Search

Keith D. Walker

Supervisory Patent Examiner (ID: 17867, Phone: (571)272-3458 , Office: P/1735 )

Most Active Art Unit
1735
Art Unit(s)
1735, 1795, 1726, 1745
Total Applications
568
Issued Applications
152
Pending Applications
56
Abandoned Applications
363

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18488676 [patent_doc_number] => 20230216024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/927473 [patent_app_country] => US [patent_app_date] => 2021-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10540 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17927473 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/927473
POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Apr 19, 2021 Pending
Array ( [id] => 17262530 [patent_doc_number] => 20210375515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/219995 [patent_app_country] => US [patent_app_date] => 2021-04-01 [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] => -13 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17219995 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/219995
RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF Mar 31, 2021 Abandoned
Array ( [id] => 18350009 [patent_doc_number] => 20230138120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => HEAT TREATMENT METHOD FOR BATTERY WASTE AND LITHIUM RECOVERY METHOD [patent_app_type] => utility [patent_app_number] => 17/907917 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17907917 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/907917
HEAT TREATMENT METHOD FOR BATTERY WASTE AND LITHIUM RECOVERY METHOD Mar 29, 2021 Abandoned
Array ( [id] => 16853996 [patent_doc_number] => 20210154741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => Three-Dimensional Powder Bed Fusion Additive Manufacturing Method and Three-Dimensional Powder Bed Fusion Additive Manufacturing Apparatus [patent_app_type] => utility [patent_app_number] => 17/013916 [patent_app_country] => US [patent_app_date] => 2020-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17013916 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/013916
Three-Dimensional Powder Bed Fusion Additive Manufacturing Method and Three-Dimensional Powder Bed Fusion Additive Manufacturing Apparatus Sep 7, 2020 Abandoned
Array ( [id] => 17841261 [patent_doc_number] => 20220278567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => MOTOR, DRIVE SYSTEM, VACUUM CLEANER, UNMANNED FLIGHT VEHICLE, AND ELECTRIC AIRCRAFT [patent_app_type] => utility [patent_app_number] => 17/634562 [patent_app_country] => US [patent_app_date] => 2020-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5477 [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] => 17634562 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/634562
MOTOR, DRIVE SYSTEM, VACUUM CLEANER, UNMANNED FLIGHT VEHICLE, AND ELECTRIC AIRCRAFT Aug 24, 2020 Abandoned
Array ( [id] => 17981710 [patent_doc_number] => 20220347746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => METHOD FOR REFINING LARGE-PARTICLE-SIZE PURE COPPER OR COPPER ALLOY PARTICLES BY HIGH-ENERGY BALL MILLING [patent_app_type] => utility [patent_app_number] => 17/638198 [patent_app_country] => US [patent_app_date] => 2020-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3420 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17638198 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/638198
METHOD FOR REFINING LARGE-PARTICLE-SIZE PURE COPPER OR COPPER ALLOY PARTICLES BY HIGH-ENERGY BALL MILLING Aug 24, 2020 Pending
Array ( [id] => 16990658 [patent_doc_number] => 20210229078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => Combination of Pseudobrookite Oxide and Low Loading of PGM as High Sulfur-Resistant Catalyst for Diesel Oxidation Applications [patent_app_type] => utility [patent_app_number] => 16/841955 [patent_app_country] => US [patent_app_date] => 2020-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16841955 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/841955
Combination of Pseudobrookite Oxide and Low Loading of PGM as High Sulfur-Resistant Catalyst for Diesel Oxidation Applications Apr 6, 2020 Abandoned
Array ( [id] => 17005991 [patent_doc_number] => 20210237152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => Method And System For Recycling Metal Products Using QR Codes [patent_app_type] => utility [patent_app_number] => 16/781128 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1616 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16781128 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781128
Method And System For Recycling Metal Products Using QR Codes Feb 3, 2020 Abandoned
Array ( [id] => 16013761 [patent_doc_number] => 20200181723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => METHOD FOR THERMAL PROCESSING BULLETS [patent_app_type] => utility [patent_app_number] => 16/706616 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2490 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16706616 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/706616
Method for thermal processing bullets Dec 5, 2019 Issued
Array ( [id] => 15564057 [patent_doc_number] => 20200066440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => POWDER MOLDING APPARATUS AND MANUFACTURE OF RARE EARTH SINTERED MAGNET USING THE APPARATUS [patent_app_type] => utility [patent_app_number] => 16/666726 [patent_app_country] => US [patent_app_date] => 2019-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16666726 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/666726
