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] => 17291337 [patent_doc_number] => 20210387176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => CLOSED FLUID RECEIVING AND SAMPLING CONTAINER [patent_app_type] => utility [patent_app_number] => 17/244373 [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] => 4621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17244373 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/244373
CLOSED FLUID RECEIVING AND SAMPLING CONTAINER Apr 28, 2021 Abandoned
Array ( [id] => 17007582 [patent_doc_number] => 20210238743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => SYMMETRIC PRECURSOR DELIVERY [patent_app_type] => utility [patent_app_number] => 17/238097 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17238097 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238097
SYMMETRIC PRECURSOR DELIVERY Apr 21, 2021 Abandoned
Array ( [id] => 19970603 [patent_doc_number] => 12339204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Sizable tunable enrichment platform for capturing nano particles in a fluid [patent_app_type] => utility [patent_app_number] => 17/236814 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 59 [patent_figures_cnt] => 60 [patent_no_of_words] => 19856 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17236814 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/236814
Sizable tunable enrichment platform for capturing nano particles in a fluid Apr 20, 2021 Issued
Array ( [id] => 18470257 [patent_doc_number] => 20230204542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => MAGNETIC PARTICLE SPECTROSCOPY METHOD AND DEVICE [patent_app_type] => utility [patent_app_number] => 17/996291 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16590 [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] => 17996291 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996291
MAGNETIC PARTICLE SPECTROSCOPY METHOD AND DEVICE Apr 15, 2021 Pending
Array ( [id] => 16993220 [patent_doc_number] => 20210231640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => Cartridge for Bead-Milling-Based Testing of Erythrocyte Mechanical Fragility [patent_app_type] => utility [patent_app_number] => 17/230027 [patent_app_country] => US [patent_app_date] => 2021-04-14 [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] => -18 [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] => 17230027 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/230027
Cartridge for Bead-Milling-Based Testing of Erythrocyte Mechanical Fragility Apr 13, 2021 Abandoned
Array ( [id] => 18421499 [patent_doc_number] => 20230175962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => SENSOR ARRANGEMENT FOR SIMULTANEOUS MEASUREMENT OF OPTICAL AND ELECTRICAL PROPERTIES [patent_app_type] => utility [patent_app_number] => 17/923974 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20785 [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] => 17923974 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/923974
SENSOR ARRANGEMENT FOR SIMULTANEOUS MEASUREMENT OF OPTICAL AND ELECTRICAL PROPERTIES Apr 12, 2021 Pending
Array ( [id] => 17038112 [patent_doc_number] => 20210255071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => Device And Method For Isolating A Target From a Biological Sample [patent_app_type] => utility [patent_app_number] => 17/224337 [patent_app_country] => US [patent_app_date] => 2021-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17224337 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/224337
Device And Method For Isolating A Target From a Biological Sample Apr 6, 2021 Pending
Array ( [id] => 17299270 [patent_doc_number] => 20210395109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => Water Vapor Distillation Apparatus, Method and System [patent_app_type] => utility [patent_app_number] => 17/216582 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 73219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17216582 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/216582
Water vapor distillation apparatus, method and system Mar 28, 2021 Issued
Array ( [id] => 17299269 [patent_doc_number] => 20210395108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => Water Distillation Apparatus, Method and System [patent_app_type] => utility [patent_app_number] => 17/216581 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 72697 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17216581 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/216581
Water Distillation Apparatus, Method and System Mar 28, 2021 Abandoned
Array ( [id] => 17201326 [patent_doc_number] => 20210341421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => NANOPORE FUNCTIONALITY CONTROL [patent_app_type] => utility [patent_app_number] => 17/211564 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17211564 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211564
Nanopore functionality control Mar 23, 2021 Issued
