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] => 17828937 [patent_doc_number] => 20220266241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => PLASMA SEPARATION AND SAMPLE METERING DEVICE AND KITS AND METHODS OF USE RELATED THERETO [patent_app_type] => utility [patent_app_number] => 17/617881 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17617881 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/617881
Plasma separation and sample metering device and kits and methods of use related thereto Jun 4, 2020 Issued
Array ( [id] => 17762686 [patent_doc_number] => 20220236298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => INTERFACE FOR THE SYSTEM OF SAMPLING, PREPARATION, AND ANALYSIS OF A SAMPLE, ESPECIALLY BY CAPILLARY ELECTROPHORESIS [patent_app_type] => utility [patent_app_number] => 17/596171 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596171 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596171
INTERFACE FOR THE SYSTEM OF SAMPLING, PREPARATION, AND ANALYSIS OF A SAMPLE, ESPECIALLY BY CAPILLARY ELECTROPHORESIS Jun 4, 2020 Pending
Array ( [id] => 17749990 [patent_doc_number] => 20220228195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => SAMPLE COLLECTION METHODS AND DEVICES [patent_app_type] => utility [patent_app_number] => 17/616650 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -55 [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] => 17616650 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/616650
SAMPLE COLLECTION METHODS AND DEVICES Jun 4, 2020 Pending
Array ( [id] => 18916031 [patent_doc_number] => 11878297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Fluid specimen testing [patent_app_type] => utility [patent_app_number] => 16/892114 [patent_app_country] => US [patent_app_date] => 2020-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 14804 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16892114 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/892114
Fluid specimen testing Jun 2, 2020 Issued
Array ( [id] => 16415863 [patent_doc_number] => 10823746 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-03 [patent_title] => Lateral flow immunoassay test reader and method of use [patent_app_type] => utility [patent_app_number] => 16/885436 [patent_app_country] => US [patent_app_date] => 2020-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 51 [patent_no_of_words] => 12629 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16885436 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/885436
Lateral flow immunoassay test reader and method of use May 27, 2020 Issued
Array ( [id] => 19225807 [patent_doc_number] => 12005437 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Two-phase flushing systems and methods [patent_app_type] => utility [patent_app_number] => 16/884852 [patent_app_country] => US [patent_app_date] => 2020-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 10102 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16884852 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/884852
Two-phase flushing systems and methods May 26, 2020 Issued
Array ( [id] => 17898305 [patent_doc_number] => 20220307967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => AUTOMATIC SPORE TRAP [patent_app_type] => utility [patent_app_number] => 17/619864 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2139 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17619864 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/619864
AUTOMATIC SPORE TRAP May 21, 2020 Abandoned
Array ( [id] => 17227568 [patent_doc_number] => 20210354124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => SPECIMEN COLLECTION TUBE SYSTEM AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 16/877013 [patent_app_country] => US [patent_app_date] => 2020-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16877013 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/877013
SPECIMEN COLLECTION TUBE SYSTEM AND METHOD OF USE May 17, 2020 Abandoned
Array ( [id] => 17594023 [patent_doc_number] => 20220143596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => ROTARY PLATFORM FOR CELL LYSING AND PURIFICATION AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 17/595802 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17595802 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/595802
Rotary platform for cell lysing and purification and method of use May 7, 2020 Issued
Array ( [id] => 17911820 [patent_doc_number] => 20220314215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => VERTICALLY LAYERED FLUID COLUMNS [patent_app_type] => utility [patent_app_number] => 17/642265 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11614 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17642265 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/642265
VERTICALLY LAYERED FLUID COLUMNS May 7, 2020 Abandoned
Array ( [id] => 17881638 [patent_doc_number] => 20220297115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => FLUID PREPARATION DEVICES [patent_app_type] => utility [patent_app_number] => 17/642279 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17642279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/642279
FLUID PREPARATION DEVICES May 7, 2020 Abandoned
Array ( [id] => 16329885 [patent_doc_number] => 20200300851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => DYNAMIC RESONANT CIRCUITS FOR CHEMICAL AND PHYSICAL SENSING WITH A READER AND RFID TAGS [patent_app_type] => utility [patent_app_number] => 16/869534 [patent_app_country] => US [patent_app_date] => 2020-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16869534 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/869534
Dynamic resonant circuits for chemical and physical sensing with a reader and RFID tags May 6, 2020 Issued
Array ( [id] => 20202439 [patent_doc_number] => 12405216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Rapid pathology/cytology without wash [patent_app_type] => utility [patent_app_number] => 17/606973 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 18220 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606973 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606973
Rapid pathology/cytology without wash Apr 27, 2020 Issued
Array ( [id] => 17750749 [patent_doc_number] => 20220228954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => SAMPLING SYSTEM WITH A REPLACEABLE CASSETTE ASSEMBLY AND METHODS OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/609144 [patent_app_country] => US [patent_app_date] => 2020-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6152 [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] => 17609144 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/609144
Sampling system with a replaceable cassette assembly and methods of using the same Apr 26, 2020 Issued
Array ( [id] => 18273462 [patent_doc_number] => 11612382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Female urinary diagnostic device [patent_app_type] => utility [patent_app_number] => 16/857489 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 39 [patent_no_of_words] => 10784 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16857489 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/857489
Female urinary diagnostic device Apr 23, 2020 Issued
Array ( [id] => 17883964 [patent_doc_number] => 20220299441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => DETECTION METHOD AND DETECTION SYSTEM USING SUSPENSION LIQUID BIOCHIP [patent_app_type] => utility [patent_app_number] => 17/605842 [patent_app_country] => US [patent_app_date] => 2020-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5225 [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] => 17605842 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/605842
Detection method and detection system using suspension liquid biochip Apr 21, 2020 Issued
Array ( [id] => 16221675 [patent_doc_number] => 20200246791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => REMOVING AND REINSERTING PROTEIN NANOPORES IN A MEMBRANE USING OSMOTIC IMBALANCE [patent_app_type] => utility [patent_app_number] => 16/853624 [patent_app_country] => US [patent_app_date] => 2020-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16853624 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/853624
Removing and reinserting protein nanopores in a membrane using osmotic imbalance Apr 19, 2020 Issued
Array ( [id] => 17762638 [patent_doc_number] => 20220236250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => DUAL PORE SENSORS [patent_app_type] => utility [patent_app_number] => 17/617153 [patent_app_country] => US [patent_app_date] => 2020-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17617153 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/617153
DUAL PORE SENSORS Apr 14, 2020 Abandoned
Array ( [id] => 16175929 [patent_doc_number] => 20200222897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => IN-SITU ANALYZER FOR NUTRITIVE SALT AND NUTRITIVE SALT CONTENT ANALYSIS METHOD [patent_app_type] => utility [patent_app_number] => 16/835332 [patent_app_country] => US [patent_app_date] => 2020-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16835332 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/835332
IN-SITU ANALYZER FOR NUTRITIVE SALT AND NUTRITIVE SALT CONTENT ANALYSIS METHOD Mar 30, 2020 Abandoned
Array ( [id] => 18014290 [patent_doc_number] => 11506579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Assembly for forming microchamber for inverted substrate [patent_app_type] => utility [patent_app_number] => 16/827294 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 38 [patent_no_of_words] => 8235 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16827294 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/827294
Assembly for forming microchamber for inverted substrate Mar 22, 2020 Issued
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