Search

Cai Y. Chen

Examiner (ID: 4729, Phone: (571)270-5679 , Office: P/2425 )

Most Active Art Unit
2425
Art Unit(s)
2425
Total Applications
998
Issued Applications
757
Pending Applications
44
Abandoned Applications
220

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17906528 [patent_doc_number] => 11460377 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Device for microscopic sample collection [patent_app_type] => utility [patent_app_number] => 16/821335 [patent_app_country] => US [patent_app_date] => 2020-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6251 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16821335 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/821335
Device for microscopic sample collection Mar 16, 2020 Issued
Array ( [id] => 18427938 [patent_doc_number] => 11673140 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Sample collection and processing device [patent_app_type] => utility [patent_app_number] => 16/818715 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4351 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16818715 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/818715
Sample collection and processing device Mar 12, 2020 Issued
Array ( [id] => 17596896 [patent_doc_number] => 20220146470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => METHOD FOR THE DETECTION AND QUANTIFICATION OF FOSMOMYCIN, IMPURITIES AND DEGRADATION PRODUCTS THEREOF [patent_app_type] => utility [patent_app_number] => 17/441551 [patent_app_country] => US [patent_app_date] => 2020-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9192 [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] => 17441551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/441551
Method for the detection and quantification of fosfomycin, impurities and degradation products thereof Mar 9, 2020 Issued
Array ( [id] => 19367192 [patent_doc_number] => 12059251 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Graphene-based nanosensor for identifying target analytes [patent_app_type] => utility [patent_app_number] => 16/810183 [patent_app_country] => US [patent_app_date] => 2020-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 100 [patent_figures_cnt] => 198 [patent_no_of_words] => 53858 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16810183 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/810183
Graphene-based nanosensor for identifying target analytes Mar 4, 2020 Issued
Array ( [id] => 19970689 [patent_doc_number] => 12339292 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Automatic analyzer [patent_app_type] => utility [patent_app_number] => 17/596247 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596247 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596247
Automatic analyzer Feb 24, 2020 Issued
Array ( [id] => 17640988 [patent_doc_number] => 20220168726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => PIPETTE TIP CONTAINING ONE OR MORE BARRIERS [patent_app_type] => utility [patent_app_number] => 17/434881 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3174 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17434881 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/434881
Pipette tip containing one or more barriers Feb 19, 2020 Issued
Array ( [id] => 16326950 [patent_doc_number] => 20200297915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => NASAL IRRIGATION DIAGNOSTIC ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/796545 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5726 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796545 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796545
NASAL IRRIGATION DIAGNOSTIC ASSEMBLY Feb 19, 2020 Abandoned
Array ( [id] => 18328520 [patent_doc_number] => 11633741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Slide chamber [patent_app_type] => utility [patent_app_number] => 16/794937 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2194 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16794937 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/794937
Slide chamber Feb 18, 2020 Issued
Array ( [id] => 16296673 [patent_doc_number] => 20200282396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => MICRO-BIOELECTROCHEMICAL CELL DEVICES AND METHODS OF DETECTING ELECTRON FLOWS [patent_app_type] => utility [patent_app_number] => 16/776496 [patent_app_country] => US [patent_app_date] => 2020-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16776496 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/776496
Micro-bioelectrochemical cell devices and methods of detecting electron flows Jan 28, 2020 Issued
Array ( [id] => 16207912 [patent_doc_number] => 20200240902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => Flow cell device and bioreactor product monitoring system and method [patent_app_type] => utility [patent_app_number] => 16/751895 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16751895 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/751895
Flow cell device and bioreactor product monitoring system and method Jan 23, 2020 Issued
Array ( [id] => 17133344 [patent_doc_number] => 11134875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-05 [patent_title] => Blood sample management using open cell foam [patent_app_type] => utility [patent_app_number] => 16/747243 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 39 [patent_no_of_words] => 11021 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 16747243 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/747243
Blood sample management using open cell foam Jan 19, 2020 Issued
Array ( [id] => 19882692 [patent_doc_number] => 12268371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Device and method for saliva-based analyte testing [patent_app_type] => utility [patent_app_number] => 17/421296 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 5564 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17421296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421296
Device and method for saliva-based analyte testing Jan 9, 2020 Issued
Array ( [id] => 18603733 [patent_doc_number] => 11745177 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Ultrasound lysing of whole blood [patent_app_type] => utility [patent_app_number] => 16/738915 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2467 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16738915 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/738915
Ultrasound lysing of whole blood Jan 8, 2020 Issued
Array ( [id] => 16054099 [patent_doc_number] => 20200188904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => COVER MEMBER, METHOD AND TREATMENT MODULE FOR TREATING A BIOLOGICAL SAMPLE ON A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 16/733935 [patent_app_country] => US [patent_app_date] => 2020-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14019 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16733935 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/733935
Cover member, method and treatment module for treating a biological sample on a substrate Jan 2, 2020 Issued
Array ( [id] => 17444075 [patent_doc_number] => 20220064580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => CELL PROCESSING DEVICE CELL PROCESSING SYSTEM AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/419196 [patent_app_country] => US [patent_app_date] => 2020-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22845 [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] => 17419196 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/419196
CELL PROCESSING DEVICE CELL PROCESSING SYSTEM AND METHODS OF USE THEREOF Jan 2, 2020 Abandoned
Array ( [id] => 16719028 [patent_doc_number] => 20210086175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => OBSERVATION DEVICE AND THE OBSERVATION CARRIER THEREOF [patent_app_type] => utility [patent_app_number] => 16/724406 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16724406 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/724406
OBSERVATION DEVICE AND THE OBSERVATION CARRIER THEREOF Dec 22, 2019 Abandoned
Array ( [id] => 16087881 [patent_doc_number] => 20200197927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => METHOD AND SYSTEM FOR HEATING AND TEMPERATURE MEASUREMENT USING PATTERNED THIN FILMS [patent_app_type] => utility [patent_app_number] => 16/719289 [patent_app_country] => US [patent_app_date] => 2019-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16427 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16719289 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/719289
Method and system for heating and temperature measurement using patterned thin films Dec 17, 2019 Issued
Array ( [id] => 15742325 [patent_doc_number] => 20200110051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => GAS SENSORS [patent_app_type] => utility [patent_app_number] => 16/709811 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16709811 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/709811
Gas sensors Dec 9, 2019 Issued
Array ( [id] => 15742271 [patent_doc_number] => 20200110024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => MODULAR ILLUMINATION AND SENSOR CHAMBER [patent_app_type] => utility [patent_app_number] => 16/706572 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10773 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16706572 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/706572
MODULAR ILLUMINATION AND SENSOR CHAMBER Dec 5, 2019 Abandoned
Array ( [id] => 17534624 [patent_doc_number] => 20220113233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => PARTICLE CAPTURE DEVICE, PARTICLE CAPTURE METHOD, AND MICROSCOPE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/424214 [patent_app_country] => US [patent_app_date] => 2019-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424214
PARTICLE CAPTURE DEVICE, PARTICLE CAPTURE METHOD, AND MICROSCOPE SYSTEM Dec 3, 2019 Abandoned
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