Search

Matthew D. Krcha

Examiner (ID: 771, Phone: (571)270-0386 , Office: P/1798 )

Most Active Art Unit
1798
Art Unit(s)
1773, 1798, 1796
Total Applications
686
Issued Applications
401
Pending Applications
131
Abandoned Applications
185

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20232813 [patent_doc_number] => 20250290132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => COUPLING METHOD [patent_app_type] => utility [patent_app_number] => 19/094566 [patent_app_country] => US [patent_app_date] => 2025-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25212 [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] => 19094566 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/094566
Coupling method Mar 27, 2025 Issued
Array ( [id] => 19657432 [patent_doc_number] => 20240424497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => NUCLEIC ACID TEST KIT AND PREPARATION PROCESS THEREOF [patent_app_type] => utility [patent_app_number] => 18/829330 [patent_app_country] => US [patent_app_date] => 2024-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5783 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 478 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829330 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829330
Nucleic acid test kit and preparation process thereof Sep 9, 2024 Issued
Array ( [id] => 19872238 [patent_doc_number] => 12265095 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-01 [patent_title] => Extraction operation room and intelligent sample access system [patent_app_type] => utility [patent_app_number] => 18/848147 [patent_app_country] => US [patent_app_date] => 2023-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 13273 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 942 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18848147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/848147
Extraction operation room and intelligent sample access system Apr 2, 2023 Issued
Array ( [id] => 18672050 [patent_doc_number] => 20230309479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => CULTURING METHOD AND CULTURING DEVICE [patent_app_type] => utility [patent_app_number] => 18/128283 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18128283 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128283
CULTURING METHOD AND CULTURING DEVICE Mar 29, 2023 Pending
Array ( [id] => 18510432 [patent_doc_number] => 20230226540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => TEST CONTAINER, TEST DEVICE, AND NUCLEIC ACID TEST METHOD [patent_app_type] => utility [patent_app_number] => 18/190284 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190284
TEST CONTAINER, TEST DEVICE, AND NUCLEIC ACID TEST METHOD Mar 26, 2023 Pending
Array ( [id] => 19682872 [patent_doc_number] => 20250001417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => At-Home Covid Nucleic Acid Detection Kit for Rapid Molecular Diagnostics [patent_app_type] => utility [patent_app_number] => 18/190927 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6804 [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] => 18190927 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190927
At-Home Covid Nucleic Acid Detection Kit for Rapid Molecular Diagnostics Mar 26, 2023 Pending
Array ( [id] => 18673611 [patent_doc_number] => 20230311116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => FLUIDIC DEVICES INCLUDING HYBRID BONDING, AND METHODS OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 18/187445 [patent_app_country] => US [patent_app_date] => 2023-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187445
FLUIDIC DEVICES INCLUDING HYBRID BONDING, AND METHODS OF MAKING THE SAME Mar 20, 2023 Pending
Array ( [id] => 18941417 [patent_doc_number] => 20240036556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => APPARATUSES, COMPUTER-IMPLEMENTED METHODS, AND COMPUTER PROGRAM PRODUCTS FOR PROCESSING MULTIPLE REPRESENTATIONS OF A PROCESSING PLANT [patent_app_type] => utility [patent_app_number] => 18/184300 [patent_app_country] => US [patent_app_date] => 2023-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18194 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18184300 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184300
APPARATUSES, COMPUTER-IMPLEMENTED METHODS, AND COMPUTER PROGRAM PRODUCTS FOR PROCESSING MULTIPLE REPRESENTATIONS OF A PROCESSING PLANT Mar 14, 2023 Pending
Array ( [id] => 18613615 [patent_doc_number] => 20230280351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => HIGH THROUGHPUT ANALYSIS AND SORTING, AND SAMPLING INTERFACE AND ASSEMBLY FOR HIGH THROUGHPUT ANALYSIS AND SORTING [patent_app_type] => utility [patent_app_number] => 18/166723 [patent_app_country] => US [patent_app_date] => 2023-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11665 [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] => 18166723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166723
HIGH THROUGHPUT ANALYSIS AND SORTING, AND SAMPLING INTERFACE AND ASSEMBLY FOR HIGH THROUGHPUT ANALYSIS AND SORTING Feb 8, 2023 Pending
