Search

Davis D. Hwu

Examiner (ID: 13688, Phone: (571)272-4904 , Office: P/3744 )

Most Active Art Unit
3752
Art Unit(s)
3763, 3752, 3744, 3753
Total Applications
3218
Issued Applications
2525
Pending Applications
143
Abandoned Applications
580

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20426914 [patent_doc_number] => 20250389002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF [patent_app_type] => utility [patent_app_number] => 19/311171 [patent_app_country] => US [patent_app_date] => 2025-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 19311171 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/311171
NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF Aug 26, 2025 Pending
Array ( [id] => 20593940 [patent_doc_number] => 12577644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Methods for producing alloy tools [patent_app_type] => utility [patent_app_number] => 19/270504 [patent_app_country] => US [patent_app_date] => 2025-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4148 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19270504 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/270504
Methods for producing alloy tools Jul 15, 2025 Issued
Array ( [id] => 20499249 [patent_doc_number] => 20260028707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => RAIL WELDING TRANSITION MATERIAL RESISTANT TO STRESS CORROSION DAMAGE AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 19/258779 [patent_app_country] => US [patent_app_date] => 2025-07-02 [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] => -5 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19258779 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/258779
RAIL WELDING TRANSITION MATERIAL RESISTANT TO STRESS CORROSION DAMAGE AND PREPARATION METHOD THEREOF Jul 1, 2025 Pending
Array ( [id] => 19684499 [patent_doc_number] => 20250003044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => METHOD FOR PRODUCING MAGNESIUM ALLOY [patent_app_type] => utility [patent_app_number] => 18/883519 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5446 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18883519 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883519
METHOD FOR PRODUCING MAGNESIUM ALLOY Sep 11, 2024 Pending
Array ( [id] => 19800950 [patent_doc_number] => 20250066875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL [patent_app_type] => utility [patent_app_number] => 18/811789 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18811789 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811789
ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL Aug 21, 2024 Pending
Array ( [id] => 19433032 [patent_doc_number] => 20240301530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROALLOY FROM CHROMITE ORE [patent_app_type] => utility [patent_app_number] => 18/647591 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18647591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647591
METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROALLOY FROM CHROMITE ORE Apr 25, 2024 Pending
Array ( [id] => 19361231 [patent_doc_number] => 20240263265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => HIGH STRENGTH STEEL PRODUCTS AND ANNEALING PROCESSES FOR MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 18/640780 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18640780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/640780
HIGH STRENGTH STEEL PRODUCTS AND ANNEALING PROCESSES FOR MAKING THE SAME Apr 18, 2024 Pending
Array ( [id] => 20715669 [patent_doc_number] => 12630908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Multiphase ultra-high strength hot rolled steel [patent_app_type] => utility [patent_app_number] => 18/641029 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 2726 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18641029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/641029
Multiphase ultra-high strength hot rolled steel Apr 18, 2024 Issued
Array ( [id] => 20059741 [patent_doc_number] => 20250197963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => METHOD OF USING A CHLORINATION METHOD TO RECYCLE METAL ELEMENTS IN LITHIUM BATTERIES [patent_app_type] => utility [patent_app_number] => 18/639474 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18639474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639474
Method of using a chlorination method to recycle metal elements in lithium batteries Apr 17, 2024 Issued
Array ( [id] => 19379904 [patent_doc_number] => 20240269774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => ALUMINUM-CERIUM-NICKEL ALLOYS FOR ADDITIVE MANUFACTURING [patent_app_type] => utility [patent_app_number] => 18/633192 [patent_app_country] => US [patent_app_date] => 2024-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11645 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18633192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/633192
ALUMINUM-CERIUM-NICKEL ALLOYS FOR ADDITIVE MANUFACTURING Apr 10, 2024 Pending
