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] => 18406169 [patent_doc_number] => 20230167520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => S32750 Austenitic Ferrite Super Duplex Stainless Steel Seamless Pipe for Deep Sea Manifold and Method for Preparing Same [patent_app_type] => utility [patent_app_number] => 18/058879 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18058879 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/058879
S32750 austenitic ferrite super duplex stainless steel seamless pipe for deep sea manifold and method for preparing same Nov 27, 2022 Issued
Array ( [id] => 19497969 [patent_doc_number] => 20240336987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => STEEL PLATE HAVING EXCELLENT HEAT AFFECTED ZONE TOUGHNESS AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 18/293195 [patent_app_country] => US [patent_app_date] => 2022-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18293195 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/293195
STEEL PLATE HAVING EXCELLENT HEAT AFFECTED ZONE TOUGHNESS AND METHOD FOR MANUFACTURING SAME Nov 24, 2022 Pending
Array ( [id] => 18269860 [patent_doc_number] => 20230091102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => Method for synergistically preparing Ferrosilicon alloy and glass-ceramics from photovoltaic waste slag and non-ferrous metal smelting iron slag [patent_app_type] => utility [patent_app_number] => 17/993844 [patent_app_country] => US [patent_app_date] => 2022-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17993844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/993844
Method for synergistically preparing Ferrosilicon alloy and glass-ceramics from photovoltaic waste slag and non-ferrous metal smelting iron slag Nov 22, 2022 Issued
Array ( [id] => 19565017 [patent_doc_number] => 12139779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Steel sheet with excellent bake hardening properties and corrosion resistance and method for manufacturing same [patent_app_type] => utility [patent_app_number] => 17/992245 [patent_app_country] => US [patent_app_date] => 2022-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8310 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17992245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/992245
Steel sheet with excellent bake hardening properties and corrosion resistance and method for manufacturing same Nov 21, 2022 Issued
Array ( [id] => 19823648 [patent_doc_number] => 20250081855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => ONE-DIMENSIONAL METAL-DOPED PEROSKITE-TYPE NIOBATE PIEZOELECTRIC MATERIAL AND PREPARATION METHOD AND USE THEREOF, FLEXIBLE ACOUSTIC SENSITIVE DEVICE AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/273593 [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] => 6929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18273593 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273593
ONE-DIMENSIONAL METAL-DOPED PEROSKITE-TYPE NIOBATE PIEZOELECTRIC MATERIAL AND PREPARATION METHOD AND USE THEREOF, FLEXIBLE ACOUSTIC SENSITIVE DEVICE AND PREPARATION METHOD THEREOF Oct 20, 2022 Pending
Array ( [id] => 19701812 [patent_doc_number] => 12195828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Cobalt-based alloy product and method for producing cobalt-based alloy product [patent_app_type] => utility [patent_app_number] => 17/954052 [patent_app_country] => US [patent_app_date] => 2022-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6411 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17954052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/954052
Cobalt-based alloy product and method for producing cobalt-based alloy product Sep 26, 2022 Issued
Array ( [id] => 19528664 [patent_doc_number] => 20240352566 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => STEEL MATERIAL [patent_app_type] => utility [patent_app_number] => 18/687374 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20540 [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] => 18687374 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/687374
STEEL MATERIAL Sep 21, 2022 Pending
Array ( [id] => 18310262 [patent_doc_number] => 20230114162 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Dispersoids 7XXX Alloy Products With Enhanced Environmentally Assisted Cracking and Fatigue Crack Growth Deviation Resistance [patent_app_type] => utility [patent_app_number] => 17/933633 [patent_app_country] => US [patent_app_date] => 2022-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5305 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17933633 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/933633
Dispersoids 7XXX alloy products with enhanced environmentally assisted cracking and fatigue crack growth deviation resistance Sep 19, 2022 Issued
Array ( [id] => 19332911 [patent_doc_number] => 20240247341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => TITANIUM-BASED ALLOY AND ARTICLE MANUFACTURED FROM SAME [patent_app_type] => utility [patent_app_number] => 18/693978 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18693978 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/693978
TITANIUM-BASED ALLOY AND ARTICLE MANUFACTURED FROM SAME Sep 18, 2022 Pending
Array ( [id] => 19600099 [patent_doc_number] => 20240390979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => METHOD FOR THE ADDITIVE MANUFACTURE OF A COPPER OBJECT [patent_app_type] => utility [patent_app_number] => 18/695197 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18695197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/695197
METHOD FOR THE ADDITIVE MANUFACTURE OF A COPPER OBJECT Sep 18, 2022 Pending
Array ( [id] => 19586821 [patent_doc_number] => 20240384378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => HOT-ROLLED STEEL SHEET [patent_app_type] => utility [patent_app_number] => 18/689095 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 499 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18689095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/689095
HOT-ROLLED STEEL SHEET Sep 13, 2022 Pending
Array ( [id] => 19004002 [patent_doc_number] => 20240068073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => REINFORCED METAL MATRIX COMPOSITES AND METHODS OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 17/823704 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17823704 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/823704
Reinforced metal matrix composites and methods of making the same Aug 30, 2022 Issued
Array ( [id] => 18485385 [patent_doc_number] => 20230212722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => ALLOY PARTICLES [patent_app_type] => utility [patent_app_number] => 17/822551 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17822551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/822551
ALLOY PARTICLES Aug 25, 2022 Abandoned
Array ( [id] => 19556930 [patent_doc_number] => 20240368722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 18/683857 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14993 [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] => 18683857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/683857
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME Aug 14, 2022 Pending
Array ( [id] => 20193961 [patent_doc_number] => 20250270671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => METHOD FOR METAL PRODUCTION [patent_app_type] => utility [patent_app_number] => 18/681736 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18681736 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/681736
METHOD FOR METAL PRODUCTION Aug 9, 2022 Pending
Array ( [id] => 18183148 [patent_doc_number] => 20230043878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Cast Alloy [patent_app_type] => utility [patent_app_number] => 17/876661 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17876661 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/876661
Cast Alloy Jul 28, 2022 Pending
Array ( [id] => 19181282 [patent_doc_number] => 11987866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Alloy and fabrication thereof [patent_app_type] => utility [patent_app_number] => 17/871011 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2778 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17871011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/871011
Alloy and fabrication thereof Jul 21, 2022 Issued
Array ( [id] => 17981761 [patent_doc_number] => 20220347797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => Hot-Formed Previously Welded Steel Part with very High Mechanical Resistance and Production Method [patent_app_type] => utility [patent_app_number] => 17/868040 [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] => 7893 [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] => 17868040 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/868040
Hot-Formed Previously Welded Steel Part with very High Mechanical Resistance and Production Method Jul 18, 2022 Abandoned
Array ( [id] => 20678544 [patent_doc_number] => 20260117356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => LIQUID COOLING OF A STRIP RUNNING IN A CONTINUOUS LINE [patent_app_type] => utility [patent_app_number] => 18/578388 [patent_app_country] => US [patent_app_date] => 2022-07-04 [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] => -2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18578388 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/578388
LIQUID COOLING OF A STRIP RUNNING IN A CONTINUOUS LINE Jul 3, 2022 Pending
Array ( [id] => 18125273 [patent_doc_number] => 20230010888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => Vacuum Smelting of Sorted Aluminum [patent_app_type] => utility [patent_app_number] => 17/852969 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17852969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/852969
Vacuum Smelting of Sorted Aluminum Jun 28, 2022 Abandoned
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