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] => 17257213 [patent_doc_number] => 20210370198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => PURIFICATION AND EXTRACTION OF CANNABINOIDS [patent_app_type] => utility [patent_app_number] => 17/330504 [patent_app_country] => US [patent_app_date] => 2021-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4143 [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] => 17330504 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/330504
PURIFICATION AND EXTRACTION OF CANNABINOIDS May 25, 2021 Abandoned
Array ( [id] => 18854304 [patent_doc_number] => 11851868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Adjustably sized skimmer and associated system for use in manholes [patent_app_type] => utility [patent_app_number] => 17/327354 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 6092 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17327354 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/327354
Adjustably sized skimmer and associated system for use in manholes May 20, 2021 Issued
Array ( [id] => 20172862 [patent_doc_number] => 12391593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Water treatment method and water treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/928929 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 12409 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17928929 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/928929
Water treatment method and water treatment apparatus May 17, 2021 Issued
Array ( [id] => 18545470 [patent_doc_number] => 11718811 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Extracting essential oils [patent_app_type] => utility [patent_app_number] => 17/322460 [patent_app_country] => US [patent_app_date] => 2021-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6392 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17322460 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/322460
Extracting essential oils May 16, 2021 Issued
Array ( [id] => 18986818 [patent_doc_number] => 20240058787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => PROCESS, SYSTEM, AND APPARATUS FOR REDUCING ENVIRONMENTAL POLLUTANTS FROM A MOBILE PHASE [patent_app_type] => utility [patent_app_number] => 18/053831 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18053831 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/053831
PROCESS, SYSTEM, AND APPARATUS FOR REDUCING ENVIRONMENTAL POLLUTANTS FROM A MOBILE PHASE May 10, 2021 Pending
Array ( [id] => 18526274 [patent_doc_number] => 11713257 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Fluid filtration device [patent_app_type] => utility [patent_app_number] => 17/315464 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 24 [patent_no_of_words] => 4803 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17315464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/315464
Fluid filtration device May 9, 2021 Issued
Array ( [id] => 17035499 [patent_doc_number] => 20210252457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => METHOD AND APPARATUS FOR THE FILTRATION OF BIOLOGICAL SOLUTIONS [patent_app_type] => utility [patent_app_number] => 17/307689 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17307689 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/307689
Method and apparatus for the filtration of biological solutions May 3, 2021 Issued
Array ( [id] => 17199931 [patent_doc_number] => 20210340026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => Reverse Osmosis Prefilter System [patent_app_type] => utility [patent_app_number] => 17/245329 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3553 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17245329 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/245329
Reverse osmosis prefilter system Apr 29, 2021 Issued
Array ( [id] => 17686316 [patent_doc_number] => 20220193608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => THERMO-RESPONSIVE SOLUTION, AND METHOD OF USE THEREFOR [patent_app_type] => utility [patent_app_number] => 17/246440 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17246440 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/246440
Thermo-responsive solution, and method of use therefor Apr 29, 2021 Issued
Array ( [id] => 17005812 [patent_doc_number] => 20210236973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => REDUCTION OF LEACHABLE BETA-GLUCAN LEVELS FROM CELLULOSE-CONTAINING FILTER MATERIALS [patent_app_type] => utility [patent_app_number] => 17/235071 [patent_app_country] => US [patent_app_date] => 2021-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6620 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17235071 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/235071
Reduction of leachable beta-glucan levels from cellulose-containing filter materials Apr 19, 2021 Issued
Array ( [id] => 18334681 [patent_doc_number] => 20230126629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => MAGNETIC-FIELD GENERATOR FOR A CELL SHEET [patent_app_type] => utility [patent_app_number] => 17/995892 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17995892 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/995892
Magnetic-field generator for a cell sheet Apr 12, 2021 Issued
Array ( [id] => 16990580 [patent_doc_number] => 20210229000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => PROCESS AND METHOD FOR THE RECOVERY OF OIL FROM THE PROCESSING OF GRAINS INTO BIOFUELS AND OTHER CHEMICALS [patent_app_type] => utility [patent_app_number] => 17/229740 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17229740 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/229740
PROCESS AND METHOD FOR THE RECOVERY OF OIL FROM THE PROCESSING OF GRAINS INTO BIOFUELS AND OTHER CHEMICALS Apr 12, 2021 Abandoned
Array ( [id] => 17155178 [patent_doc_number] => 20210316229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => METHODS OF EXTRACTING CANNABINOIDS FROM CANNABIS INCLUDING FROM FRESH CANNABIS [patent_app_type] => utility [patent_app_number] => 17/228485 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4671 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 4 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17228485 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/228485
METHODS OF EXTRACTING CANNABINOIDS FROM CANNABIS INCLUDING FROM FRESH CANNABIS Apr 11, 2021 Abandoned
Array ( [id] => 16991600 [patent_doc_number] => 20210230020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => DESALTING APPARATUS USING SOLVENT AND THE METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/227581 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17227581 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/227581
Desalting apparatus using solvent and the method thereof Apr 11, 2021 Issued
Array ( [id] => 16990579 [patent_doc_number] => 20210228999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => TORUS REACTOR FOR A COMBINED CELL ISOLATOR AND BIOREACTOR [patent_app_type] => utility [patent_app_number] => 17/223744 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17223744 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/223744
Torus reactor for a combined cell isolator and bioreactor Apr 5, 2021 Issued
Array ( [id] => 17420362 [patent_doc_number] => 11253793 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-02-22 [patent_title] => Isolating components from plants [patent_app_type] => utility [patent_app_number] => 17/220717 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7405 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17220717 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/220717
Isolating components from plants Mar 31, 2021 Issued
Array ( [id] => 19969561 [patent_doc_number] => 12338152 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Boron removal device and boron removal method, and pure water production device and pure water production method [patent_app_type] => utility [patent_app_number] => 17/925052 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 977 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17925052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925052
Boron removal device and boron removal method, and pure water production device and pure water production method Mar 29, 2021 Issued
Array ( [id] => 20263012 [patent_doc_number] => 12433980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Optimising dialyser performance [patent_app_type] => utility [patent_app_number] => 17/916517 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4608 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17916517 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916517
Optimising dialyser performance Mar 29, 2021 Issued
Array ( [id] => 18418954 [patent_doc_number] => 20230173414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => SYSTEM FOR SEPARATING SUSPENDED SUBSTANCES FROM A LIQUID USING A CYCLONE FILTER-TYPE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/912538 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3348 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17912538 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912538
SYSTEM FOR SEPARATING SUSPENDED SUBSTANCES FROM A LIQUID USING A CYCLONE FILTER-TYPE ASSEMBLY Mar 21, 2021 Abandoned
Array ( [id] => 17110483 [patent_doc_number] => 20210291080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => PARTICLE SETTLING DEVICES [patent_app_type] => utility [patent_app_number] => 17/205858 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 43209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17205858 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/205858
Particle settling devices Mar 17, 2021 Issued
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