Search

Matthew D. Krcha

Examiner (ID: 2046, Phone: (571)270-0386 , Office: P/1798 )

Most Active Art Unit
1798
Art Unit(s)
1796, 1773, 1798
Total Applications
745
Issued Applications
414
Pending Applications
136
Abandoned Applications
209

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] => 20601142 [patent_doc_number] => 20260079150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => METHODS AND APPARATUS FOR SIMULTANEOUS IDENTIFICATION AND QUANTIFICATION OF A MICROBE [patent_app_type] => utility [patent_app_number] => 18/886214 [patent_app_country] => US [patent_app_date] => 2024-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37579 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18886214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/886214
METHODS AND APPARATUS FOR SIMULTANEOUS IDENTIFICATION AND QUANTIFICATION OF A MICROBE Sep 15, 2024 Pending
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] => 20287551 [patent_doc_number] => 20250312794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => MULTI-VOLUME VIAL APPARATUS WITH CLOSURE AND SEAL [patent_app_type] => utility [patent_app_number] => 18/626356 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13919 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626356 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626356
MULTI-VOLUME VIAL APPARATUS WITH CLOSURE AND SEAL Apr 3, 2024 Pending
Array ( [id] => 20060739 [patent_doc_number] => 20250198961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => PIXELATED CAPACITOR SENSOR CHARGE SHARING READOUT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/543207 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18543207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543207
PIXELATED CAPACITOR SENSOR CHARGE SHARING READOUT SYSTEM Dec 17, 2023 Pending
Array ( [id] => 19203969 [patent_doc_number] => 20240175868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => Enzyme-linked paper-based assay [patent_app_type] => utility [patent_app_number] => 18/518704 [patent_app_country] => US [patent_app_date] => 2023-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18518704 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/518704
Enzyme-linked paper-based assay Nov 23, 2023 Pending
Array ( [id] => 19186701 [patent_doc_number] => 20240165614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => MODULAR MANIFOLD FOR USE WITH A MICROFLUIDICS CHIP AND HAVING TWO-WAY AND THREE-WAY PLATE MANIFOLDS AND METHOD OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 18/516861 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18516861 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/516861
MODULAR MANIFOLD FOR USE WITH A MICROFLUIDICS CHIP AND HAVING TWO-WAY AND THREE-WAY PLATE MANIFOLDS AND METHOD OF MAKING THE SAME Nov 20, 2023 Pending
Array ( [id] => 20017107 [patent_doc_number] => 20250155329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => SAMPLE COLLECTION AND AUTOMATED PROCESSING DEVICE [patent_app_type] => utility [patent_app_number] => 18/507312 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18507312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507312
SAMPLE COLLECTION AND AUTOMATED PROCESSING DEVICE Nov 12, 2023 Pending
Array ( [id] => 19891366 [patent_doc_number] => 20250116678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => UNSUPERVISED TECHNIQUES FOR IDENTIFYING UNIVARIATE AND MULTIVARIATE ANOMALIES IN SCIENTIFIC INSTRUMENT RESULTS WITHIN A LABORATORY INFORMATION MANAGEMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/482724 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18482724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/482724
UNSUPERVISED TECHNIQUES FOR IDENTIFYING UNIVARIATE AND MULTIVARIATE ANOMALIES IN SCIENTIFIC INSTRUMENT RESULTS WITHIN A LABORATORY INFORMATION MANAGEMENT SYSTEM Oct 5, 2023 Pending
Array ( [id] => 18940887 [patent_doc_number] => 20240036026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => DYSBIOTIC MEASUREMENT [patent_app_type] => utility [patent_app_number] => 18/479756 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9465 [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] => 18479756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479756
DYSBIOTIC MEASUREMENT Oct 1, 2023 Pending
Array ( [id] => 18901774 [patent_doc_number] => 20240017259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => DEVICES, METHODS, AND SYSTEMS FOR IMPROVED DROPLET RECOVERY [patent_app_type] => utility [patent_app_number] => 18/373002 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25163 [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] => 18373002 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373002
