Search

Xiaoyun Xu

Examiner (ID: 19151, Phone: (571)270-5560 , Office: P/1797 )

Most Active Art Unit
1797
Art Unit(s)
1797, 1777
Total Applications
1455
Issued Applications
874
Pending Applications
101
Abandoned Applications
508

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19173671 [patent_doc_number] => 20240159645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => SYNTHETIC HUMAN CELL MIMIC PARTICLE FOR CYTOMETRIC OR COULTER DEVICE [patent_app_type] => utility [patent_app_number] => 18/417986 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417986
Synthetic human cell mimic particle for cytometric or coulter device Jan 18, 2024 Issued
Array ( [id] => 20175857 [patent_doc_number] => 12394612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Determination of antidepressants by mass spectrometry [patent_app_type] => utility [patent_app_number] => 18/543524 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6839 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18543524 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543524
Determination of antidepressants by mass spectrometry Dec 17, 2023 Issued
Array ( [id] => 19346574 [patent_doc_number] => 20240255537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SYSTEMS, DEVICES, AND METHODS FOR CELL PROCESSING [patent_app_type] => utility [patent_app_number] => 18/532621 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 50876 [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] => 18532621 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532621
SYSTEMS, DEVICES, AND METHODS FOR CELL PROCESSING Dec 6, 2023 Pending
Array ( [id] => 19116317 [patent_doc_number] => 20240128067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => FUNCTIONALIZED CALIBRANTS FOR SPECTROMETRY AND CHROMATOGRAPHY [patent_app_type] => utility [patent_app_number] => 18/529686 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18529686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/529686
FUNCTIONALIZED CALIBRANTS FOR SPECTROMETRY AND CHROMATOGRAPHY Dec 4, 2023 Pending
Array ( [id] => 19235045 [patent_doc_number] => 20240192239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => SAMPLE ANALYSIS DEVICE, SAMPLE ANALYSIS METHOD, PHARMACEUTICAL ANALYSIS DEVICE AND PHARMACEUTICAL ANALYSIS METHOD [patent_app_type] => utility [patent_app_number] => 18/517981 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18517981 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517981
SAMPLE ANALYSIS DEVICE, SAMPLE ANALYSIS METHOD, PHARMACEUTICAL ANALYSIS DEVICE AND PHARMACEUTICAL ANALYSIS METHOD Nov 21, 2023 Pending
Array ( [id] => 19333592 [patent_doc_number] => 20240248022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => APPARATUS AND METHODS FOR SAMPLE ACQUISITION [patent_app_type] => utility [patent_app_number] => 18/514204 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7769 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18514204 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514204
Apparatus and methods for sample acquisition Nov 19, 2023 Issued
Array ( [id] => 19218181 [patent_doc_number] => 20240182885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => CAPILLARY BARRIERS FOR STAGED LOADING OF MICROFLUIDIC DEVICES [patent_app_type] => utility [patent_app_number] => 18/388047 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6749 [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] => 18388047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388047
Capillary barriers for staged loading of microfluidic devices Nov 7, 2023 Issued
Array ( [id] => 18988069 [patent_doc_number] => 20240060038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => HYDROGEL PARTICLES AS FEEDER CELLS AND AS SYNTHETIC ANTIGEN PRESENTING CELLS [patent_app_type] => utility [patent_app_number] => 18/386107 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23560 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18386107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386107
Hydrogel particles as feeder cells and as synthetic antigen presenting cells Oct 31, 2023 Issued
Array ( [id] => 19143504 [patent_doc_number] => 20240142374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Gas Flow Chamber Device and Method of ATR Infrared Spectroscopy for Monitoring Chemical Reactions in Controlled Environments [patent_app_type] => utility [patent_app_number] => 18/498342 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18498342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498342
Gas Flow Chamber Device and Method of ATR Infrared Spectroscopy for Monitoring Chemical Reactions in Controlled Environments Oct 30, 2023 Pending
Array ( [id] => 18988926 [patent_doc_number] => 20240060895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => LIGHT ENERGY FLUORESCENCE EXCITATION [patent_app_type] => utility [patent_app_number] => 18/496681 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12596 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18496681 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/496681
