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] => 19978151 [patent_doc_number] => 12345623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Method for evaluating delayed fracture of metal material [patent_app_type] => utility [patent_app_number] => 17/635876 [patent_app_country] => US [patent_app_date] => 2020-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1540 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17635876 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/635876
Method for evaluating delayed fracture of metal material Jun 9, 2020 Issued
Array ( [id] => 16361501 [patent_doc_number] => 20200318252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => METAL SHEET WITH ZINC HYDROXYSULFATE/ZINC SULFATE-BASED PROTECTION LAYER [patent_app_type] => utility [patent_app_number] => 16/881983 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4709 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16881983 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/881983
METAL SHEET WITH ZINC HYDROXYSULFATE/ZINC SULFATE-BASED PROTECTION LAYER May 21, 2020 Pending
Array ( [id] => 16283008 [patent_doc_number] => 20200276610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => PASSIVATION COMPOSITION COMPRISING A SILANE-MODIFIED SILICATE COMPOUND [patent_app_type] => utility [patent_app_number] => 16/877575 [patent_app_country] => US [patent_app_date] => 2020-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16877575 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/877575
Passivation composition comprising a silane-modified silicate compound May 18, 2020 Issued
Array ( [id] => 20402469 [patent_doc_number] => 12492440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Ultra-high strength steel and forming methods and applications of same [patent_app_type] => utility [patent_app_number] => 17/606509 [patent_app_country] => US [patent_app_date] => 2020-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 24 [patent_no_of_words] => 2608 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606509 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606509
Ultra-high strength steel and forming methods and applications of same May 3, 2020 Issued
Array ( [id] => 17705052 [patent_doc_number] => 20220205058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => A HIGH STRENGTH STEEL PRODUCT AND A PROCESS TO PRODUCE A HIGH STRENGTH STEEL PRODUCT [patent_app_type] => utility [patent_app_number] => 17/604221 [patent_app_country] => US [patent_app_date] => 2020-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17604221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/604221
High strength steel product and a process to produce a high strength steel product Apr 29, 2020 Issued
Array ( [id] => 17867532 [patent_doc_number] => 20220290268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => CASE-HARDENED STEEL PART FOR USE IN AERONAUTICS [patent_app_type] => utility [patent_app_number] => 17/607998 [patent_app_country] => US [patent_app_date] => 2020-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4019 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17607998 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/607998
CASE-HARDENED STEEL PART FOR USE IN AERONAUTICS Apr 29, 2020 Pending
Array ( [id] => 20241272 [patent_doc_number] => 12421581 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Steel material in powder form and process for producing said steel material [patent_app_type] => utility [patent_app_number] => 17/607287 [patent_app_country] => US [patent_app_date] => 2020-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 28 [patent_no_of_words] => 1985 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17607287 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/607287
Steel material in powder form and process for producing said steel material Apr 28, 2020 Issued
Array ( [id] => 16525682 [patent_doc_number] => 20200399762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => ALUMINUM ALLOY FASTENING MEMBER AND METHOD FOR PRODUCING ALUMINUM ALLOY FASTENING MEMBER [patent_app_type] => utility [patent_app_number] => 16/843738 [patent_app_country] => US [patent_app_date] => 2020-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6487 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16843738 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/843738
Aluminum alloy fastening member and method for producing aluminum alloy fastening member Apr 7, 2020 Issued
Array ( [id] => 18545547 [patent_doc_number] => 11718888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Method for producing a high strength coated steel sheet having improved strength, formability and obtained sheet [patent_app_type] => utility [patent_app_number] => 16/827696 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2864 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16827696 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/827696
Method for producing a high strength coated steel sheet having improved strength, formability and obtained sheet Mar 22, 2020 Issued
Array ( [id] => 16344032 [patent_doc_number] => 20200308682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => High Conductivity Magnesium Alloy [patent_app_type] => utility [patent_app_number] => 16/826561 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13936 [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] => 16826561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826561
High conductivity magnesium alloy Mar 22, 2020 Issued
Array ( [id] => 20256354 [patent_doc_number] => 12428697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Steel sheet [patent_app_type] => utility [patent_app_number] => 17/798826 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 10995 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17798826 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/798826
Steel sheet Mar 15, 2020 Issued
Array ( [id] => 17642399 [patent_doc_number] => 20220170137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => ALUMINUM ALLOY AND ALUMINUM ALLOY DIE CASTING MATERIAL [patent_app_type] => utility [patent_app_number] => 17/439997 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4615 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17439997 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/439997
Aluminum alloy and aluminum alloy die casting material Mar 5, 2020 Issued
Array ( [id] => 18302227 [patent_doc_number] => 11624121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Solution composition and method for single-bath post treatment of substrate [patent_app_type] => utility [patent_app_number] => 16/791639 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4455 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16791639 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/791639
Solution composition and method for single-bath post treatment of substrate Feb 13, 2020 Issued
Array ( [id] => 17548616 [patent_doc_number] => 20220119957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => ALTERNATIVE COMPOSITION AND ALTERNATIVE METHOD FOR EFFECTIVELY PHOSPHATING METAL SURFACES [patent_app_type] => utility [patent_app_number] => 17/425042 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4892 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17425042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/425042
Alternative composition and alternative method for effectively phosphating metal surfaces Jan 22, 2020 Issued
Array ( [id] => 19738585 [patent_doc_number] => 12215405 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Hot-pressed member, cold-rolled steel sheet for hot pressing, and manufacturing methods therefor [patent_app_type] => utility [patent_app_number] => 17/432218 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9884 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17432218 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432218
Hot-pressed member, cold-rolled steel sheet for hot pressing, and manufacturing methods therefor Jan 16, 2020 Issued
Array ( [id] => 17482765 [patent_doc_number] => 20220090269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => CONTINUOUS SURFACE TREATMENT FOR COILS MADE OF ALUMINUM ALLOYS SHEETS [patent_app_type] => utility [patent_app_number] => 17/423394 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2824 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17423394 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/423394
CONTINUOUS SURFACE TREATMENT FOR COILS MADE OF ALUMINUM ALLOYS SHEETS Jan 16, 2020 Pending
Array ( [id] => 15867203 [patent_doc_number] => 20200141005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => Dyed Trivalent Chromium Conversion Coatings and Methods of Using Same [patent_app_type] => utility [patent_app_number] => 16/732101 [patent_app_country] => US [patent_app_date] => 2019-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8190 [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] => 16732101 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/732101
Dyed trivalent chromium conversion coatings and methods of using same Dec 30, 2019 Issued
Array ( [id] => 15801045 [patent_doc_number] => 20200123665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => BONDING SUBSTRATE AND METHOD FOR PROTECTING SURFACES INTENDED FOR WIRE BONDING [patent_app_type] => utility [patent_app_number] => 16/722179 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16722179 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/722179
BONDING SUBSTRATE AND METHOD FOR PROTECTING SURFACES INTENDED FOR WIRE BONDING Dec 19, 2019 Abandoned
Array ( [id] => 20116267 [patent_doc_number] => 12365960 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Drill string component with high corrosion resistance, and method for the production of same [patent_app_type] => utility [patent_app_number] => 17/297388 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 778 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17297388 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/297388
Drill string component with high corrosion resistance, and method for the production of same Dec 18, 2019 Issued
Array ( [id] => 18452193 [patent_doc_number] => 20230193472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ANTICORROSION TREATMENT SOLUTION AND USES [patent_app_type] => utility [patent_app_number] => 17/312680 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17312680 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/312680
ANTICORROSION TREATMENT SOLUTION AND USES Dec 18, 2019 Pending
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