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] => 19977872 [patent_doc_number] => 12345341 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Control valve [patent_app_type] => utility [patent_app_number] => 18/555555 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 39 [patent_no_of_words] => 2411 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555555 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555555
Control valve Apr 14, 2022 Issued
Array ( [id] => 19234612 [patent_doc_number] => 20240191805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => CONTROL VALVE [patent_app_type] => utility [patent_app_number] => 18/555532 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5835 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555532 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555532
Control valve Apr 14, 2022 Issued
Array ( [id] => 19941044 [patent_doc_number] => 12313169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Control valve and sealing component [patent_app_type] => utility [patent_app_number] => 18/555550 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 1253 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555550
Control valve and sealing component Apr 14, 2022 Issued
Array ( [id] => 19946451 [patent_doc_number] => 12317784 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Blowing-sucking device [patent_app_type] => utility [patent_app_number] => 17/719795 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 1145 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17719795 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/719795
Blowing-sucking device Apr 12, 2022 Issued
Array ( [id] => 18538399 [patent_doc_number] => 20230243502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => TURBINE ENGINE FUEL MIXER [patent_app_type] => utility [patent_app_number] => 17/717603 [patent_app_country] => US [patent_app_date] => 2022-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17717603 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/717603
Turbine engine fuel mixer Apr 10, 2022 Issued
Array ( [id] => 19938432 [patent_doc_number] => 12310543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Robotic cleaner with sweeper and rotating dusting pads [patent_app_type] => utility [patent_app_number] => 17/712749 [patent_app_country] => US [patent_app_date] => 2022-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 2467 [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] => 17712749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/712749
Robotic cleaner with sweeper and rotating dusting pads Apr 3, 2022 Issued
Array ( [id] => 18656638 [patent_doc_number] => 20230302539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => TOOL FOR SCAN PATH VISUALIZATION AND DEFECT DISTRIBUTION PREDICTION [patent_app_type] => utility [patent_app_number] => 17/704696 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10855 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17704696 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/704696
TOOL FOR SCAN PATH VISUALIZATION AND DEFECT DISTRIBUTION PREDICTION Mar 24, 2022 Pending
Array ( [id] => 18656681 [patent_doc_number] => 20230302582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => LASER DRILLED FACEPLATE [patent_app_type] => utility [patent_app_number] => 17/703505 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17703505 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/703505
LASER DRILLED FACEPLATE Mar 23, 2022 Pending
Array ( [id] => 19926506 [patent_doc_number] => 12300802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Methods and apparatus for producing nanometer scale particles for energy storage materials utilizing an electrosterically stabilized slurry in a media mill [patent_app_type] => utility [patent_app_number] => 17/654915 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 4545 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17654915 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/654915
Methods and apparatus for producing nanometer scale particles for energy storage materials utilizing an electrosterically stabilized slurry in a media mill Mar 14, 2022 Issued
Array ( [id] => 17958881 [patent_doc_number] => 20220339461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => ELECTRONIC DEVICE AND OPERATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/693647 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5155 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693647 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693647
Electronic device and operation method thereof for increasing treatment effect on target area Mar 13, 2022 Issued
Array ( [id] => 17832943 [patent_doc_number] => 20220270247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => APPARATUS FOR MOVING A MEDICAL OBJECT AND METHOD FOR PROVIDING A CONTROL INSTRUCTION [patent_app_type] => utility [patent_app_number] => 17/673369 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13780 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17673369 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673369
APPARATUS FOR MOVING A MEDICAL OBJECT AND METHOD FOR PROVIDING A CONTROL INSTRUCTION Feb 15, 2022 Pending
Array ( [id] => 17733454 [patent_doc_number] => 20220218913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => MEDICAMENT DELIVERY DEVICE ADAPTED FOR LONG TERM STORAGE [patent_app_type] => utility [patent_app_number] => 17/650694 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650694 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650694
Medicament delivery device adapted for long term storage Feb 10, 2022 Issued
Array ( [id] => 19939671 [patent_doc_number] => 12311788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Charge port door [patent_app_type] => utility [patent_app_number] => 17/586130 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 1082 [patent_no_of_claims] => 17 [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] => 17586130 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586130
Charge port door Jan 26, 2022 Issued
Array ( [id] => 18785203 [patent_doc_number] => 20230372954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => SYSTEM AND METHOD FOR MAGNETICALLY INDUCED ELECTROSPRAY THRUSTERS [patent_app_type] => utility [patent_app_number] => 18/260244 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18260244 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/260244
System and method for magnetically induced electrospray thrusters Jan 2, 2022 Issued
Array ( [id] => 17531871 [patent_doc_number] => 20220110480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => MULTI-USE COOKING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/561873 [patent_app_country] => US [patent_app_date] => 2021-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17561873 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/561873
MULTI-USE COOKING APPARATUS Dec 23, 2021 Pending
Array ( [id] => 20078249 [patent_doc_number] => 12352306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Workpiece support for a thermal processing system [patent_app_type] => utility [patent_app_number] => 17/550148 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550148
Workpiece support for a thermal processing system Dec 13, 2021 Issued
Array ( [id] => 17481240 [patent_doc_number] => 20220088744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => CMP MACHINE WITH IMPROVED THROUGHPUT AND PROCESS FLEXIBILITY [patent_app_type] => utility [patent_app_number] => 17/457871 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7542 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17457871 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/457871
CMP MACHINE WITH IMPROVED THROUGHPUT AND PROCESS FLEXIBILITY Dec 5, 2021 Pending
Array ( [id] => 18903585 [patent_doc_number] => 20240019070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => PIPE-OR DUCT PROBE AND SYSTEM COMPRISING PIPE-OR DUCT PROBE [patent_app_type] => utility [patent_app_number] => 18/265035 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4763 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18265035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/265035
Pipe or duct probe and system comprising pipe or duct probe Nov 29, 2021 Issued
Array ( [id] => 19943615 [patent_doc_number] => 12315751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => System for a semiconductor fabrication facility and method for operating the same [patent_app_type] => utility [patent_app_number] => 17/530927 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1195 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17530927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/530927
System for a semiconductor fabrication facility and method for operating the same Nov 18, 2021 Issued
Array ( [id] => 19955006 [patent_doc_number] => 12325408 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Method for operating a brake system of a motor vehicle [patent_app_type] => utility [patent_app_number] => 18/252809 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18252809 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/252809
Method for operating a brake system of a motor vehicle Nov 2, 2021 Issued
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