Search

Yanzhi Zhang

Examiner (ID: 8330, Phone: (571)272-3117 , Office: P/1617 )

Most Active Art Unit
1617
Art Unit(s)
1617
Total Applications
535
Issued Applications
328
Pending Applications
4
Abandoned Applications
206

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20226035 [patent_doc_number] => 12414671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Loofah dish sponge and methods of manufacturing thereof [patent_app_type] => utility [patent_app_number] => 18/144120 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144120
Loofah dish sponge and methods of manufacturing thereof May 4, 2023 Issued
Array ( [id] => 18751755 [patent_doc_number] => 20230354969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => WATCHBAND RELEASE BUTTON SPANNER PUSH TOOL [patent_app_type] => utility [patent_app_number] => 18/312174 [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] => 2410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18312174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312174
WATCHBAND RELEASE BUTTON SPANNER PUSH TOOL May 3, 2023 Abandoned
Array ( [id] => 18785880 [patent_doc_number] => 20230373772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => CAP OPENING AND CLOSING APPARATUS AND METHOD OF CONTROLLING SAME [patent_app_type] => utility [patent_app_number] => 18/142793 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10405 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142793 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/142793
Cap opening and closing apparatus and method of controlling same May 2, 2023 Issued
Array ( [id] => 18737300 [patent_doc_number] => 20230346191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => DUSTPAN [patent_app_type] => utility [patent_app_number] => 18/308947 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4588 [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] => 18308947 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308947
DUSTPAN Apr 27, 2023 Pending
Array ( [id] => 18995421 [patent_doc_number] => 11912244 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Systems and devices for material removal from a wiper [patent_app_type] => utility [patent_app_number] => 18/306606 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6952 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306606 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/306606
Systems and devices for material removal from a wiper Apr 24, 2023 Issued
Array ( [id] => 19700960 [patent_doc_number] => 12194965 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Wrap around station and automated car wash system including the same [patent_app_type] => utility [patent_app_number] => 18/138896 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2533 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18138896 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138896
Wrap around station and automated car wash system including the same Apr 24, 2023 Issued
Array ( [id] => 18751774 [patent_doc_number] => 20230354988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => SYSTEMS AND METHODS FOR WIRE BRISTLE TUFT ATTACHMENT [patent_app_type] => utility [patent_app_number] => 18/135833 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3246 [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] => 18135833 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/135833
SYSTEMS AND METHODS FOR WIRE BRISTLE TUFT ATTACHMENT Apr 17, 2023 Pending
Array ( [id] => 18706935 [patent_doc_number] => 20230329508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => CLEANING DEVICE FOR WRINGING ASSIST [patent_app_type] => utility [patent_app_number] => 18/300846 [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] => 4768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18300846 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/300846
CLEANING DEVICE FOR WRINGING ASSIST Apr 13, 2023 Pending
Array ( [id] => 19478064 [patent_doc_number] => 20240326106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => EXTRACTION DEVICE AND MECHANISMS, AND USE IN RECYCLING BEVERAGE CAPSULES [patent_app_type] => utility [patent_app_number] => 18/129763 [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] => 9720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18129763 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/129763
EXTRACTION DEVICE AND MECHANISMS, AND USE IN RECYCLING BEVERAGE CAPSULES Mar 30, 2023 Issued
Array ( [id] => 18536989 [patent_doc_number] => 20230242081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => ROTATING BLADE MECHANISM FOR CLEANING CYLINDRICAL SENSORS [patent_app_type] => utility [patent_app_number] => 18/192490 [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] => 5476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18192490 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/192490
ROTATING BLADE MECHANISM FOR CLEANING CYLINDRICAL SENSORS Mar 28, 2023 Abandoned
Array ( [id] => 18509424 [patent_doc_number] => 20230225498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => PAINT BRUSH CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/189425 [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] => 7931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18189425 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/189425
Paint brush cleaning system Mar 23, 2023 Issued
Array ( [id] => 20534024 [patent_doc_number] => 12551072 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Surface cleaning apparatus [patent_app_type] => utility [patent_app_number] => 18/124677 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 14480 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18124677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/124677
Surface cleaning apparatus Mar 21, 2023 Issued
Array ( [id] => 19449466 [patent_doc_number] => 20240309596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Cost-effective bike lane sweeper [patent_app_type] => utility [patent_app_number] => 18/123312 [patent_app_country] => US [patent_app_date] => 2023-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2955 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18123312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123312
Cost-effective bike lane sweeper Mar 18, 2023 Pending
Array ( [id] => 20576877 [patent_doc_number] => 12569111 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Footwear vacuum assembly [patent_app_type] => utility [patent_app_number] => 18/123287 [patent_app_country] => US [patent_app_date] => 2023-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 476 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18123287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123287
Footwear vacuum assembly Mar 18, 2023 Issued
Array ( [id] => 18784265 [patent_doc_number] => 20230371773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => ROBOTIC CLEANING DEVICES, ASSOCIATED SYSTEMS, AND METHODS OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/183586 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10875 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183586 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183586
ROBOTIC CLEANING DEVICES, ASSOCIATED SYSTEMS, AND METHODS OF USING THE SAME Mar 13, 2023 Abandoned
Array ( [id] => 18550872 [patent_doc_number] => 20230248872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => PORTABLE SANITIZING CLEANING DEVICE AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 18/180336 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18180336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180336
Portable sanitizing cleaning device and method of use Mar 7, 2023 Issued
Array ( [id] => 19430368 [patent_doc_number] => 20240298866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => Mop Wringer Assembly [patent_app_type] => utility [patent_app_number] => 18/117707 [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] => 1649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117707 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117707
Mop Wringer Assembly Mar 5, 2023 Pending
Array ( [id] => 19185601 [patent_doc_number] => 20240164514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => HAIR BRUSH HAVING UNIT STRUCTURE OF BRUSH BRISTLE MODULES [patent_app_type] => utility [patent_app_number] => 18/116367 [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] => 3108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18116367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116367
HAIR BRUSH HAVING UNIT STRUCTURE OF BRUSH BRISTLE MODULES Mar 1, 2023 Abandoned
Array ( [id] => 18635365 [patent_doc_number] => 11759941 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-19 [patent_title] => Dead blow hammer [patent_app_type] => utility [patent_app_number] => 18/171033 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7709 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171033
Dead blow hammer Feb 16, 2023 Issued
Array ( [id] => 18595507 [patent_doc_number] => 20230270295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => BODY CLEANSING ACCESSORY [patent_app_type] => utility [patent_app_number] => 18/106088 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3043 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18106088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/106088
BODY CLEANSING ACCESSORY Feb 5, 2023 Pending
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