Light energy fluorescence excitation Oct 26, 2023 Issued
Array ( [id] => 19999713 [patent_doc_number] => 20250137935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => METHOD FOR ASSESSING QUALITY OF AMINE-BASED SHALE INHIBITORS [patent_app_type] => utility [patent_app_number] => 18/495188 [patent_app_country] => US [patent_app_date] => 2023-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18495188 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/495188
METHOD FOR ASSESSING QUALITY OF AMINE-BASED SHALE INHIBITORS Oct 25, 2023 Pending
Array ( [id] => 19116321 [patent_doc_number] => 20240128071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => INLET INSTRUMENTATION FOR ION ANALYSER COUPLED TO RAPID EVAPORATIVE IONISATION MASS SPECTROMETRY ("REIMS") DEVICE [patent_app_type] => utility [patent_app_number] => 18/491399 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 51799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18491399 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/491399
INLET INSTRUMENTATION FOR ION ANALYSER COUPLED TO RAPID EVAPORATIVE IONISATION MASS SPECTROMETRY ("REIMS") DEVICE Oct 19, 2023 Abandoned
Array ( [id] => 20433848 [patent_doc_number] => 12504375 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Method for monitoring and control of a wastewater process stream [patent_app_type] => utility [patent_app_number] => 18/380961 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380961 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380961
Method for monitoring and control of a wastewater process stream Oct 16, 2023 Issued
Array ( [id] => 18972146 [patent_doc_number] => 20240052238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => CONDENSED POLYCYCLIC CONJUGATED POLYMERS AND THEIR USE FOR BIOLOGICAL DETECTION [patent_app_type] => utility [patent_app_number] => 18/487393 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18487393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487393
Condensed polycyclic conjugated polymers and their use for biological detection Oct 15, 2023 Issued
Array ( [id] => 18903886 [patent_doc_number] => 20240019371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => IMAGING SYSTEM AND METHOD OF OPERATION [patent_app_type] => utility [patent_app_number] => 18/477975 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18477975 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/477975
IMAGING SYSTEM AND METHOD OF OPERATION Sep 28, 2023 Pending
Array ( [id] => 19173797 [patent_doc_number] => 20240159771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => SIMPLIFIED BIOSAMPLE PROCESSING FOR LC-MS/MS [patent_app_type] => utility [patent_app_number] => 18/477728 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18477728 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/477728
SIMPLIFIED BIOSAMPLE PROCESSING FOR LC-MS/MS Sep 28, 2023 Abandoned
Array ( [id] => 19027427 [patent_doc_number] => 11926774 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-03-12 [patent_title] => Hydrogen-bonded organic framework nanosheet, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 18/474008 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 5088 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18474008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474008
Hydrogen-bonded organic framework nanosheet, preparation method and application thereof Sep 24, 2023 Issued
Array ( [id] => 18896471 [patent_doc_number] => 20240011956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => System and Method for Background Removal in Spectrometry System [patent_app_type] => utility [patent_app_number] => 18/471497 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9573 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18471497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471497
System and Method for Background Removal in Spectrometry System Sep 20, 2023 Abandoned
Array ( [id] => 20213838 [patent_doc_number] => 12410482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Methylation markers and targeted methylation probe panel [patent_app_type] => utility [patent_app_number] => 18/471025 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 49 [patent_no_of_words] => 37272 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471025
Methylation markers and targeted methylation probe panel Sep 19, 2023 Issued
Array ( [id] => 20130196 [patent_doc_number] => 12372503 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Multifunctional magnetic tags for mud logging [patent_app_type] => utility [patent_app_number] => 18/465669 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 2115 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18465669 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465669
Multifunctional magnetic tags for mud logging Sep 11, 2023 Issued
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