Search

Xu Mei

Examiner (ID: 6208, Phone: (571)272-7523 , Office: P/2654 )

Most Active Art Unit
2654
Art Unit(s)
2654, 2644, 2615, 2614, 2695, 2747, 2605, 2608, 2743
Total Applications
1922
Issued Applications
1495
Pending Applications
205
Abandoned Applications
250

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18948041 [patent_doc_number] => 11891322 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Mobile cleaning and water treatment system [patent_app_type] => utility [patent_app_number] => 17/507955 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9423 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17507955 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/507955
Mobile cleaning and water treatment system Oct 21, 2021 Issued
Array ( [id] => 17563365 [patent_doc_number] => 20220127514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => CALCITE SCALE CONTROL AGENT FOR GEOTHERMAL WELLS [patent_app_type] => utility [patent_app_number] => 17/506905 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17506905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/506905
Calcite scale control agent for geothermal wells Oct 20, 2021 Issued
Array ( [id] => 17385428 [patent_doc_number] => 20220033280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => Water Dissociation System [patent_app_type] => utility [patent_app_number] => 17/505253 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13310 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17505253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/505253
Water dissociation system Oct 18, 2021 Issued
Array ( [id] => 20438537 [patent_doc_number] => 12509364 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Device and method for monitoring a softening unit for water [patent_app_type] => utility [patent_app_number] => 18/248890 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18248890 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/248890
Device and method for monitoring a softening unit for water Oct 13, 2021 Issued
Array ( [id] => 19410866 [patent_doc_number] => 12076661 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Managing solvent associated with a field flow fractionator [patent_app_type] => utility [patent_app_number] => 17/502007 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3646 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17502007 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/502007
Managing solvent associated with a field flow fractionator Oct 13, 2021 Issued
Array ( [id] => 18778101 [patent_doc_number] => 11819781 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Device for solid phase extraction and method for use thereof [patent_app_type] => utility [patent_app_number] => 17/500460 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 23281 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500460 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500460
Device for solid phase extraction and method for use thereof Oct 12, 2021 Issued
Array ( [id] => 17643175 [patent_doc_number] => 20220170913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => Method for Processing Blood Sample [patent_app_type] => utility [patent_app_number] => 17/498856 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17498856 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/498856
Method for Processing Blood Sample Oct 11, 2021 Abandoned
Array ( [id] => 20386470 [patent_doc_number] => 12486186 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Process of using demineralized water for chlorate reduction in on-site brine electrochlorination systems [patent_app_type] => utility [patent_app_number] => 18/031144 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 4446 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18031144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/031144
Process of using demineralized water for chlorate reduction in on-site brine electrochlorination systems Oct 7, 2021 Issued
Array ( [id] => 17505744 [patent_doc_number] => 20220098847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => DIRECT GREASE AND/OR SOLIDS COLLECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/491139 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17491139 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/491139
Direct grease and/or solids collection system Sep 29, 2021 Issued
Array ( [id] => 17342304 [patent_doc_number] => 20220008635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => METHODS AND APPARATUSES USING UREA PERMSELECTIVE DIFFUSION THROUGH CHARGED MEMBRANES [patent_app_type] => utility [patent_app_number] => 17/486390 [patent_app_country] => US [patent_app_date] => 2021-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17486390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/486390
Methods and apparatuses using urea permselective diffusion through charged membranes Sep 26, 2021 Issued
Array ( [id] => 18922781 [patent_doc_number] => 20240025785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => PRODUCTION DEVICE FOR PH/REDOX POTENTIAL-ADJUSTED WATER [patent_app_type] => utility [patent_app_number] => 18/026787 [patent_app_country] => US [patent_app_date] => 2021-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7094 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18026787 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/026787
PRODUCTION DEVICE FOR PH/REDOX POTENTIAL-ADJUSTED WATER Sep 21, 2021 Pending
Array ( [id] => 19291614 [patent_doc_number] => 12030961 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Method for removing organic solvent from starch hemostatic microspheres [patent_app_type] => utility [patent_app_number] => 17/479586 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2576 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17479586 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/479586
Method for removing organic solvent from starch hemostatic microspheres Sep 19, 2021 Issued
Array ( [id] => 17460884 [patent_doc_number] => 20220074189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => Stormwater Biofiltration System and Method [patent_app_type] => utility [patent_app_number] => 17/480110 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8078 [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] => 17480110 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480110
Stormwater biofiltration system and method Sep 19, 2021 Issued
Array ( [id] => 19638014 [patent_doc_number] => 12168614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Amorphous carbons for phosphate removal and methods thereof [patent_app_type] => utility [patent_app_number] => 17/476891 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 104 [patent_figures_cnt] => 139 [patent_no_of_words] => 18557 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [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] => 17476891 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/476891
Amorphous carbons for phosphate removal and methods thereof Sep 15, 2021 Issued
Array ( [id] => 18253307 [patent_doc_number] => 20230080346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => SYSTEMS, METHODS, AND DEVICES FOR REMOVING CONTAMINANTS FROM STORMWATER [patent_app_type] => utility [patent_app_number] => 17/477274 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17477274 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/477274
Systems, methods, and devices for removing contaminants from stormwater Sep 15, 2021 Issued
Array ( [id] => 18830725 [patent_doc_number] => 20230399249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => WATER TREATMENT METHOD AND WATER TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 18/032248 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18032248 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/032248
WATER TREATMENT METHOD AND WATER TREATMENT APPARATUS Sep 14, 2021 Pending
Array ( [id] => 18725523 [patent_doc_number] => 20230339690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => IMPROVEMENTS IN OR IN RELATION TO SUGARCANE PROCESSING [patent_app_type] => utility [patent_app_number] => 18/024757 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18024757 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/024757
IMPROVEMENTS IN OR IN RELATION TO SUGARCANE PROCESSING Sep 7, 2021 Abandoned
Array ( [id] => 17460063 [patent_doc_number] => 20220073368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => MOBILE FILTRATION TECHNOLOGY [patent_app_type] => utility [patent_app_number] => 17/468497 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17468497 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/468497
Mobile filtration technology Sep 6, 2021 Issued
Array ( [id] => 19998248 [patent_doc_number] => 20250136470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => Flow-Through Filtration and Waste Separation Device [patent_app_type] => utility [patent_app_number] => 17/753266 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17753266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753266
Flow-through filtration and waste separation device Sep 6, 2021 Issued
Array ( [id] => 19440193 [patent_doc_number] => 12090421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Multiphase separation system [patent_app_type] => utility [patent_app_number] => 17/446869 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6289 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17446869 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/446869
Multiphase separation system Sep 2, 2021 Issued
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