patent_app_date] => 2023-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7134 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18101114 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101114
Fluid injector with flat sealing surface Jan 23, 2023 Issued
Array ( [id] => 18530761 [patent_doc_number] => 20230235832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => MULTI-PORT THERMAL MODULE [patent_app_type] => utility [patent_app_number] => 18/156041 [patent_app_country] => US [patent_app_date] => 2023-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18156041 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156041
Multi-port thermal module Jan 17, 2023 Issued
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