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] => 13794143 [patent_doc_number] => 20190010610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => FLUORIDE-FREE ZIRCONIUM-BASED METAL PRE-TREATMENT FOR PASSIVATION [patent_app_type] => utility [patent_app_number] => 16/106759 [patent_app_country] => US [patent_app_date] => 2018-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16106759 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/106759
Fluoride-free zirconium-based metal pre-treatment for passivation Aug 20, 2018 Issued
Array ( [id] => 14639485 [patent_doc_number] => 10364475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-30 [patent_title] => Wear-resistant, single penetration stave coolers [patent_app_type] => utility [patent_app_number] => 16/101418 [patent_app_country] => US [patent_app_date] => 2018-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 8612 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 16101418 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/101418
Wear-resistant, single penetration stave coolers Aug 10, 2018 Issued
Array ( [id] => 17556340 [patent_doc_number] => 11313023 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => Equipment for coating a metal strip [patent_app_type] => utility [patent_app_number] => 16/058009 [patent_app_country] => US [patent_app_date] => 2018-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3846 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16058009 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/058009
Equipment for coating a metal strip Aug 7, 2018 Issued
Array ( [id] => 13871769 [patent_doc_number] => 20190032225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => PRETREATMENT COMPOSITIONS, COATED ALUMINUM ALLOYS, AND METHODS OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 16/047165 [patent_app_country] => US [patent_app_date] => 2018-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16047165 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/047165
Pretreatment compositions, coated aluminum alloys, and methods of making the same Jul 26, 2018 Issued
Array ( [id] => 15963979 [patent_doc_number] => 20200165741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => CHEMICAL CONVERSION TREATMENT AGENT, COATING PRE-TREATMENT METHOD, AND METAL MEMBER [patent_app_type] => utility [patent_app_number] => 16/629484 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 16629484 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/629484
CHEMICAL CONVERSION TREATMENT AGENT, COATING PRE-TREATMENT METHOD, AND METAL MEMBER Jul 11, 2018 Abandoned
Array ( [id] => 13537409 [patent_doc_number] => 20180320251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => BETA TITANIUM ALLOY SHEET FOR ELEVATED TEMPERATURE APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/032681 [patent_app_country] => US [patent_app_date] => 2018-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5964 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16032681 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/032681
Beta titanium alloy sheet for elevated temperature applications Jul 10, 2018 Issued
Array ( [id] => 15769571 [patent_doc_number] => 20200115803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => RUST PREVENTION MEMBER AND METHOD FOR PRODUCING SAME [patent_app_type] => utility [patent_app_number] => 16/626868 [patent_app_country] => US [patent_app_date] => 2018-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16626868 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/626868
Rust prevention member and method for producing same Jun 25, 2018 Issued
Array ( [id] => 13734309 [patent_doc_number] => 20180371622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => INORGANIC NON-CHROME AQUEOUS TREATMENT COMPOSITION AND PROCESS FOR COATING METAL SURFACES [patent_app_type] => utility [patent_app_number] => 16/014045 [patent_app_country] => US [patent_app_date] => 2018-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16014045 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/014045
Inorganic non-chrome aqueous treatment composition and process for coating metal surfaces Jun 20, 2018 Issued
Array ( [id] => 17588001 [patent_doc_number] => 11326259 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Corrosion and mar resistance of steel components [patent_app_type] => utility [patent_app_number] => 16/003708 [patent_app_country] => US [patent_app_date] => 2018-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1689 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16003708 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/003708
Corrosion and mar resistance of steel components Jun 7, 2018 Issued
Array ( [id] => 15513479 [patent_doc_number] => 10563317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Solution composition and method for single-bath post treatment of substrate [patent_app_type] => utility [patent_app_number] => 15/994512 [patent_app_country] => US [patent_app_date] => 2018-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4440 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15994512 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/994512
Solution composition and method for single-bath post treatment of substrate May 30, 2018 Issued
