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] => 17110564 [patent_doc_number] => 20210291161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => DEVICE AND METHOD FOR REPEATEDLY MODIFYING THE COMPOSITION OF A FLUID [patent_app_type] => utility [patent_app_number] => 17/339891 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8404 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17339891 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/339891
Device and method for repeatedly modifying the composition of a fluid Jun 3, 2021 Issued
Array ( [id] => 18035087 [patent_doc_number] => 20220379302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => NEEDLE-LESS ACCESS VIAL AND CAP FOR THE ASEPTIC SAMPLING AND STORAGE OF LIQUIDS [patent_app_type] => utility [patent_app_number] => 17/335737 [patent_app_country] => US [patent_app_date] => 2021-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17335737 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/335737
Needle-less access vial and cap for the aseptic sampling and storage of liquids May 31, 2021 Issued
Array ( [id] => 18531076 [patent_doc_number] => 20230236147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => SENSORS AND SYSTEMS BASED ON FIELD-EFFECT TRANSISTORS, METHODS OF PREPARATION AND DEVICES FOR THEIR OPERATION [patent_app_type] => utility [patent_app_number] => 17/927841 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13268 [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] => 17927841 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/927841
SENSORS AND SYSTEMS BASED ON FIELD-EFFECT TRANSISTORS, METHODS OF PREPARATION AND DEVICES FOR THEIR OPERATION May 26, 2021 Pending
Array ( [id] => 17542047 [patent_doc_number] => 11307164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Lateral flow assay with controlled conjugate time and controlled flow time [patent_app_type] => utility [patent_app_number] => 17/332989 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 53 [patent_no_of_words] => 55679 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17332989 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/332989
Lateral flow assay with controlled conjugate time and controlled flow time May 26, 2021 Issued
Array ( [id] => 17243771 [patent_doc_number] => 20210363514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => SYRINGE-TYPE NUCLEIC ACID EXTRACTION APPARATUS, NUCLEIC ACID EXTRACTION KIT AND NUCLEIC ACID EXTRACTION METHOD THEREWITH [patent_app_type] => utility [patent_app_number] => 17/323604 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17323604 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323604
SYRINGE-TYPE NUCLEIC ACID EXTRACTION APPARATUS, NUCLEIC ACID EXTRACTION KIT AND NUCLEIC ACID EXTRACTION METHOD THEREWITH May 17, 2021 Abandoned
Array ( [id] => 18947344 [patent_doc_number] => 11890619 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Sample and reagent containers with anti-vacuum feature [patent_app_type] => utility [patent_app_number] => 17/308392 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 46 [patent_no_of_words] => 11275 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [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] => 17308392 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/308392
Sample and reagent containers with anti-vacuum feature May 4, 2021 Issued
Array ( [id] => 18538624 [patent_doc_number] => 20230243727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => METHOD OF DETERMINING WHETHER A HOST HAS AN INFECTION [patent_app_type] => utility [patent_app_number] => 17/997225 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17997225 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/997225
METHOD OF DETERMINING WHETHER A HOST HAS AN INFECTION Apr 29, 2021 Pending
Array ( [id] => 17155260 [patent_doc_number] => 20210316311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => FLUIDIC DEVICE AND METHOD FOR PREPARING A SAMPLE SUBSTRATE [patent_app_type] => utility [patent_app_number] => 17/244199 [patent_app_country] => US [patent_app_date] => 2021-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17244199 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/244199
Fluidic device and method for preparing a sample substrate Apr 28, 2021 Issued
Array ( [id] => 19898023 [patent_doc_number] => 12275932 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => TFT-based cell isolation device and cell manipulation panel thereof [patent_app_type] => utility [patent_app_number] => 17/242749 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 30 [patent_no_of_words] => 5531 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 626 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17242749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/242749
TFT-based cell isolation device and cell manipulation panel thereof Apr 27, 2021 Issued
Array ( [id] => 17162046 [patent_doc_number] => 11148131 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-10-19 [patent_title] => Dropper [patent_app_type] => utility [patent_app_number] => 17/233222 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2082 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17233222 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/233222