Array ( [id] => 17110580 [patent_doc_number] => 20210291177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => REAGENT CARRIER FOR RAPID DIAGNOSTIC TESTS [patent_app_type] => utility [patent_app_number] => 17/203668 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17203668 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/203668
REAGENT CARRIER FOR RAPID DIAGNOSTIC TESTS Mar 15, 2021 Abandoned
Array ( [id] => 17858873 [patent_doc_number] => 11440014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Point of care (POC) device for facilitating nucleic acid based testing and method thereof [patent_app_type] => utility [patent_app_number] => 17/201968 [patent_app_country] => US [patent_app_date] => 2021-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 27 [patent_no_of_words] => 21116 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 731 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17201968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/201968
Point of care (POC) device for facilitating nucleic acid based testing and method thereof Mar 14, 2021 Issued
Array ( [id] => 16933794 [patent_doc_number] => 20210199683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => IN-LINE PRESSURE ACCUMULATOR AND FLOW-CONTROL SYSTEM FOR BIOLOGICAL OR CHEMICAL ASSAYS [patent_app_type] => utility [patent_app_number] => 17/249745 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12970 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17249745 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249745
IN-LINE PRESSURE ACCUMULATOR AND FLOW-CONTROL SYSTEM FOR BIOLOGICAL OR CHEMICAL ASSAYS Mar 10, 2021 Abandoned
Array ( [id] => 18453276 [patent_doc_number] => 20230194556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => AUTOMATIC ANALYZER AND MAINTENANCE METHOD FOR AUTOMATIC ANALYZER [patent_app_type] => utility [patent_app_number] => 18/011221 [patent_app_country] => US [patent_app_date] => 2021-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18011221 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011221
AUTOMATIC ANALYZER AND MAINTENANCE METHOD FOR AUTOMATIC ANALYZER Feb 24, 2021 Pending
Array ( [id] => 18065697 [patent_doc_number] => 20220396784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => DEVICE, SYSTEM AND METHOD FOR ISOLATING A BIOLOGICAL MATERIAL [patent_app_type] => utility [patent_app_number] => 17/777230 [patent_app_country] => US [patent_app_date] => 2021-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6272 [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] => 17777230 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/777230
DEVICE, SYSTEM AND METHOD FOR ISOLATING A BIOLOGICAL MATERIAL Feb 21, 2021 Abandoned
Array ( [id] => 18250390 [patent_doc_number] => 20230077429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => CELL-CULTURE BIOREACTOR [patent_app_type] => utility [patent_app_number] => 17/904549 [patent_app_country] => US [patent_app_date] => 2021-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7095 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 17904549 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/904549
CELL-CULTURE BIOREACTOR Feb 17, 2021 Pending
Array ( [id] => 17005889 [patent_doc_number] => 20210237050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => DISPOSABLE BIOASSAY CARTRIDGE AND METHOD OF PERFORMING MULTIPLE ASSAY STEPS AND FLUID TRANSFER WITHIN THE CARTRIDGE [patent_app_type] => utility [patent_app_number] => 17/178663 [patent_app_country] => US [patent_app_date] => 2021-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10282 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17178663 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/178663
DISPOSABLE BIOASSAY CARTRIDGE AND METHOD OF PERFORMING MULTIPLE ASSAY STEPS AND FLUID TRANSFER WITHIN THE CARTRIDGE Feb 17, 2021 Abandoned
Array ( [id] => 18281121 [patent_doc_number] => 20230096593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => Method and Device for Carrying Out a qPCR Method [patent_app_type] => utility [patent_app_number] => 17/904302 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17904302 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/904302
Method and Device for Carrying Out a qPCR Method Feb 14, 2021 Pending
Array ( [id] => 20491822 [patent_doc_number] => 12533678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Apparatus and methods for piercing a centrifuge tube [patent_app_type] => utility [patent_app_number] => 17/248781 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17248781 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/248781
Apparatus and methods for piercing a centrifuge tube Feb 7, 2021 Issued
Array ( [id] => 18207596 [patent_doc_number] => 20230053853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => SURFACE PLASMONIC SENSING [patent_app_type] => utility [patent_app_number] => 17/797256 [patent_app_country] => US [patent_app_date] => 2021-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17797256 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797256
SURFACE PLASMONIC SENSING Feb 3, 2021 Pending
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