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] => 16900533 [patent_doc_number] => 20210179449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => Modified Activated Carbon and Methods of Using Same [patent_app_type] => utility [patent_app_number] => 17/268448 [patent_app_country] => US [patent_app_date] => 2019-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17268448 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268448
Modified activated carbon and methods of using same Aug 13, 2019 Issued
Array ( [id] => 17704346 [patent_doc_number] => 20220204352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => SYSTEM AND METHOD FOR PREPARING ULTRAFINE SILICA BY LEACHING SILICATE ORE USING HYDROGEN CHLORIDE GAS [patent_app_type] => utility [patent_app_number] => 17/602407 [patent_app_country] => US [patent_app_date] => 2019-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17602407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/602407
System and method for preparing ultrafine silica by leaching silicate ore using hydrogen chloride gas Aug 11, 2019 Issued
Array ( [id] => 16641951 [patent_doc_number] => 10919784 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-16 [patent_title] => Iron-based desalination [patent_app_type] => utility [patent_app_number] => 16/536909 [patent_app_country] => US [patent_app_date] => 2019-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 9998 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16536909 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/536909
Iron-based desalination Aug 8, 2019 Issued
Array ( [id] => 17435012 [patent_doc_number] => 11260319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Solid phase extraction method using micro device [patent_app_type] => utility [patent_app_number] => 16/767830 [patent_app_country] => US [patent_app_date] => 2019-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 6061 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16767830 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/767830
Solid phase extraction method using micro device Aug 6, 2019 Issued
Array ( [id] => 17512813 [patent_doc_number] => 11291933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Filters [patent_app_type] => utility [patent_app_number] => 16/532326 [patent_app_country] => US [patent_app_date] => 2019-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 5154 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16532326 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/532326
Filters Aug 4, 2019 Issued
Array ( [id] => 15147593 [patent_doc_number] => 20190352274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => FIBER CONDUIT REACTOR WITH A HEAT EXCHANGE MEDIUM INLET AND A HEAT EXCHANGE MEDIUM OUTLET [patent_app_type] => utility [patent_app_number] => 16/532199 [patent_app_country] => US [patent_app_date] => 2019-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7726 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16532199 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/532199
Fiber conduit reactor with a heat exchange medium inlet and a heat exchange medium outlet Aug 4, 2019 Issued
Array ( [id] => 15119137 [patent_doc_number] => 20190346201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => WATER PURIFIER AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/519293 [patent_app_country] => US [patent_app_date] => 2019-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16519293 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/519293
Liquid purifier and control method thereof Jul 22, 2019 Issued
Array ( [id] => 16695735 [patent_doc_number] => 10946307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Extraction of cannabinoids, curcuminoids and ginsenosides [patent_app_type] => utility [patent_app_number] => 16/510206 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1217 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16510206 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/510206
Extraction of cannabinoids, curcuminoids and ginsenosides Jul 11, 2019 Issued
Array ( [id] => 16695736 [patent_doc_number] => 10946308 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Enzymatic method for extraction and purification of phytocannabinoids [patent_app_type] => utility [patent_app_number] => 16/510245 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 670 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16510245 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/510245
Enzymatic method for extraction and purification of phytocannabinoids Jul 11, 2019 Issued
Array ( [id] => 19310692 [patent_doc_number] => 12036486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Packing material for ion chromatography and production method therefor [patent_app_type] => utility [patent_app_number] => 17/268623 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6223 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17268623 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268623
Packing material for ion chromatography and production method therefor Jul 10, 2019 Issued
Array ( [id] => 16570438 [patent_doc_number] => 20210009444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => Use of Tertiary Treated Sewage Effluent Sterilized With Ionizing Radiation in Upstream Well Applications [patent_app_type] => utility [patent_app_number] => 16/507819 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16507819 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/507819
Use of Tertiary Treated Sewage Effluent Sterilized With Ionizing Radiation in Upstream Well Applications Jul 9, 2019 Abandoned
Array ( [id] => 15928245 [patent_doc_number] => 20200155756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => Portable Dialysis Machine with Improved Reservoir Heating System [patent_app_type] => utility [patent_app_number] => 16/455798 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 63996 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16455798 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/455798
Methods for heating a reservoir unit in a dialysis system Jun 27, 2019 Issued
Array ( [id] => 16548640 [patent_doc_number] => 10881779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Apparatus for extracorporeal blood treatment [patent_app_type] => utility [patent_app_number] => 16/448128 [patent_app_country] => US [patent_app_date] => 2019-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9846 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16448128 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/448128
Apparatus for extracorporeal blood treatment Jun 20, 2019 Issued
Array ( [id] => 16304150 [patent_doc_number] => 10772921 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-09-15 [patent_title] => Device for high pressure spray and counter-current precipitation extraction of herbal medicine and a method for extracting herbal medicine using the same [patent_app_type] => utility [patent_app_number] => 16/448510 [patent_app_country] => US [patent_app_date] => 2019-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3448 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 398 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16448510 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/448510
Device for high pressure spray and counter-current precipitation extraction of herbal medicine and a method for extracting herbal medicine using the same Jun 20, 2019 Issued
Array ( [id] => 16876933 [patent_doc_number] => 11027053 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-08 [patent_title] => Method for pairing a dialysis machine with peripheral devices [patent_app_type] => utility [patent_app_number] => 16/436346 [patent_app_country] => US [patent_app_date] => 2019-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 7564 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16436346 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/436346
Method for pairing a dialysis machine with peripheral devices Jun 9, 2019 Issued
Array ( [id] => 16991598 [patent_doc_number] => 20210230018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => WASTE WATER MANAGEMENT [patent_app_type] => utility [patent_app_number] => 15/734817 [patent_app_country] => US [patent_app_date] => 2019-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 15734817 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734817
Waste water management Jun 2, 2019 Issued
Array ( [id] => 14838631 [patent_doc_number] => 20190277716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => Pressure Measurement Devices, Methods, and Systems [patent_app_type] => utility [patent_app_number] => 16/420249 [patent_app_country] => US [patent_app_date] => 2019-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16420249 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/420249
Pressure measurement devices, methods, and systems May 22, 2019 Issued
Array ( [id] => 18492214 [patent_doc_number] => 11697624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Nutrient extraction and recovery device for isolation and separation of target products from animal produced waste streams [patent_app_type] => utility [patent_app_number] => 16/419334 [patent_app_country] => US [patent_app_date] => 2019-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6026 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16419334 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/419334
Nutrient extraction and recovery device for isolation and separation of target products from animal produced waste streams May 21, 2019 Issued
Array ( [id] => 15145743 [patent_doc_number] => 20190351349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => OIL LEACHING AND EXTRACTION ASSEMBLY CAPABLE OF REPEATED SEPARATION [patent_app_type] => utility [patent_app_number] => 16/413732 [patent_app_country] => US [patent_app_date] => 2019-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4314 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16413732 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/413732
OIL LEACHING AND EXTRACTION ASSEMBLY CAPABLE OF REPEATED SEPARATION May 15, 2019 Abandoned
Array ( [id] => 19121248 [patent_doc_number] => 11965219 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Process and apparatus for reduction in microbial growth in solutions of sugars extracted from waste materials [patent_app_type] => utility [patent_app_number] => 17/055703 [patent_app_country] => US [patent_app_date] => 2019-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5363 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17055703 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/055703
Process and apparatus for reduction in microbial growth in solutions of sugars extracted from waste materials May 13, 2019 Issued
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