Search

Matthew R. Buck

Examiner (ID: 3884, Phone: (571)270-3653 , Office: P/3678 )

Most Active Art Unit
3679
Art Unit(s)
3679, 3674, 3672, 3678, 3671
Total Applications
1969
Issued Applications
1553
Pending Applications
152
Abandoned Applications
295

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19916436 [patent_doc_number] => 12291794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Electrosynthesis of oxiranes [patent_app_type] => utility [patent_app_number] => 17/915209 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 44 [patent_no_of_words] => 5102 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17915209 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/915209
Electrosynthesis of oxiranes Mar 17, 2021 Issued
Array ( [id] => 18716841 [patent_doc_number] => 11794166 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-24 [patent_title] => Perovskite oxides for thermochemical conversion of carbon dioxide [patent_app_type] => utility [patent_app_number] => 17/186528 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 33 [patent_no_of_words] => 9785 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17186528 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186528
Perovskite oxides for thermochemical conversion of carbon dioxide Feb 25, 2021 Issued
Array ( [id] => 20452155 [patent_doc_number] => 12515200 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Supported OCM catalyst composition having improved product selectivity and catalyst activity [patent_app_type] => utility [patent_app_number] => 17/921772 [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] => 3782 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17921772 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/921772
Supported OCM catalyst composition having improved product selectivity and catalyst activity Feb 21, 2021 Issued
Array ( [id] => 17052937 [patent_doc_number] => 20210262371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => NOVEL TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS [patent_app_type] => utility [patent_app_number] => 17/249097 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17249097 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249097
Twc catalysts for gasoline engine exhaust gas treatments Feb 18, 2021 Issued
Array ( [id] => 18278930 [patent_doc_number] => 20230094402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => COMPOSITIONS CONTAINING ZIRCONIUM AND CERIUM AND METHODS FOR PREPARING SAME USING OXALIC ACID AND SUPERCRITICAL DRYING [patent_app_type] => utility [patent_app_number] => 17/911037 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6531 [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] => 17911037 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/911037
COMPOSITIONS CONTAINING ZIRCONIUM AND CERIUM AND METHODS FOR PREPARING SAME USING OXALIC ACID AND SUPERCRITICAL DRYING Feb 18, 2021 Pending
Array ( [id] => 17095798 [patent_doc_number] => 20210283589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => EXHAUST GAS PURIFICATION DEVICE [patent_app_type] => utility [patent_app_number] => 17/178336 [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] => 16700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17178336 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/178336
Exhaust gas purification device Feb 17, 2021 Issued
Array ( [id] => 18461945 [patent_doc_number] => 11686231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same [patent_app_type] => utility [patent_app_number] => 17/177315 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 13525 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17177315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/177315
LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same Feb 16, 2021 Issued
Array ( [id] => 18325731 [patent_doc_number] => 20230123859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Method and device for producing a product containing amorphous silica and amorphous carbon [patent_app_type] => utility [patent_app_number] => 17/802797 [patent_app_country] => US [patent_app_date] => 2021-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17802797 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802797
Method and device for producing a product containing amorphous silica and amorphous carbon Feb 15, 2021 Pending
Array ( [id] => 18241743 [patent_doc_number] => 20230074054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => INHIBITION-FREE LOW-TEMPERATURE ENGINE EXHAUST OXIDATION CATALYST [patent_app_type] => utility [patent_app_number] => 17/797739 [patent_app_country] => US [patent_app_date] => 2021-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17797739 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797739
INHIBITION-FREE LOW-TEMPERATURE ENGINE EXHAUST OXIDATION CATALYST Feb 10, 2021 Pending
Array ( [id] => 18870145 [patent_doc_number] => 11857925 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Single brick SCR/ASC/PNA/DOC close-coupled catalyst [patent_app_type] => utility [patent_app_number] => 17/248813 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 51 [patent_no_of_words] => 27800 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17248813 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/248813
