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] => 15270071 [patent_doc_number] => 20190383770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => SOLID STATE SEQUENCING DEVICES COMPRISING TWO DIMENSIONAL LAYER MATERIALS [patent_app_type] => utility [patent_app_number] => 16/479257 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26957 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16479257 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/479257
Solid state sequencing devices comprising two dimensional layer materials Nov 21, 2017 Issued
Array ( [id] => 15256383 [patent_doc_number] => 20190376925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => NUCLEIC ACID SEQUENCING DEVICE CONTAINING GRAPHENE [patent_app_type] => utility [patent_app_number] => 16/463195 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16463195 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/463195
NUCLEIC ACID SEQUENCING DEVICE CONTAINING GRAPHENE Nov 21, 2017 Abandoned
Array ( [id] => 15144661 [patent_doc_number] => 20190350808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => SAMPLE COLLECTION KIT FOR POSITIVE SAMPLE IDENTIFICATION [patent_app_type] => utility [patent_app_number] => 16/349787 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16349787 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/349787
SAMPLE COLLECTION KIT FOR POSITIVE SAMPLE IDENTIFICATION Nov 13, 2017 Abandoned
Array ( [id] => 12710830 [patent_doc_number] => 20180128776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-10 [patent_title] => ELECTROCHEMICAL DEPOSITION OF NANOWIRES ON NANOPARTICLES, LITHOGRAPHICAL PATTERNS AND ELECTRONIC DEVICES AND THEIR USE AS CHEMICAL SENSORS [patent_app_type] => utility [patent_app_number] => 15/807726 [patent_app_country] => US [patent_app_date] => 2017-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8241 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15807726 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/807726
Electrochemical deposition of nanowires on nanoparticles, lithographical patterns and electronic devices and their use as chemical sensors Nov 8, 2017 Issued
Array ( [id] => 14870731 [patent_doc_number] => 20190285607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-19 [patent_title] => Systems, Methods and Indicator Materials for Assessing Reduction State in Soils [patent_app_type] => utility [patent_app_number] => 16/340274 [patent_app_country] => US [patent_app_date] => 2017-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16340274 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/340274
Systems, methods and indicator materials for assessing reduction state in soils Oct 29, 2017 Issued
Array ( [id] => 12626931 [patent_doc_number] => 20180100807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-12 [patent_title] => COLOR-CHANGING ENVIRONMENTAL STIMULUS INDICATOR WITH REFERENCE OF VARIABLE APPEARANCE [patent_app_type] => utility [patent_app_number] => 15/723693 [patent_app_country] => US [patent_app_date] => 2017-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15723693 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/723693
Color-changing environmental stimulus indicator with reference of variable appearance Oct 2, 2017 Issued
Array ( [id] => 12588660 [patent_doc_number] => 20180088049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-29 [patent_title] => METHODS AND DEVICES FOR PHOTOMETRIC ANALYSIS [patent_app_type] => utility [patent_app_number] => 15/715165 [patent_app_country] => US [patent_app_date] => 2017-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5733 [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] => 15715165 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/715165
METHODS AND DEVICES FOR PHOTOMETRIC ANALYSIS Sep 25, 2017 Abandoned
Array ( [id] => 16907750 [patent_doc_number] => 11039765 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-22 [patent_title] => Smart pellet for sample testing [patent_app_type] => utility [patent_app_number] => 15/715558 [patent_app_country] => US [patent_app_date] => 2017-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 7211 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [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] => 15715558 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/715558
Smart pellet for sample testing Sep 25, 2017 Issued
Array ( [id] => 17394213 [patent_doc_number] => 11243220 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-08 [patent_title] => Injector manifold [patent_app_type] => utility [patent_app_number] => 15/710268 [patent_app_country] => US [patent_app_date] => 2017-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 3740 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15710268 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/710268
Injector manifold Sep 19, 2017 Issued
Array ( [id] => 12117400 [patent_doc_number] => 20180000986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'SYSTEMS FOR DRYING SHEETS OF DONOR-PROVIDED HUMAN TISSUE' [patent_app_type] => utility [patent_app_number] => 15/707796 [patent_app_country] => US [patent_app_date] => 2017-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 6983 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15707796 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/707796
Systems for drying sheets of donor-provided human tissue Sep 17, 2017 Issued