Dropper Apr 15, 2021 Issued
Array ( [id] => 18818790 [patent_doc_number] => 20230393130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => ASSAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/784173 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20068 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17784173 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/784173
ASSAY DEVICE Apr 7, 2021 Pending
Array ( [id] => 17143043 [patent_doc_number] => 20210311056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => SELF-ADMINISTERED INFECTION TESTING AND RESULT DETERMINATION [patent_app_type] => utility [patent_app_number] => 17/220875 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17220875 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/220875
SELF-ADMINISTERED INFECTION TESTING AND RESULT DETERMINATION Mar 31, 2021 Abandoned
Array ( [id] => 19165005 [patent_doc_number] => 11980887 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Extraction cell for extracting a sample [patent_app_type] => utility [patent_app_number] => 17/213595 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4128 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17213595 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/213595
Extraction cell for extracting a sample Mar 25, 2021 Issued
Array ( [id] => 17200500 [patent_doc_number] => 20210340595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => Blood Sample Processing and Nucleic Acid Amplification Systems, Devices, and Methods [patent_app_type] => utility [patent_app_number] => 17/210083 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14386 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17210083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/210083
Blood Sample Processing and Nucleic Acid Amplification Systems, Devices, and Methods Mar 22, 2021 Pending
Array ( [id] => 19412824 [patent_doc_number] => 12078637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Apparatus and method for analyzing platelet aggregation [patent_app_type] => utility [patent_app_number] => 17/203030 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7601 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17203030 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/203030
Apparatus and method for analyzing platelet aggregation Mar 15, 2021 Issued
Array ( [id] => 18390282 [patent_doc_number] => 20230158500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => ARRAY SUBSTRATE, MICROFLUIDIC DEVICE, MICROFLUIDIC SYSTEM, AND FLUORESCENCE DETECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/753161 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17753161 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753161
ARRAY SUBSTRATE, MICROFLUIDIC DEVICE, MICROFLUIDIC SYSTEM, AND FLUORESCENCE DETECTION METHOD Mar 11, 2021 Pending
Array ( [id] => 18116020 [patent_doc_number] => 11547392 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Method of collecting and preserving a biological sample [patent_app_type] => utility [patent_app_number] => 17/178918 [patent_app_country] => US [patent_app_date] => 2021-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 14 [patent_no_of_words] => 6295 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 518 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17178918 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/178918
Method of collecting and preserving a biological sample Feb 17, 2021 Issued
Array ( [id] => 17034258 [patent_doc_number] => 20210251216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => SYSTEM FOR AUTOMATED PERMEATION OF A BIOLOGICAL MATERIAL AND METHOD OF USING SAME [patent_app_type] => utility [patent_app_number] => 17/174638 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5466 [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] => 17174638 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/174638
System for automated permeation of a biological material and method of using same Feb 11, 2021 Issued
Array ( [id] => 20187254 [patent_doc_number] => 12398361 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Program for operating cell culture support apparatus, cell culture support apparatus, and method for operating cell culture support apparatus [patent_app_type] => utility [patent_app_number] => 17/172779 [patent_app_country] => US [patent_app_date] => 2021-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 5886 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 522 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17172779 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/172779
Program for operating cell culture support apparatus, cell culture support apparatus, and method for operating cell culture support apparatus Feb 9, 2021 Issued
Array ( [id] => 18181236 [patent_doc_number] => 20230041965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => CULTURE DEVICE CONTAINING OXYGEN SENSITIVE LUMINOPHORE AND METHODS OF USING [patent_app_type] => utility [patent_app_number] => 17/758719 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17758719 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758719
CULTURE DEVICE CONTAINING OXYGEN SENSITIVE LUMINOPHORE AND METHODS OF USING Feb 7, 2021 Pending
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