Single brick SCR/ASC/PNA/DOC close-coupled catalyst Feb 8, 2021 Issued
Array ( [id] => 18337068 [patent_doc_number] => 20230129017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => CATALYST AND CATALYTIC OXIDATION-DEOXIDATION METHOD FOR UNSATURATED HYDROCARBON-CONTAINING GAS [patent_app_type] => utility [patent_app_number] => 17/760386 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11981 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17760386 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/760386
Catalyst and catalytic oxidation-deoxidation method for unsaturated hydrocarbon-containing gas Jan 25, 2021 Issued
Array ( [id] => 18708049 [patent_doc_number] => 20230330634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => YTTRIUM-DOPED CATALYST SUPPORT [patent_app_type] => utility [patent_app_number] => 17/758718 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [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] => 17758718 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758718
Yttrium-doped catalyst support Jan 25, 2021 Issued
Array ( [id] => 18184679 [patent_doc_number] => 20230045409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => DOUBLE-LAYER THREE-WAY CATALYST WITH FURTHER IMPROVED AGEING STABILITY [patent_app_type] => utility [patent_app_number] => 17/758826 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17758826 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758826
Double-layer three-way catalyst with further improved ageing stability Jan 25, 2021 Issued
Array ( [id] => 18635168 [patent_doc_number] => 11759741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Honeycomb filter [patent_app_type] => utility [patent_app_number] => 17/151278 [patent_app_country] => US [patent_app_date] => 2021-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7924 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151278 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151278
Honeycomb filter Jan 17, 2021 Issued
Array ( [id] => 18635167 [patent_doc_number] => 11759740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Honeycomb filter [patent_app_type] => utility [patent_app_number] => 17/151255 [patent_app_country] => US [patent_app_date] => 2021-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7906 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151255
Honeycomb filter Jan 17, 2021 Issued
Array ( [id] => 16947097 [patent_doc_number] => 20210205788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => NOVEL MULTI-REGION TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS [patent_app_type] => utility [patent_app_number] => 17/248004 [patent_app_country] => US [patent_app_date] => 2021-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17248004 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/248004
Multi-region TWC catalysts for gasoline engine exhaust gas treatments Jan 4, 2021 Issued
Array ( [id] => 18971745 [patent_doc_number] => 20240051837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => METHOD FOR THE PRODUCTION OF LITHIUM HYDROXIDE (LIOH) DIRECTLY FROM LITHIUM CHLORIDE (LICI), WITHOUT THE NEED FOR AN INTERMEDIATE PRODUCTION OF LITHIUM CARBONATE OR SIMILAR [patent_app_type] => utility [patent_app_number] => 18/270791 [patent_app_country] => US [patent_app_date] => 2021-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18270791 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/270791
METHOD FOR THE PRODUCTION OF LITHIUM HYDROXIDE (LIOH) DIRECTLY FROM LITHIUM CHLORIDE (LICI), WITHOUT THE NEED FOR AN INTERMEDIATE PRODUCTION OF LITHIUM CARBONATE OR SIMILAR Jan 4, 2021 Pending
Array ( [id] => 20609547 [patent_doc_number] => 12585146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Bismuth-substituted rare earth iron garnet single crystal, faraday rotator, optical isolator, and production method for bismuth-substituted rare earth iron garnet single crystal [patent_app_type] => utility [patent_app_number] => 17/995987 [patent_app_country] => US [patent_app_date] => 2020-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17995987 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/995987
Bismuth-substituted rare earth iron garnet single crystal, faraday rotator, optical isolator, and production method for bismuth-substituted rare earth iron garnet single crystal Dec 17, 2020 Issued
Array ( [id] => 20342190 [patent_doc_number] => 12465908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Exhaust gas purification catalyst [patent_app_type] => utility [patent_app_number] => 17/785996 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 17881 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17785996 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/785996
Exhaust gas purification catalyst Dec 16, 2020 Issued
Array ( [id] => 18146518 [patent_doc_number] => 20230020375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => A METHOD OF PRODUCING A CERAMIC SUPPORT AND A CERAMIC SUPPORT [patent_app_type] => utility [patent_app_number] => 17/784853 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17784853 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/784853
A METHOD OF PRODUCING A CERAMIC SUPPORT AND A CERAMIC SUPPORT Dec 10, 2020 Pending
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