DEVICES, METHODS, AND SYSTEMS FOR IMPROVED DROPLET RECOVERY Sep 25, 2023 Pending
Array ( [id] => 19068597 [patent_doc_number] => 20240103023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SAMPLE CHANGER, CRUCIBLE AND TRAY FOR A THERMOANALYTICAL INSTRUMENT [patent_app_type] => utility [patent_app_number] => 18/371683 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5131 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18371683 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371683
SAMPLE CHANGER, CRUCIBLE AND TRAY FOR A THERMOANALYTICAL INSTRUMENT Sep 21, 2023 Pending
Array ( [id] => 18862375 [patent_doc_number] => 20230416811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => APPARATUS FOR APPLYING THERMAL ENERGY TO A RECEPTACLE AND DETECTING AN EMISSION SIGNAL FROM THE RECEPTACLE [patent_app_type] => utility [patent_app_number] => 18/465134 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18465134 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465134
APPARATUS FOR APPLYING THERMAL ENERGY TO A RECEPTACLE AND DETECTING AN EMISSION SIGNAL FROM THE RECEPTACLE Sep 10, 2023 Pending
Array ( [id] => 19203948 [patent_doc_number] => 20240175847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => SEAL FAILURE DETECTION SYSTEM AND METHODS [patent_app_type] => utility [patent_app_number] => 18/460253 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18460253 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460253
SEAL FAILURE DETECTION SYSTEM AND METHODS Aug 31, 2023 Pending
Array ( [id] => 18970844 [patent_doc_number] => 20240050936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => NOZZLE STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/448335 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18448335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448335
NOZZLE STRUCTURE Aug 10, 2023 Pending
Array ( [id] => 18956429 [patent_doc_number] => 20240044756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => LOW-COST ENVIRONMENTAL CONTAMINANT ANALYSIS FOR CUSTOMIZED TREATMENT [patent_app_type] => utility [patent_app_number] => 18/366593 [patent_app_country] => US [patent_app_date] => 2023-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366593 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/366593
LOW-COST ENVIRONMENTAL CONTAMINANT ANALYSIS FOR CUSTOMIZED TREATMENT Aug 6, 2023 Pending
Array ( [id] => 18878001 [patent_doc_number] => 20240001370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => METHODS AND APPARATUS TO POSITION THIN-FILM SPECIMENS [patent_app_type] => utility [patent_app_number] => 18/216802 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6894 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18216802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216802
METHODS AND APPARATUS TO POSITION THIN-FILM SPECIMENS Jun 29, 2023 Pending
Array ( [id] => 18863237 [patent_doc_number] => 20230417673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => AUTONOMOUS MEASUREMENT SYSTEM FOR PERFORMING CHEMICAL CONCENTRATION MEASUREMENTS IN AN INDUSTRIAL PROCESS STREAM [patent_app_type] => utility [patent_app_number] => 18/340967 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11357 [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] => 18340967 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340967
AUTONOMOUS MEASUREMENT SYSTEM FOR PERFORMING CHEMICAL CONCENTRATION MEASUREMENTS IN AN INDUSTRIAL PROCESS STREAM Jun 25, 2023 Pending
Array ( [id] => 19140940 [patent_doc_number] => 20240139746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => METHOD AND SYSTEM FOR LOCALIZED HEATING BY ILLUMINATION OF PATTERNED THIN FILMS [patent_app_type] => utility [patent_app_number] => 18/327194 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18327194 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327194
METHOD AND SYSTEM FOR LOCALIZED HEATING BY ILLUMINATION OF PATTERNED THIN FILMS May 31, 2023 Pending
Array ( [id] => 19586663 [patent_doc_number] => 20240384220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => SYSTEM AND METHOD FOR CELL AND TISSUE PREPARATION [patent_app_type] => utility [patent_app_number] => 18/320315 [patent_app_country] => US [patent_app_date] => 2023-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320315 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320315
SYSTEM AND METHOD FOR CELL AND TISSUE PREPARATION May 18, 2023 Pending
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