
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |