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] => 19666468 [patent_doc_number] => 12179190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Systems and methods for biochemical analysis including a base instrument and a removable cartridge [patent_app_type] => utility [patent_app_number] => 18/087499 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 71 [patent_figures_cnt] => 98 [patent_no_of_words] => 34845 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18087499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/087499
Systems and methods for biochemical analysis including a base instrument and a removable cartridge Dec 21, 2022 Issued
Array ( [id] => 19120319 [patent_doc_number] => 11964282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => False bottom specimen transport tube [patent_app_type] => utility [patent_app_number] => 18/066666 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1360 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18066666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/066666
False bottom specimen transport tube Dec 14, 2022 Issued
Array ( [id] => 18453142 [patent_doc_number] => 20230194422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => CHEMICAL LIQUID SUPPLY UNIT, SUBSTRATE PROCESSING SYSTEM USING THE SAME, AND CHEMICAL LIQUID SUPPLY METHOD [patent_app_type] => utility [patent_app_number] => 18/080552 [patent_app_country] => US [patent_app_date] => 2022-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6390 [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] => 18080552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/080552
CHEMICAL LIQUID SUPPLY UNIT, SUBSTRATE PROCESSING SYSTEM USING THE SAME, AND CHEMICAL LIQUID SUPPLY METHOD Dec 12, 2022 Pending
Array ( [id] => 18523389 [patent_doc_number] => 20230234044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => TEST DEVICE FOR NUCLEIC ACID [patent_app_type] => utility [patent_app_number] => 17/994234 [patent_app_country] => US [patent_app_date] => 2022-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17994234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/994234
TEST DEVICE FOR NUCLEIC ACID Nov 24, 2022 Pending
Array ( [id] => 18207950 [patent_doc_number] => 20230054207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => SAMPLE COLLECTION SYSTEM INCLUDING SEALING CAP AND VALVE [patent_app_type] => utility [patent_app_number] => 17/981213 [patent_app_country] => US [patent_app_date] => 2022-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17981213 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/981213
SAMPLE COLLECTION SYSTEM INCLUDING SEALING CAP AND VALVE Nov 3, 2022 Pending
Array ( [id] => 18146672 [patent_doc_number] => 20230020529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => DETECTION METHOD, DETECTION DEVICE, AND DIELECTRIC PARTICLE [patent_app_type] => utility [patent_app_number] => 17/935929 [patent_app_country] => US [patent_app_date] => 2022-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10365 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17935929 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935929
DETECTION METHOD, DETECTION DEVICE, AND DIELECTRIC PARTICLE Sep 26, 2022 Pending
Array ( [id] => 18279293 [patent_doc_number] => 20230094765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => AUTOMATED SAMPLE EXTRACTION APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 17/935423 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22894 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17935423 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935423
AUTOMATED SAMPLE EXTRACTION APPARATUS AND METHOD Sep 25, 2022 Pending
Array ( [id] => 19004943 [patent_doc_number] => 20240069014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => SARS-CoV-2 Rapid Detection Device [patent_app_type] => utility [patent_app_number] => 17/821506 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7101 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17821506 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/821506
SARS-CoV-2 Rapid Detection Device Aug 22, 2022 Pending
Array ( [id] => 18213659 [patent_doc_number] => 20230059925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => Macromolecular Sequencing by Quantum Transport Through Molecular Bridges [patent_app_type] => utility [patent_app_number] => 17/889793 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889793
Macromolecular Sequencing by Quantum Transport Through Molecular Bridges Aug 16, 2022 Pending
Array ( [id] => 19164470 [patent_doc_number] => 11980352 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Nasal irrigation diagnostic assembly [patent_app_type] => utility [patent_app_number] => 17/888396 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5842 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 440 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17888396 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/888396
Nasal irrigation diagnostic assembly Aug 14, 2022 Issued
Array ( [id] => 18035085 [patent_doc_number] => 20220379300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => ROTARY PLATFORM FOR CELL LYSING AND PURIFICATION AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 17/818144 [patent_app_country] => US [patent_app_date] => 2022-08-08 [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] => -2 [patent_words_short_claim] => 666 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17818144 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/818144
Rotary platform for cell lysing and purification and method of use Aug 7, 2022 Issued
Array ( [id] => 18250689 [patent_doc_number] => 20230077728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => COVER MEMBER, METHOD AND TREATMENT MODULE FOR TREATING A BIOLOGICAL SAMPLE ON A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 17/869645 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869645 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869645
Cover member, method and treatment module for treating a biological sample on a substrate Jul 19, 2022 Issued
Array ( [id] => 18110848 [patent_doc_number] => 20230003728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => VELVET DISEASE DETECTION DEVICE, SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/865718 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17865718 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/865718
VELVET DISEASE DETECTION DEVICE, SYSTEM AND METHOD Jul 14, 2022 Pending
Array ( [id] => 19092017 [patent_doc_number] => 11953464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Semiconductor-based biosensors for base calling [patent_app_type] => utility [patent_app_number] => 17/831424 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 27443 [patent_no_of_claims] => 11 [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] => 17831424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831424
Semiconductor-based biosensors for base calling Jun 1, 2022 Issued
Array ( [id] => 17868458 [patent_doc_number] => 20220291194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => NANOPORE STRUCTURE AND BASE SEQUENCE ANALYZER HAVING NANOPORE STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/829873 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17829873 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/829873
NANOPORE STRUCTURE AND BASE SEQUENCE ANALYZER HAVING NANOPORE STRUCTURE May 31, 2022 Abandoned
Array ( [id] => 18036537 [patent_doc_number] => 20220380752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => DEVICES AND METHODS FOR EXTRACTING BLOOD PLASMA [patent_app_type] => utility [patent_app_number] => 17/824617 [patent_app_country] => US [patent_app_date] => 2022-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42683 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17824617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824617
DEVICES AND METHODS FOR EXTRACTING BLOOD PLASMA May 24, 2022 Abandoned
Array ( [id] => 18019520 [patent_doc_number] => 20220371019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => Cartridge and Testing Device [patent_app_type] => utility [patent_app_number] => 17/750521 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17750521 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/750521
Cartridge and Testing Device May 22, 2022 Pending
Array ( [id] => 18036021 [patent_doc_number] => 20220380236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => HIGH EFFICIENCY ELECTRODIALYSIS FLUID PURIFICATION DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 17/750712 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6043 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17750712 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/750712
HIGH EFFICIENCY ELECTRODIALYSIS FLUID PURIFICATION DEVICE AND METHOD May 22, 2022 Pending
Array ( [id] => 17989220 [patent_doc_number] => 20220355257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => Emulsion Formation Assisted by Corona Discharge and Electrohydrodynamic Pumping [patent_app_type] => utility [patent_app_number] => 17/737325 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17737325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/737325
Emulsion Formation Assisted by Corona Discharge and Electrohydrodynamic Pumping May 4, 2022 Pending
Array ( [id] => 20466830 [patent_doc_number] => 12522863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Crispr effector system based coronavirus diagnostics [patent_app_type] => utility [patent_app_number] => 17/731019 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 66 [patent_no_of_words] => 65793 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731019 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731019
Crispr effector system based coronavirus diagnostics Apr 26, 2022 Issued
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