POWDER MOLDING APPARATUS AND MANUFACTURE OF RARE EARTH SINTERED MAGNET USING THE APPARATUS Oct 28, 2019 Abandoned
Array ( [id] => 16656463 [patent_doc_number] => 20210053099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => METHOD FOR MANUFACTURING COLD-FORGED, EXTRUDED ALUMINUM ALLOY TUBE [patent_app_type] => utility [patent_app_number] => 16/546433 [patent_app_country] => US [patent_app_date] => 2019-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2833 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 479 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16546433 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/546433
Method for manufacturing cold-forged, extruded aluminum alloy tube Aug 20, 2019 Issued
Array ( [id] => 17110671 [patent_doc_number] => 20210291268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => METHOD FOR OBTAINING A BRASS BILLET WITH REDUCED LEAD CONTENT AND THE BILLET THUS OBTAINED [patent_app_type] => utility [patent_app_number] => 17/264513 [patent_app_country] => US [patent_app_date] => 2019-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1127 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17264513 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/264513
METHOD FOR OBTAINING A BRASS BILLET WITH REDUCED LEAD CONTENT AND THE BILLET THUS OBTAINED Aug 4, 2019 Pending
Array ( [id] => 15829645 [patent_doc_number] => 20200130104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => LASER REMELTING TREATMENT METHOD FOR SURFACE OF ALUMINUM ALLOY [patent_app_type] => utility [patent_app_number] => 16/451142 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16451142 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/451142
LASER REMELTING TREATMENT METHOD FOR SURFACE OF ALUMINUM ALLOY Jun 24, 2019 Abandoned
Array ( [id] => 15265503 [patent_doc_number] => 20190381485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => NITROGEN CONTAINING BIOPOLYMER-BASED CATALYSTS, A PROCESS FOR THEIR PREPARATION AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 16/446282 [patent_app_country] => US [patent_app_date] => 2019-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16446282 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/446282
NITROGEN CONTAINING BIOPOLYMER-BASED CATALYSTS, A PROCESS FOR THEIR PREPARATION AND USES THEREOF Jun 18, 2019 Abandoned
Array ( [id] => 15406277 [patent_doc_number] => 20200023460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => METHOD OF DIFFUSION BONDING [patent_app_type] => utility [patent_app_number] => 16/445359 [patent_app_country] => US [patent_app_date] => 2019-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16445359 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/445359
METHOD OF DIFFUSION BONDING Jun 18, 2019 Abandoned
Array ( [id] => 15148547 [patent_doc_number] => 20190352751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => STEEL FOR DIE-CASTING DIE AND DIE-CASTING DIE [patent_app_type] => utility [patent_app_number] => 16/409467 [patent_app_country] => US [patent_app_date] => 2019-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16409467 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/409467
STEEL FOR DIE-CASTING DIE AND DIE-CASTING DIE May 9, 2019 Abandoned
Array ( [id] => 16344023 [patent_doc_number] => 20200308673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => LOW GOLD JEWELRY ALLOY [patent_app_type] => utility [patent_app_number] => 16/371986 [patent_app_country] => US [patent_app_date] => 2019-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1423 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16371986 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/371986
LOW GOLD JEWELRY ALLOY Mar 31, 2019 Abandoned
Array ( [id] => 16342235 [patent_doc_number] => 20200306885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => METHODS FOR FORMING GRADIENT METALLIC BODIES VIA ADDITIVE MANUFACTURING [patent_app_type] => utility [patent_app_number] => 16/371520 [patent_app_country] => US [patent_app_date] => 2019-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16371520 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/371520
METHODS FOR FORMING GRADIENT METALLIC BODIES VIA ADDITIVE MANUFACTURING Mar 31, 2019 Abandoned
Array ( [id] => 14897735 [patent_doc_number] => 20190292633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => HIGH ENTROPY ALLOY FOR EXTERNAL COMPONENTS [patent_app_type] => utility [patent_app_number] => 16/271925 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16271925 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/271925
HIGH ENTROPY ALLOY FOR EXTERNAL COMPONENTS Feb 10, 2019 Abandoned
Array ( [id] => 14579509 [patent_doc_number] => 20190217363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => Alloys And Methods To Develop Yield Strength Distributions During Formation Of Metal Parts [patent_app_type] => utility [patent_app_number] => 16/229584 [patent_app_country] => US [patent_app_date] => 2018-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16229584 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/229584
Alloys And Methods To Develop Yield Strength Distributions During Formation Of Metal Parts Dec 20, 2018 Abandoned
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