Search

Brent J. Andrews

Examiner (ID: 1188, Phone: (571)272-6101 , Office: P/2868 )

Most Active Art Unit
2868
Art Unit(s)
2868, 2858
Total Applications
351
Issued Applications
254
Pending Applications
39
Abandoned Applications
69

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20547901 [patent_doc_number] => 12558676 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Method for preparing small crystal SSZ-81 zeolite [patent_app_type] => utility [patent_app_number] => 18/177309 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177309
Method for preparing small crystal SSZ-81 zeolite Mar 1, 2023 Issued
Array ( [id] => 18612153 [patent_doc_number] => 20230278885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => METHODS OF PRODUCING URANIUM CHLORIDE AND COMPOSITIONS COMPRISING URANIUM CHLORIDE [patent_app_type] => utility [patent_app_number] => 18/177414 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177414 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177414
METHODS OF PRODUCING URANIUM CHLORIDE AND COMPOSITIONS COMPRISING URANIUM CHLORIDE Mar 1, 2023 Pending
Array ( [id] => 18612126 [patent_doc_number] => 20230278858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => CATALYST FOR NON-OXIDATIVE CONVERSION OF HYDROCARBONS TO HYDROGEN [patent_app_type] => utility [patent_app_number] => 18/116214 [patent_app_country] => US [patent_app_date] => 2023-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18116214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116214
CATALYST FOR NON-OXIDATIVE CONVERSION OF HYDROCARBONS TO HYDROGEN Feb 28, 2023 Pending
Array ( [id] => 18612132 [patent_doc_number] => 20230278864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => NITROGEN DOPED CARBON-BASED NANOMATERIAL AND METHODS OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 18/176549 [patent_app_country] => US [patent_app_date] => 2023-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20634 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18176549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176549
NITROGEN DOPED CARBON-BASED NANOMATERIAL AND METHODS OF FORMING THE SAME Feb 28, 2023 Pending
Array ( [id] => 19299741 [patent_doc_number] => 20240228310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => MAGNESIUM REMOVAL PROCESS [patent_app_type] => utility [patent_app_number] => 18/151228 [patent_app_country] => US [patent_app_date] => 2023-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18151228 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/151228
MAGNESIUM REMOVAL PROCESS Jan 5, 2023 Pending
Array ( [id] => 18467512 [patent_doc_number] => 20230201793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => LITHIUM ADSORBENT AND METHOD FOR LITHIUM EXTRACTION FROM SALT LAKE [patent_app_type] => utility [patent_app_number] => 18/086729 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18086729 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/086729
LITHIUM ADSORBENT AND METHOD FOR LITHIUM EXTRACTION FROM SALT LAKE Dec 21, 2022 Pending
Array ( [id] => 19265132 [patent_doc_number] => 20240208831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => METHOD OF PREPARING ANHYDROUS LITHIUM IODIDE [patent_app_type] => utility [patent_app_number] => 18/085804 [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] => 3365 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/085804
METHOD OF PREPARING ANHYDROUS LITHIUM IODIDE Dec 20, 2022 Pending
Array ( [id] => 20386454 [patent_doc_number] => 12486170 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Synthesis method of silicon nitride powder and sintered body [patent_app_type] => utility [patent_app_number] => 18/080016 [patent_app_country] => US [patent_app_date] => 2022-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 1052 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18080016 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/080016
Synthesis method of silicon nitride powder and sintered body Dec 12, 2022 Issued
Array ( [id] => 18405629 [patent_doc_number] => 20230166980 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => GALLIUM-DOPED ZINC OXIDE PARTICLES, FILM CONTAINING GALLIUM-DOPED ZINC OXIDE PARTICLES, TRANSPARENT CONDUCTIVE FILM, ELECTRONIC DEVICE, AND METHOD FOR PRODUCING GALLIUM-DOPED ZINC OXIDE PARTICLES [patent_app_type] => utility [patent_app_number] => 18/075992 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7008 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18075992 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075992
GALLIUM-DOPED ZINC OXIDE PARTICLES, FILM CONTAINING GALLIUM-DOPED ZINC OXIDE PARTICLES, TRANSPARENT CONDUCTIVE FILM, ELECTRONIC DEVICE, AND METHOD FOR PRODUCING GALLIUM-DOPED ZINC OXIDE PARTICLES Dec 5, 2022 Pending
Array ( [id] => 18229545 [patent_doc_number] => 20230068539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => COMPOSITE FILM FRAMEWORK, AND SENSOR, GAS ADSORPTION FILTER, AND GAS REMOVAL DEVICE USING THE COMPOSITE FILM FRAMEWORK [patent_app_type] => utility [patent_app_number] => 17/972632 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17972632 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/972632