Array ( [id] => 13886069 [patent_doc_number] => 10195569 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Spin columns comprising poly(acid) membrane separation matrices, and methods of making and using the same [patent_app_type] => utility [patent_app_number] => 15/703892 [patent_app_country] => US [patent_app_date] => 2017-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 19022 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15703892 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/703892
Spin columns comprising poly(acid) membrane separation matrices, and methods of making and using the same Sep 12, 2017 Issued
Array ( [id] => 12241161 [patent_doc_number] => 20180074024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-15 [patent_title] => 'PIEZOELECTRIC SENSORS AND QUARTZ CRYSTAL MONITORS' [patent_app_type] => utility [patent_app_number] => 15/698762 [patent_app_country] => US [patent_app_date] => 2017-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 9675 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15698762 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/698762
Piezoelectric sensors and quartz crystal monitors Sep 7, 2017 Issued
Array ( [id] => 12585564 [patent_doc_number] => 20180087017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-29 [patent_title] => MEDICAL ANALYSIS DEVICE AND CELL ANALYSIS METHOD [patent_app_type] => utility [patent_app_number] => 15/693919 [patent_app_country] => US [patent_app_date] => 2017-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15693919 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/693919
Medical analysis device and cell analysis method Aug 31, 2017 Issued
Array ( [id] => 15756189 [patent_doc_number] => 10620198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-14 [patent_title] => Device platform for point of care testing [patent_app_type] => utility [patent_app_number] => 16/328475 [patent_app_country] => US [patent_app_date] => 2017-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 6971 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16328475 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/328475
Device platform for point of care testing Aug 28, 2017 Issued
Array ( [id] => 16459600 [patent_doc_number] => 10842928 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-24 [patent_title] => Adapter for blood dispensing [patent_app_type] => utility [patent_app_number] => 15/686178 [patent_app_country] => US [patent_app_date] => 2017-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6422 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15686178 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/686178
Adapter for blood dispensing Aug 24, 2017 Issued
Array ( [id] => 16413579 [patent_doc_number] => 10821443 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-03 [patent_title] => Liquid storage and release assembly and liquid storage and release chip [patent_app_type] => utility [patent_app_number] => 15/686070 [patent_app_country] => US [patent_app_date] => 2017-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 5765 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15686070 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/686070
Liquid storage and release assembly and liquid storage and release chip Aug 23, 2017 Issued
Array ( [id] => 12641937 [patent_doc_number] => 20180105810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-19 [patent_title] => SAMPLE EXTRACTION AND PREPARATION DEVICE [patent_app_type] => utility [patent_app_number] => 15/682675 [patent_app_country] => US [patent_app_date] => 2017-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7683 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15682675 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/682675
Sample extraction and preparation device Aug 21, 2017 Issued
Array ( [id] => 12093790 [patent_doc_number] => 20170350882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'GRAPHENE-BASED NANOSENSOR FOR IDENTIFYING TARGET ANALYTES' [patent_app_type] => utility [patent_app_number] => 15/682191 [patent_app_country] => US [patent_app_date] => 2017-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 86 [patent_figures_cnt] => 86 [patent_no_of_words] => 51214 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15682191 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/682191
GRAPHENE-BASED NANOSENSOR FOR IDENTIFYING TARGET ANALYTES Aug 20, 2017 Abandoned
Array ( [id] => 12117403 [patent_doc_number] => 20180000989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'DENSE HYDROGELS' [patent_app_type] => utility [patent_app_number] => 15/680581 [patent_app_country] => US [patent_app_date] => 2017-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 15968 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15680581 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/680581
DENSE HYDROGELS Aug 17, 2017 Abandoned
Array ( [id] => 18397965 [patent_doc_number] => 11660078 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Sample collection device [patent_app_type] => utility [patent_app_number] => 16/308616 [patent_app_country] => US [patent_app_date] => 2017-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4587 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16308616 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/308616
Sample collection device Aug 9, 2017 Issued
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