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] => 20030714 [patent_doc_number] => 20250168936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => Warming Tray [patent_app_type] => utility [patent_app_number] => 19/027342 [patent_app_country] => US [patent_app_date] => 2025-01-17 [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] => -6 [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] => 19027342 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/027342
Warming Tray Jan 16, 2025 Abandoned
Array ( [id] => 19629172 [patent_doc_number] => 20240407621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => SURFACE CLEANER [patent_app_type] => utility [patent_app_number] => 18/810754 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18810754 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/810754
Surface cleaner Aug 20, 2024 Issued
Array ( [id] => 19946994 [patent_doc_number] => 12318331 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Intraocular lens docking station [patent_app_type] => utility [patent_app_number] => 18/749962 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 5692 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18749962 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/749962
Intraocular lens docking station Jun 20, 2024 Issued
Array ( [id] => 19954717 [patent_doc_number] => 12325116 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-10 [patent_title] => Greaseless hydraulic hammer [patent_app_type] => utility [patent_app_number] => 18/657919 [patent_app_country] => US [patent_app_date] => 2024-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8325 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18657919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/657919
Greaseless hydraulic hammer May 7, 2024 Issued
Array ( [id] => 19572561 [patent_doc_number] => 20240376853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => REMOTE VEHICULAR INTERRUPTER [patent_app_type] => utility [patent_app_number] => 18/639125 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18639125 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639125
Remote vehicular interrupter Apr 17, 2024 Issued
Array ( [id] => 19941239 [patent_doc_number] => 12313365 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-27 [patent_title] => Skeletonized bolt carrier for an AK rifle [patent_app_type] => utility [patent_app_number] => 18/628245 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18628245 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/628245
Skeletonized bolt carrier for an AK rifle Apr 4, 2024 Issued
Array ( [id] => 19962055 [patent_doc_number] => 12331544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Device for automatically cleaning a handle [patent_app_type] => utility [patent_app_number] => 18/624803 [patent_app_country] => US [patent_app_date] => 2024-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 33 [patent_no_of_words] => 7025 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18624803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/624803
Device for automatically cleaning a handle Apr 1, 2024 Issued
Array ( [id] => 19316329 [patent_doc_number] => 20240237869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => LIFTING DEVICE FOR CLEANING ASSEMBLY AND CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/620761 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18620761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/620761
Lifting device for cleaning assembly and cleaning apparatus Mar 27, 2024 Issued
Array ( [id] => 19282489 [patent_doc_number] => 20240218964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => Free Standing Stand [patent_app_type] => utility [patent_app_number] => 18/603836 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603836 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603836
Free standing stand Mar 12, 2024 Issued
Array ( [id] => 19975803 [patent_doc_number] => 12343259 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Expandable augment system for acetabular cup [patent_app_type] => utility [patent_app_number] => 18/590344 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 4387 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18590344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/590344
Expandable augment system for acetabular cup Feb 27, 2024 Issued
Array ( [id] => 19921591 [patent_doc_number] => 12295849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Mandibular reconstruction systems and methods [patent_app_type] => utility [patent_app_number] => 18/440910 [patent_app_country] => US [patent_app_date] => 2024-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 67 [patent_figures_cnt] => 98 [patent_no_of_words] => 8894 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18440910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/440910
Mandibular reconstruction systems and methods Feb 12, 2024 Issued
Array ( [id] => 19432303 [patent_doc_number] => 20240300801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => Cartridge Valve and System [patent_app_type] => utility [patent_app_number] => 18/439184 [patent_app_country] => US [patent_app_date] => 2024-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18439184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/439184
Cartridge valve and system Feb 11, 2024 Issued
Array ( [id] => 19170704 [patent_doc_number] => 20240156678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => BUBBLE MASSAGE FLOAT APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 18/418575 [patent_app_country] => US [patent_app_date] => 2024-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18418575 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/418575
Bubble massage float apparatus and method Jan 21, 2024 Issued
Array ( [id] => 19944791 [patent_doc_number] => 12316938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Playground apparatus comprising a camera support [patent_app_type] => utility [patent_app_number] => 18/418997 [patent_app_country] => US [patent_app_date] => 2024-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 30 [patent_no_of_words] => 6183 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 18418997 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/418997
Playground apparatus comprising a camera support Jan 21, 2024 Issued
Array ( [id] => 19939171 [patent_doc_number] => 12311286 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-27 [patent_title] => Race circuit [patent_app_type] => utility [patent_app_number] => 18/417817 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 1298 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417817 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417817
Race circuit Jan 18, 2024 Issued
Array ( [id] => 19923333 [patent_doc_number] => 12297605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Playing surface assemblies and systems, and methods of making and using same [patent_app_type] => utility [patent_app_number] => 18/406820 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 26556 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406820
Playing surface assemblies and systems, and methods of making and using same Jan 7, 2024 Issued
Array ( [id] => 19155511 [patent_doc_number] => 20240148217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => FLOOR CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/391888 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18391888 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/391888
FLOOR CLEANING SYSTEM Dec 20, 2023 Pending
Array ( [id] => 19932173 [patent_doc_number] => 12305372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Faucet assembly with friction ring [patent_app_type] => utility [patent_app_number] => 18/531576 [patent_app_country] => US [patent_app_date] => 2023-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18531576 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/531576
Faucet assembly with friction ring Dec 5, 2023 Issued
Array ( [id] => 19065026 [patent_doc_number] => 20240099452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => ORAL CARE SYSTEM WITH A TRACKING ATTACHMENT AND METHOD OF ASSEMBLING THE SAME [patent_app_type] => utility [patent_app_number] => 18/530726 [patent_app_country] => US [patent_app_date] => 2023-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18530726 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/530726
Oral care system with a tracking attachment and method of assembling the same Dec 5, 2023 Issued
Array ( [id] => 19048752 [patent_doc_number] => 20240090721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => ROBOTIC CLEANER WITH DUAL CLEANING ROLLERS [patent_app_type] => utility [patent_app_number] => 18/519793 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18519793 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/519793
Robotic cleaner with dual cleaning rollers Nov 26, 2023 Issued
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