COMPOSITE FILM FRAMEWORK, AND SENSOR, GAS ADSORPTION FILTER, AND GAS REMOVAL DEVICE USING THE COMPOSITE FILM FRAMEWORK Oct 24, 2022 Pending
Array ( [id] => 18391112 [patent_doc_number] => 20230159330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => Apparatus and Method for Producing Synthesis Gas [patent_app_type] => utility [patent_app_number] => 18/048801 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18048801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/048801
Apparatus and Method for Producing Synthesis Gas Oct 20, 2022 Pending
Array ( [id] => 19082973 [patent_doc_number] => 20240109774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => MULTIPLE FURNACE CARBON CAPTURE THROUGH FUEL GAS SEPARATION AND HYDROGEN COMBUSTION PRODUCT ELECTROLYSIS [patent_app_type] => utility [patent_app_number] => 17/937081 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17937081 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937081
MULTIPLE FURNACE CARBON CAPTURE THROUGH FUEL GAS SEPARATION AND HYDROGEN COMBUSTION PRODUCT ELECTROLYSIS Sep 29, 2022 Pending
Array ( [id] => 18283172 [patent_doc_number] => 20230098644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SYSTEMS AND METHODS FOR LITHIUM EXTRACTION FROM SEDIMENTARY DEPOSITS [patent_app_type] => utility [patent_app_number] => 17/952158 [patent_app_country] => US [patent_app_date] => 2022-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 17952158 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/952158
SYSTEMS AND METHODS FOR LITHIUM EXTRACTION FROM SEDIMENTARY DEPOSITS Sep 22, 2022 Pending
Array ( [id] => 18230121 [patent_doc_number] => 20230069115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => METHOD OF EXCHANGING ANIONS OF INORGANIC HALIDE PEROVSKITE NANOPARTICLES USING CATIONIC EFFECT [patent_app_type] => utility [patent_app_number] => 17/898805 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898805 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/898805
METHOD OF EXCHANGING ANIONS OF INORGANIC HALIDE PEROVSKITE NANOPARTICLES USING CATIONIC EFFECT Aug 29, 2022 Pending
Array ( [id] => 18596343 [patent_doc_number] => 20230271134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/894990 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9086 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17894990 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/894990
CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS Aug 23, 2022 Abandoned
Array ( [id] => 18222205 [patent_doc_number] => 20230061199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => Method and Apparatus for Producing Carbon Monoxide [patent_app_type] => utility [patent_app_number] => 17/892263 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9095 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17892263 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/892263
Method and Apparatus for Producing Carbon Monoxide Aug 21, 2022 Pending
Array ( [id] => 18281992 [patent_doc_number] => 20230097464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => METHOD FOR RECOVERING LITHIUM FROM LITHIUM-CONTAINING SOLUTION [patent_app_type] => utility [patent_app_number] => 17/868564 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6105 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17868564 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/868564
METHOD FOR RECOVERING LITHIUM FROM LITHIUM-CONTAINING SOLUTION Jul 18, 2022 Pending
Array ( [id] => 17929592 [patent_doc_number] => 20220324717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => PROCESS FOR SELECTIVE ADSORPTION AND RECOVERY OF LITHIUM FROM NATURAL AND SYNTHETIC BRINES [patent_app_type] => utility [patent_app_number] => 17/844689 [patent_app_country] => US [patent_app_date] => 2022-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17844689 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/844689
PROCESS FOR SELECTIVE ADSORPTION AND RECOVERY OF LITHIUM FROM NATURAL AND SYNTHETIC BRINES Jun 19, 2022 Pending
Array ( [id] => 20240826 [patent_doc_number] => 12421133 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Preparation method for 2-4 micrometers battery-grade cobalt tetroxide [patent_app_type] => utility [patent_app_number] => 17/842817 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17842817 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/842817
Preparation method for 2-4 micrometers battery-grade cobalt tetroxide Jun 16, 2022 Issued
Array ( [id] => 18821546 [patent_doc_number] => 20230395887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => RECYCLING SILICON FROM BATTERIES WITH SILICON-BASED ACTIVE MATERIALS [patent_app_type] => utility [patent_app_number] => 17/829855 [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] => 6959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 17829855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/829855
RECYCLING SILICON FROM BATTERIES WITH SILICON-BASED ACTIVE MATERIALS May 31, 2022 Pending
Menu