Array ( [id] => 19991231 [patent_doc_number] => 20250129453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => A-TYPE TITANIUM ALLOY AND ITS PREPARATION METHOD [patent_app_type] => utility [patent_app_number] => 18/617649 [patent_app_country] => US [patent_app_date] => 2024-03-27 [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] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18617649 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/617649
A-TYPE TITANIUM ALLOY AND ITS PREPARATION METHOD Mar 26, 2024 Abandoned
Array ( [id] => 19449357 [patent_doc_number] => 20240309487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Systems and Methods for Modifying Metal Feedstock Material [patent_app_type] => utility [patent_app_number] => 18/604340 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604340 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604340
Systems and Methods for Modifying Metal Feedstock Material Mar 12, 2024 Pending
Array ( [id] => 19345641 [patent_doc_number] => 20240254604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => ALLOY COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/602344 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18602344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602344
Alloy compositions Mar 11, 2024 Issued
Array ( [id] => 19332913 [patent_doc_number] => 20240247343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => HIGH STRENGTH, COMBUSTION-RESISTANT, TUBE-EXTRUDABLE AIRCRAFT-GRADE MAGNESIUM ALLOY [patent_app_type] => utility [patent_app_number] => 18/587871 [patent_app_country] => US [patent_app_date] => 2024-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587871 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/587871
HIGH STRENGTH, COMBUSTION-RESISTANT, TUBE-EXTRUDABLE AIRCRAFT-GRADE MAGNESIUM ALLOY Feb 25, 2024 Pending
Array ( [id] => 20011445 [patent_doc_number] => 20250149667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => METHOD OF TARGETED RECYCLING OF WASTE BATTERIES [patent_app_type] => utility [patent_app_number] => 18/583590 [patent_app_country] => US [patent_app_date] => 2024-02-21 [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] => -9 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18583590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/583590
METHOD OF TARGETED RECYCLING OF WASTE BATTERIES Feb 20, 2024 Pending
Array ( [id] => 19234136 [patent_doc_number] => 20240191329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TWB WELDING CHARACTERISTICS, HOT FORMING MEMBER, AND MANUFACTURING METHODS THEREFOR [patent_app_type] => utility [patent_app_number] => 18/444558 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18444558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444558
AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TWB WELDING CHARACTERISTICS, HOT FORMING MEMBER, AND MANUFACTURING METHODS THEREFOR Feb 15, 2024 Issued
Array ( [id] => 19381388 [patent_doc_number] => 20240271258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => Fe-Co ALLOY FOR SOFT MAGNETIC MEMBER, AND SOFT MAGNETIC MEMBER USING SAME [patent_app_type] => utility [patent_app_number] => 18/431124 [patent_app_country] => US [patent_app_date] => 2024-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18431124 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/431124
Fe-Co ALLOY FOR SOFT MAGNETIC MEMBER, AND SOFT MAGNETIC MEMBER USING SAME Feb 1, 2024 Pending
Array ( [id] => 19300623 [patent_doc_number] => 20240229192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => PROCESS FOR RECOVERING SILVER FROM SCRAP PHOTOVOLTAIC CELLS [patent_app_type] => utility [patent_app_number] => 18/408984 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408984 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408984
PROCESS FOR RECOVERING SILVER FROM SCRAP PHOTOVOLTAIC CELLS Jan 9, 2024 Pending
Array ( [id] => 19096914 [patent_doc_number] => 20240116141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => Hot-Formed Previously Welded Steel Part with very High Mechanical Resistance and Production Method [patent_app_type] => utility [patent_app_number] => 18/391841 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7892 [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] => 18391841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/391841
Hot-Formed Previously Welded Steel Part with very High Mechanical Resistance and Production Method Dec 20, 2023 Pending
Array ( [id] => 19070944 [patent_doc_number] => 20240105370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => High-entropy Soft Magnetic Alloy with 900 K High-temperature Resistance [patent_app_type] => utility [patent_app_number] => 18/530485 [patent_app_country] => US [patent_app_date] => 2023-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3634 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18530485 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/530485
High-entropy Soft Magnetic Alloy with 900 K High-temperature Resistance Dec 5, 2023 Pending
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