Search

Lois L. Zheng

Examiner (ID: 7344, Phone: (571)272-1248 , Office: P/1733 )

Most Active Art Unit
1733
Art Unit(s)
1733, 1742, 1793
Total Applications
1150
Issued Applications
663
Pending Applications
150
Abandoned Applications
347

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20007896 [patent_doc_number] => 20250146118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => METHODS TO IMPART COLOR AND DURABLE PROPERTIES TO SUBSTRATES [patent_app_type] => utility [patent_app_number] => 19/018247 [patent_app_country] => US [patent_app_date] => 2025-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7781 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19018247 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/018247
METHODS TO IMPART COLOR AND DURABLE PROPERTIES TO SUBSTRATES Jan 12, 2025 Pending
Array ( [id] => 20059766 [patent_doc_number] => 20250197988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => BLACK OXIDIZED SURFACES [patent_app_type] => utility [patent_app_number] => 18/978192 [patent_app_country] => US [patent_app_date] => 2024-12-12 [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] => -25 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18978192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/978192
BLACK OXIDIZED SURFACES Dec 11, 2024 Pending
Array ( [id] => 19817124 [patent_doc_number] => 20250075331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => Dyed Trivalent Chromium Conversion Coatings and Methods of Using Same [patent_app_type] => utility [patent_app_number] => 18/951989 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8330 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18951989 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/951989
Dyed Trivalent Chromium Conversion Coatings and Methods of Using Same Nov 18, 2024 Pending
Array ( [id] => 20144344 [patent_doc_number] => 12378675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Conversion coating application system including hydrogels and methods of using same [patent_app_type] => utility [patent_app_number] => 18/735845 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3639 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735845 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735845
Conversion coating application system including hydrogels and methods of using same Jun 5, 2024 Issued
Array ( [id] => 19932091 [patent_doc_number] => 12305290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Conversion coating application system including hydrogels and methods of using same [patent_app_type] => utility [patent_app_number] => 18/735783 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3522 [patent_no_of_claims] => 72 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735783 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735783
Conversion coating application system including hydrogels and methods of using same Jun 5, 2024 Issued
Array ( [id] => 20144343 [patent_doc_number] => 12378674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Conversion coating application system including hydrogels and methods of using same [patent_app_type] => utility [patent_app_number] => 18/735822 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3522 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735822 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735822
Conversion coating application system including hydrogels and methods of using same Jun 5, 2024 Issued
Array ( [id] => 20445526 [patent_doc_number] => 20260002243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => METHOD OF MANUFACTURING ALUMINUM ALLOY SHEET FOR CAN LID [patent_app_type] => utility [patent_app_number] => 19/106812 [patent_app_country] => US [patent_app_date] => 2024-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 19106812 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/106812
METHOD OF MANUFACTURING ALUMINUM ALLOY SHEET FOR CAN LID Apr 15, 2024 Pending
Array ( [id] => 20459687 [patent_doc_number] => 20260009110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => ALUMINUM ALLOY SHEET FOR CAN LID [patent_app_type] => utility [patent_app_number] => 19/104012 [patent_app_country] => US [patent_app_date] => 2024-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19104012 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/104012
ALUMINUM ALLOY SHEET FOR CAN LID Apr 15, 2024 Pending
Array ( [id] => 19449353 [patent_doc_number] => 20240309483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => HIGH STRENGTH GALVANIZED AND GALVANNEALED STEEL SHEETS AND MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 18/604910 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5704 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604910 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604910
HIGH STRENGTH GALVANIZED AND GALVANNEALED STEEL SHEETS AND MANUFACTURING METHOD Mar 13, 2024 Pending
Array ( [id] => 20024729 [patent_doc_number] => 20250162951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METAL-CERAMIC SUBSTRATE HAVING DOUBLE BRAZING LAYERS AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/432217 [patent_app_country] => US [patent_app_date] => 2024-02-05 [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] => -8 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18432217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/432217
METAL-CERAMIC SUBSTRATE HAVING DOUBLE BRAZING LAYERS AND METHOD FOR MANUFACTURING THE SAME Feb 4, 2024 Pending
Array ( [id] => 19479902 [patent_doc_number] => 20240327944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => PROCESS FOR DIRECT PRODUCTION OF A TRIP STEEL STRIP IN AN INTEGRATED CASTING-ROLLING PLANT AND A TRIP STEEL STRIP PRODUCED BY THE PROCESS [patent_app_type] => utility [patent_app_number] => 18/411282 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18411282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/411282
PROCESS FOR DIRECT PRODUCTION OF A TRIP STEEL STRIP IN AN INTEGRATED CASTING-ROLLING PLANT AND A TRIP STEEL STRIP PRODUCED BY THE PROCESS Jan 11, 2024 Pending
Array ( [id] => 19218293 [patent_doc_number] => 20240182997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => HOT DIP GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME [patent_app_type] => utility [patent_app_number] => 18/410064 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 737 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410064
HOT DIP GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME Jan 10, 2024 Pending
Array ( [id] => 19298415 [patent_doc_number] => 20240226982 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/400580 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18400580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400580
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF Dec 28, 2023 Pending
Array ( [id] => 19298415 [patent_doc_number] => 20240226982 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/400580 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18400580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400580
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF Dec 28, 2023 Pending
Array ( [id] => 20505272 [patent_doc_number] => 12539534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Aluminum coated blank and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 18/400526 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11866 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 364 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400526 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400526
Aluminum coated blank and manufacturing method thereof Dec 28, 2023 Issued
Array ( [id] => 20179884 [patent_doc_number] => 20250263842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => AQUEOUS SURFACE TREATMENT AGENT AND SURFACE-TREATED METAL [patent_app_type] => utility [patent_app_number] => 19/119702 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19119702 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/119702
Aqueous surface treatment agent and surface-treated metal Dec 12, 2023 Issued
Array ( [id] => 19270156 [patent_doc_number] => 20240213862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => HEAT TREATMENT FURNACE AND HEAT TREATMENT METHOD [patent_app_type] => utility [patent_app_number] => 18/531088 [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] => 11126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18531088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/531088
HEAT TREATMENT FURNACE AND HEAT TREATMENT METHOD Dec 5, 2023 Pending
Array ( [id] => 19172925 [patent_doc_number] => 20240158899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => SURFACE ATTRITION TREATMENT, COMPOSITIONS, AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/388317 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388317 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388317
SURFACE ATTRITION TREATMENT, COMPOSITIONS, AND METHODS OF USE THEREOF Nov 8, 2023 Pending
Array ( [id] => 20007940 [patent_doc_number] => 20250146162 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => DEVELOPMENT OF WATER-REPELLENT STAINLESS STEEL (SUS 316L) SURFACE BY STEPWISE ANODIZING TECHNIQUE [patent_app_type] => utility [patent_app_number] => 18/386787 [patent_app_country] => US [patent_app_date] => 2023-11-03 [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] => -14 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18386787 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386787
DEVELOPMENT OF WATER-REPELLENT STAINLESS STEEL (SUS 316L) SURFACE BY STEPWISE ANODIZING TECHNIQUE Nov 2, 2023 Pending
Array ( [id] => 19232743 [patent_doc_number] => 20240189935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => ALUMINUM LITHIUM ALLOY AND ALUMINUM COPPER ALLOY PARTS PRODUCED USING SOLID STATE MANUFACTURING [patent_app_type] => utility [patent_app_number] => 18/385720 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11873 [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] => 18385720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385720
ALUMINUM LITHIUM ALLOY AND ALUMINUM COPPER ALLOY PARTS PRODUCED USING SOLID STATE MANUFACTURING Oct 30, 2023 Pending
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