Array ( [id] => 18939835 [patent_doc_number] => 20240034974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => CULTURE DEVICE FOR BIOCHEMICAL TESTING [patent_app_type] => utility [patent_app_number] => 18/095547 [patent_app_country] => US [patent_app_date] => 2023-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18095547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/095547
CULTURE DEVICE FOR BIOCHEMICAL TESTING Jan 10, 2023 Pending
Array ( [id] => 18939835 [patent_doc_number] => 20240034974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => CULTURE DEVICE FOR BIOCHEMICAL TESTING [patent_app_type] => utility [patent_app_number] => 18/095547 [patent_app_country] => US [patent_app_date] => 2023-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18095547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/095547
CULTURE DEVICE FOR BIOCHEMICAL TESTING Jan 10, 2023 Pending
Array ( [id] => 18390288 [patent_doc_number] => 20230158506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => COATED ARTICLES FOR BLOOD COAGULATION TESTING AND METHODS OF PREPARING THE SAME [patent_app_type] => utility [patent_app_number] => 18/152306 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16315 [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] => 18152306 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/152306
COATED ARTICLES FOR BLOOD COAGULATION TESTING AND METHODS OF PREPARING THE SAME Jan 9, 2023 Issued
Array ( [id] => 18406039 [patent_doc_number] => 20230167390 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => ARRANGEMENT FOR THE CULTIVATION AND UTILIZATION OF BIOMASS AND SYSTEM OF ARRANGEMENTS FOR THE CULTIVATION AND UTILIZATION OF BIOMASS [patent_app_type] => utility [patent_app_number] => 18/152547 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18152547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/152547
ARRANGEMENT FOR THE CULTIVATION AND UTILIZATION OF BIOMASS AND SYSTEM OF ARRANGEMENTS FOR THE CULTIVATION AND UTILIZATION OF BIOMASS Jan 9, 2023 Pending
Array ( [id] => 18467558 [patent_doc_number] => 20230201839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => Systems and Methods for Biological Analysis [patent_app_type] => utility [patent_app_number] => 18/086416 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12991 [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] => 18086416 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/086416
Systems and Methods for Biological Analysis Dec 20, 2022 Pending
Array ( [id] => 19049798 [patent_doc_number] => 20240091767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => GENE AMPLIFICATION CHIP, APPARATUS FOR GENE AMPLIFICATION, AND APPARATUS FOR BIO-PARTICLE ANALYSIS [patent_app_type] => utility [patent_app_number] => 18/082087 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18082087 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/082087
GENE AMPLIFICATION CHIP, APPARATUS FOR GENE AMPLIFICATION, AND APPARATUS FOR BIO-PARTICLE ANALYSIS Dec 14, 2022 Pending
Array ( [id] => 18676664 [patent_doc_number] => 20230314292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => DILUTION SOLUTION FOR MEASURING FREE STEROIDS IN BLOOD AND METHOD FOR MEASURING STEROID USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/078328 [patent_app_country] => US [patent_app_date] => 2022-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18078328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/078328
DILUTION SOLUTION FOR MEASURING FREE STEROIDS IN BLOOD AND METHOD FOR MEASURING STEROID USING THE SAME Dec 8, 2022 Pending
Array ( [id] => 18808887 [patent_doc_number] => 20230383222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => HAND-HELD NUCLEIC ACID DETECTION APPARATUS EQUIPPED WITH MICROFLUIDIC CHIP, AND USE METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/061481 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18061481 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/061481
HAND-HELD NUCLEIC ACID DETECTION APPARATUS EQUIPPED WITH MICROFLUIDIC CHIP, AND USE METHOD THEREOF Dec 4, 2022 Pending
Array ( [id] => 18808887 [patent_doc_number] => 20230383222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => HAND-HELD NUCLEIC ACID DETECTION APPARATUS EQUIPPED WITH MICROFLUIDIC CHIP, AND USE METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/061481 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18061481 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/061481
HAND-HELD NUCLEIC ACID DETECTION APPARATUS EQUIPPED WITH MICROFLUIDIC CHIP, AND USE METHOD THEREOF Dec 4, 2022 Pending
Array ( [id] => 19140920 [patent_doc_number] => 20240139726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => CARTRIDGE FOR DETECTING TARGET ANALYTE [patent_app_type] => utility [patent_app_number] => 17/975734 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17975734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/975734
CARTRIDGE FOR DETECTING TARGET ANALYTE Oct 27, 2022 Pending
Array ( [id] => 19140920 [patent_doc_number] => 20240139726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => CARTRIDGE FOR DETECTING TARGET ANALYTE [patent_app_type] => utility [patent_app_number] => 17/975734 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17975734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/975734
CARTRIDGE FOR DETECTING TARGET ANALYTE Oct 27, 2022 Pending
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