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] => 20593941 [patent_doc_number] => 12577645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Non-magnetic austenitic stainless steel material and production method therefor [patent_app_type] => utility [patent_app_number] => 18/142803 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1526 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/142803
Non-magnetic austenitic stainless steel material and production method therefor May 2, 2023 Issued
Array ( [id] => 19778798 [patent_doc_number] => 12227822 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Hot-dip coated steel substrate [patent_app_type] => utility [patent_app_number] => 18/142197 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3160 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/142197
Hot-dip coated steel substrate May 1, 2023 Issued
Array ( [id] => 18740055 [patent_doc_number] => 20230349031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => LOW NI-CONTAINING STEEL ALLOYS WITH HYDROGEN DEGRADATION RESISTANCE [patent_app_type] => utility [patent_app_number] => 18/141052 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3615 [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] => 18141052 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/141052
LOW NI-CONTAINING STEEL ALLOYS WITH HYDROGEN DEGRADATION RESISTANCE Apr 27, 2023 Pending
Array ( [id] => 19034607 [patent_doc_number] => 20240084422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => HOT-DIP PLATED STEEL MATERIAL [patent_app_type] => utility [patent_app_number] => 18/285460 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285460
HOT-DIP PLATED STEEL MATERIAL Mar 22, 2023 Pending
Array ( [id] => 19332922 [patent_doc_number] => 20240247352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => STAINLESS STEEL ALLOYS, TURBOCHARGER COMPONENTS FORMED FROM THE STAINLESS STEEL ALLOYS, AND METHODS FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/182025 [patent_app_country] => US [patent_app_date] => 2023-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18182025 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/182025
STAINLESS STEEL ALLOYS, TURBOCHARGER COMPONENTS FORMED FROM THE STAINLESS STEEL ALLOYS, AND METHODS FOR MANUFACTURING THE SAME Mar 9, 2023 Abandoned
Array ( [id] => 19457985 [patent_doc_number] => 12098466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Carburized steel component and carburization process [patent_app_type] => utility [patent_app_number] => 18/180318 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5213 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180318 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180318
Carburized steel component and carburization process Mar 7, 2023 Issued
Array ( [id] => 18511743 [patent_doc_number] => 20230227932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => MATERIAL FOR HOT STAMPING AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/115459 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18115459 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/115459
Material for hot stamping and method of manufacturing the same Feb 27, 2023 Issued
Array ( [id] => 20241273 [patent_doc_number] => 12421582 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Stainless steel [patent_app_type] => utility [patent_app_number] => 18/112343 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 488 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18112343 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112343
Stainless steel Feb 20, 2023 Issued
Array ( [id] => 18831184 [patent_doc_number] => 20230399710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => PROCESSES FOR PURIFYING IRON-BEARING MATERIALS [patent_app_type] => utility [patent_app_number] => 18/165186 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21133 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18165186 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165186
PROCESSES FOR PURIFYING IRON-BEARING MATERIALS Feb 5, 2023 Pending
Array ( [id] => 18536770 [patent_doc_number] => 20230241861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => CUSTOM ADDITIVELY MANUFACTURED CORE STRUCTURES [patent_app_type] => utility [patent_app_number] => 18/102043 [patent_app_country] => US [patent_app_date] => 2023-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18102043 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/102043
CUSTOM ADDITIVELY MANUFACTURED CORE STRUCTURES Jan 25, 2023 Pending
Array ( [id] => 18567519 [patent_doc_number] => 20230257854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => METHOD AND DEVICE FOR ACCURATELY CONTROLLING REDUCTION VALENCE STATE OF HIGH-PURITY VANADIUM PENTOXIDE [patent_app_type] => utility [patent_app_number] => 18/157014 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18157014 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/157014
METHOD AND DEVICE FOR ACCURATELY CONTROLLING REDUCTION VALENCE STATE OF HIGH-PURITY VANADIUM PENTOXIDE Jan 18, 2023 Abandoned
Array ( [id] => 18391829 [patent_doc_number] => 20230160047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => FE-BASED NANOCRYSTALLINE ALLOY AND ELECTRONIC COMPONENT USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/094666 [patent_app_country] => US [patent_app_date] => 2023-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3903 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18094666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/094666
Fe-based nanocrystalline alloy and electronic component using the same Jan 8, 2023 Issued
Array ( [id] => 18348962 [patent_doc_number] => 20230137073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => HIGH STRENGTH AND WEAR RESISTANT MULTI-ELEMENT COPPER ALLOY AND ARTICLE COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/089918 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18089918 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/089918
High strength and wear resistant multi-element copper alloy and article comprising the same Dec 27, 2022 Issued
Array ( [id] => 19361235 [patent_doc_number] => 20240263269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => IMPROVED METHOD FOR RECYCLING ZINC (ZN) [patent_app_type] => utility [patent_app_number] => 18/572408 [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] => 7356 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18572408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/572408
Method for recycling zinc (Zn) Dec 20, 2022 Issued
Array ( [id] => 19631581 [patent_doc_number] => 20240410030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => ULTRATHICK STEEL MATERIALS FOR FLANGE HAVING EXCELLENT STRENGTH AND LOW TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/701814 [patent_app_country] => US [patent_app_date] => 2022-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18701814 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/701814
ULTRATHICK STEEL MATERIALS FOR FLANGE HAVING EXCELLENT STRENGTH AND LOW TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD THEREFOR Dec 18, 2022 Pending
Array ( [id] => 18452160 [patent_doc_number] => 20230193439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ARTICLES FABRICATED FROM COLD-WORKED AND CASE-HARDENED ESSENTIALLY CO-FREE STAINLESS STEEL ALLOYS AND METHODS OF FABRICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/083261 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8437 [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] => 18083261 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083261
Articles fabricated from cold-worked and case- hardened essentially co-free stainless steel alloys and methods of fabrication thereof Dec 15, 2022 Issued
Array ( [id] => 18514476 [patent_doc_number] => 20230230732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => Permanent Magnet Material [patent_app_type] => utility [patent_app_number] => 18/081932 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18081932 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/081932
Permanent Magnet Material Dec 14, 2022 Abandoned
Array ( [id] => 18307943 [patent_doc_number] => 20230111843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => STEEL SHEET FOR HOT STAMPING AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/079529 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9707 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18079529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/079529
STEEL SHEET FOR HOT STAMPING AND METHOD OF MANUFACTURING THE SAME Dec 11, 2022 Abandoned
Array ( [id] => 18420643 [patent_doc_number] => 20230175106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => STEEL MATERIAL [patent_app_type] => utility [patent_app_number] => 18/076653 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8336 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18076653 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/076653
STEEL MATERIAL Dec 6, 2022 Abandoned
Array ( [id] => 18643511 [patent_doc_number] => 11767572 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-26 [patent_title] => Alloy steel having excellent hydrogen embrittlement resistance and strength and method of manufacturing same [patent_app_type] => utility [patent_app_number] => 18/072382 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7878 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18072382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/072382
Alloy steel having excellent hydrogen embrittlement resistance and strength and method of manufacturing same Nov 29, 2022 Issued
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