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] => 18710035 [patent_doc_number] => 20230332657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => SYSTEM AND METHOD OF MAKING AN ENHANCED BRAKE ROTOR WITH IMPROVED CORROSION RESISTANCE [patent_app_type] => utility [patent_app_number] => 17/721654 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17721654 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/721654
System and method of making an enhanced brake rotor with improved corrosion resistance Apr 14, 2022 Issued
Array ( [id] => 19300629 [patent_doc_number] => 20240229198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => ALUMINUM ALLOY SHEET FOR BEVERAGE CAN BODY [patent_app_type] => utility [patent_app_number] => 18/559093 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18559093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/559093
ALUMINUM ALLOY SHEET FOR BEVERAGE CAN BODY Mar 27, 2022 Pending
Array ( [id] => 18658168 [patent_doc_number] => 20230304161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => APPLICATION OF TYPE II CHEMICAL CONVERSION COATINGS (CCCS) USING FOAMING AGENTS [patent_app_type] => utility [patent_app_number] => 17/704769 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4149 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17704769 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/704769
Application of type II chemical conversion coatings (CCCS) using foaming agents Mar 24, 2022 Issued
Array ( [id] => 17867545 [patent_doc_number] => 20220290281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => METHOD OF MANUFACTURING ALUMINUM ALLOY FORGED MATERIAL [patent_app_type] => utility [patent_app_number] => 17/650682 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650682 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650682
Method of manufacturing aluminum alloy forged material Feb 10, 2022 Issued
Array ( [id] => 18478539 [patent_doc_number] => 11692272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Coated metal, coating-forming treatment solution, and method for producing coated metal [patent_app_type] => utility [patent_app_number] => 17/667029 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 9060 [patent_no_of_claims] => 1 [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] => 17667029 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667029
Coated metal, coating-forming treatment solution, and method for producing coated metal Feb 7, 2022 Issued
Array ( [id] => 17883143 [patent_doc_number] => 20220298620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => ENHANCED OXIDATION WITH HYDROGEN RADICAL PRETREATMENT [patent_app_type] => utility [patent_app_number] => 17/666188 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666188 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666188
ENHANCED OXIDATION WITH HYDROGEN RADICAL PRETREATMENT Feb 6, 2022 Pending
Array ( [id] => 17705101 [patent_doc_number] => 20220205107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => SYSTEMS, METHODS, AND APPARATUS FOR PRELITHIATION THROUGH LIQUID ALKALI METAL COMPOSITION SPRAY APPLICATION [patent_app_type] => utility [patent_app_number] => 17/565931 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565931 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565931
SYSTEMS, METHODS, AND APPARATUS FOR PRELITHIATION THROUGH LIQUID ALKALI METAL COMPOSITION SPRAY APPLICATION Dec 29, 2021 Abandoned
Array ( [id] => 18469382 [patent_doc_number] => 20230203666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => COATING-FREE ANTIMICROBIAL STAINLESS STEEL SURFACES [patent_app_type] => utility [patent_app_number] => 17/562194 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562194 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562194
Coating-free antimicrobial stainless steel surfaces Dec 26, 2021 Issued
Array ( [id] => 17533997 [patent_doc_number] => 20220112606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => METHOD FOR PASSIVATING AN ALUMINUM SURFACE PROVIDED WITH A FLUX [patent_app_type] => utility [patent_app_number] => 17/560930 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17560930 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/560930
METHOD FOR PASSIVATING AN ALUMINUM SURFACE PROVIDED WITH A FLUX Dec 22, 2021 Pending
Array ( [id] => 19172906 [patent_doc_number] => 20240158880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => MICRO-MOLYBDENUM-TYPE WEATHERING BRIDGE STEEL PLATE AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/281588 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2149 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18281588 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281588
MICRO-MOLYBDENUM-TYPE WEATHERING BRIDGE STEEL PLATE AND PREPARATION METHOD THEREOF Nov 16, 2021 Pending
Array ( [id] => 18831227 [patent_doc_number] => 20230399753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/250478 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18250478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/250478
TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS Nov 8, 2021 Pending
Array ( [id] => 18347957 [patent_doc_number] => 20230136068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => CORROSION RESISTANT CHROMIUM FREE CONVERSION COATINGS [patent_app_type] => utility [patent_app_number] => 17/517715 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17517715 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/517715
CORROSION RESISTANT CHROMIUM FREE CONVERSION COATINGS Nov 2, 2021 Abandoned
Array ( [id] => 18771279 [patent_doc_number] => 20230366097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => ZR, MO AND ACID-FUNCTIONAL POLYMER CONTAINING AQUEOUS COMPOSITIONS FOR TREATMENT OF METALLIC SURFACES [patent_app_type] => utility [patent_app_number] => 18/250008 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8825 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18250008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/250008
ZR, MO AND ACID-FUNCTIONAL POLYMER CONTAINING AQUEOUS COMPOSITIONS FOR TREATMENT OF METALLIC SURFACES Oct 27, 2021 Pending
Array ( [id] => 18693123 [patent_doc_number] => 20230323518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => FUNCTIONALLY GRADIENT ALUMINUM ALLOY PRODUCTS AND METHODS OF MAKING [patent_app_type] => utility [patent_app_number] => 18/041297 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16670 [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] => 18041297 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041297
FUNCTIONALLY GRADIENT ALUMINUM ALLOY PRODUCTS AND METHODS OF MAKING Sep 22, 2021 Pending
Array ( [id] => 17337900 [patent_doc_number] => 20220004231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => METHOD FOR MANUFACTURING COVER MEMBER, AND COVER MEMBER STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/475526 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17475526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475526
Method for manufacturing cover member, and cover member structure Sep 14, 2021 Issued
Array ( [id] => 18352464 [patent_doc_number] => 20230140575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => METHOD FOR PRODUCING RUST-PROOF MEMBER [patent_app_type] => utility [patent_app_number] => 17/995177 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17995177 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/995177
METHOD FOR PRODUCING RUST-PROOF MEMBER Aug 19, 2021 Abandoned
Array ( [id] => 20993599 [patent_doc_number] => 12742222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-22 [patent_title] => Method for manufacturing hot-dip galvanized steel sheet, and steel sheet and vehicle component [patent_app_type] => utility [patent_app_number] => 18/017057 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3360 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017057
METHOD FOR MANUFACTURING HOT-DIP GALVANIZED STEEL SHEET, AND STEEL SHEET AND VEHICLE COMPONENT Jun 28, 2021 Pending
Array ( [id] => 19404170 [patent_doc_number] => 20240287681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Improved Activation Agent for Manganese Phosphating Processes [patent_app_type] => utility [patent_app_number] => 18/003662 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4134 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18003662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/003662
Improved Activation Agent for Manganese Phosphating Processes Jun 24, 2021 Pending
Array ( [id] => 17142116 [patent_doc_number] => 20210310128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => NON-CHROMATIC CONVERSION COATING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/348067 [patent_app_country] => US [patent_app_date] => 2021-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17348067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/348067
Non-chromatic conversion coating system and method Jun 14, 2021 Issued
Array ( [id] => 17156532 [patent_doc_number] => 20210317583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => METAL PRETREATMENT COMPOSITIONS CONTAINING PHENALKAMINE COMPOUNDS [patent_app_type] => utility [patent_app_number] => 17/345278 [patent_app_country] => US [patent_app_date] => 2021-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17345278 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/345278
Metal pretreatment compositions containing phenalkamine compounds Jun 10, 2021 Issued
Menu