Array ( [id] => 13552723 [patent_doc_number] => 20180327909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => pH STABLE TRIVALENT CHROMIUM COATING SOLUTIONS [patent_app_type] => utility [patent_app_number] => 15/978980 [patent_app_country] => US [patent_app_date] => 2018-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15978980 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/978980
pH stable trivalent chromium coating solutions May 13, 2018 Issued
Array ( [id] => 16484408 [patent_doc_number] => 20200378009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => METHOD FOR THE SURFACE MODIFICATION OF AT LEAST ONE COMPONENT AND REACTOR DEVICE FOR CARRYING OUT THE METHOD [patent_app_type] => utility [patent_app_number] => 16/607210 [patent_app_country] => US [patent_app_date] => 2018-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16607210 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/607210
METHOD FOR THE SURFACE MODIFICATION OF AT LEAST ONE COMPONENT AND REACTOR DEVICE FOR CARRYING OUT THE METHOD May 8, 2018 Abandoned
Array ( [id] => 15711781 [patent_doc_number] => 20200102656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => STEEL PISTON HAVING A PHOSPHATE LAYER [patent_app_type] => utility [patent_app_number] => 16/611030 [patent_app_country] => US [patent_app_date] => 2018-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1172 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16611030 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/611030
STEEL PISTON HAVING A PHOSPHATE LAYER May 3, 2018 Abandoned
Array ( [id] => 17119903 [patent_doc_number] => 11131027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-28 [patent_title] => Metal pretreatment composition containing zirconium, copper, zinc and nitrate and related coatings on metal substrates [patent_app_type] => utility [patent_app_number] => 15/961262 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7856 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15961262 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/961262
Metal pretreatment composition containing zirconium, copper, zinc and nitrate and related coatings on metal substrates Apr 23, 2018 Issued
Array ( [id] => 16781605 [patent_doc_number] => 20210118684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => SELECTIVE DEPOSITION ON SILICON CONTAINING SURFACES [patent_app_type] => utility [patent_app_number] => 16/494081 [patent_app_country] => US [patent_app_date] => 2018-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33580 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -72 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16494081 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/494081
Selective deposition on silicon containing surfaces Mar 15, 2018 Issued
Array ( [id] => 19091218 [patent_doc_number] => 11952652 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same [patent_app_type] => utility [patent_app_number] => 15/914389 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 15827 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 348 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15914389 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/914389
Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same Mar 6, 2018 Issued
Array ( [id] => 18274856 [patent_doc_number] => 11613791 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Method for coating steel sheets or steel strips and method for producing press-hardened components therefrom [patent_app_type] => utility [patent_app_number] => 16/487004 [patent_app_country] => US [patent_app_date] => 2018-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4543 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16487004 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/487004
Method for coating steel sheets or steel strips and method for producing press-hardened components therefrom Feb 13, 2018 Issued
Array ( [id] => 18560050 [patent_doc_number] => 11725286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Two-step pretreatment system and method [patent_app_type] => utility [patent_app_number] => 16/639327 [patent_app_country] => US [patent_app_date] => 2018-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25553 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16639327 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/639327
Two-step pretreatment system and method Feb 8, 2018 Issued
Array ( [id] => 15384163 [patent_doc_number] => 10533254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-14 [patent_title] => Dyed trivalent chromium conversion coatings and methods of using same [patent_app_type] => utility [patent_app_number] => 15/885528 [patent_app_country] => US [patent_app_date] => 2018-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8190 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15885528 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/885528
Dyed trivalent chromium conversion coatings and methods of using same Jan 30, 2018 Issued
Array ( [id] => 16697030 [patent_doc_number] => 10947613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Alloys for highly shaped aluminum products and methods of making the same [patent_app_type] => utility [patent_app_number] => 15/874146 [patent_app_country] => US [patent_app_date] => 2018-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5008 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15874146 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/874146
Alloys for highly shaped aluminum products and methods of making the same Jan 17, 2018 Issued
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