Search

Kawing Chan

Examiner (ID: 3066, Phone: (571)270-3909 , Office: P/2837 )

Most Active Art Unit
2837
Art Unit(s)
4147, 2846, 2837
Total Applications
953
Issued Applications
686
Pending Applications
62
Abandoned Applications
235

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19453154 [patent_doc_number] => 20240313284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ENERGY RECLAMATION AND CARBON-NEUTRAL SYSTEM FOR CRITICAL MINERAL EXTRACTION [patent_app_type] => utility [patent_app_number] => 18/122621 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41107 [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] => 18122621 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122621
Energy reclamation and carbon-neutral system for critical mineral extraction Mar 15, 2023 Issued
Array ( [id] => 18497868 [patent_doc_number] => 20230220563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => Electrolysis Device [patent_app_type] => utility [patent_app_number] => 18/183838 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18183838 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183838
Electrolysis Device Mar 13, 2023 Pending
Array ( [id] => 19379785 [patent_doc_number] => 20240269655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => FUNCTIONALIZED SURFACES FOR CONVERSION OF CARBON DIOXIDE [patent_app_type] => utility [patent_app_number] => 18/110290 [patent_app_country] => US [patent_app_date] => 2023-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18110290 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/110290
FUNCTIONALIZED SURFACES FOR CONVERSION OF CARBON DIOXIDE Feb 14, 2023 Abandoned
Array ( [id] => 18816364 [patent_doc_number] => 20230390704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => SYSTEM AND METHOD FOR ELECTROCHEMICAL OCEAN ALKALINITY ENHANCEMENT [patent_app_type] => utility [patent_app_number] => 18/266672 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5338 [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] => 18266672 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/266672
System and method for electrochemical ocean alkalinity enhancement Dec 21, 2022 Issued
Array ( [id] => 18692361 [patent_doc_number] => 20230322591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => ELECTRODIALYSIS DEVICE AND METHOD FOR SELECTIVE REMOVAL OF DRINKING WATER TARGET IONS [patent_app_type] => utility [patent_app_number] => 18/067718 [patent_app_country] => US [patent_app_date] => 2022-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 411 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18067718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/067718
ELECTRODIALYSIS DEVICE AND METHOD FOR SELECTIVE REMOVAL OF DRINKING WATER TARGET IONS Dec 17, 2022 Abandoned
Array ( [id] => 18278750 [patent_doc_number] => 20230094222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SYSTEMS AND METHODS TO MAKE HYDROGEN GAS WITH A STEADY STATE PH DIFFERENTIAL [patent_app_type] => utility [patent_app_number] => 18/057109 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34473 [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] => 18057109 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/057109
Systems and methods to make hydrogen gas with a steady state pH differential Nov 17, 2022 Issued
Array ( [id] => 18692359 [patent_doc_number] => 20230322589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => METHODS AND SYSTEMS FOR ELECTROCHEMICAL OXIDATION OF POLYFLUOROALKYL AND PERFLUOROALKYL CONTAMINANTS [patent_app_type] => utility [patent_app_number] => 17/989080 [patent_app_country] => US [patent_app_date] => 2022-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17989080 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/989080
METHODS AND SYSTEMS FOR ELECTROCHEMICAL OXIDATION OF POLYFLUOROALKYL AND PERFLUOROALKYL CONTAMINANTS Nov 16, 2022 Pending
Array ( [id] => 19060040 [patent_doc_number] => 11939247 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Systems and methods for removal and sequestration of acidity from surface seawater [patent_app_type] => utility [patent_app_number] => 17/972502 [patent_app_country] => US [patent_app_date] => 2022-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 59 [patent_figures_cnt] => 59 [patent_no_of_words] => 35400 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17972502 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/972502
Systems and methods for removal and sequestration of acidity from surface seawater Oct 23, 2022 Issued
Array ( [id] => 18286121 [patent_doc_number] => 20230101593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SYSTEMS AND METHODS TO MAKE HYDROGEN GAS WITH A STEADY-STATE PH DIFFERENTIAL [patent_app_type] => utility [patent_app_number] => 17/936322 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34460 [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] => 17936322 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/936322
Systems and methods to make hydrogen gas with a steady-state pH differential Sep 27, 2022 Issued
Array ( [id] => 18314992 [patent_doc_number] => 11629061 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-18 [patent_title] => Method of making copper sulfide electrode material [patent_app_type] => utility [patent_app_number] => 17/875703 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3380 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875703 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875703
Method of making copper sulfide electrode material Jul 27, 2022 Issued
Array ( [id] => 18003942 [patent_doc_number] => 20220362708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => ELECTROCHEMICAL PROCESS FOR GAS SEPARATION [patent_app_type] => utility [patent_app_number] => 17/867454 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17867454 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867454
Electrochemical process for gas separation Jul 17, 2022 Issued
Array ( [id] => 19106099 [patent_doc_number] => 11959185 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Titanium master alloy for titanium-aluminum based alloys [patent_app_type] => utility [patent_app_number] => 17/856594 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4395 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17856594 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856594
Titanium master alloy for titanium-aluminum based alloys Jun 30, 2022 Issued
Array ( [id] => 18877615 [patent_doc_number] => 20240000984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => SANITIZATION OF AN ARTICLE USING IN SITU ELECTROLYSIS [patent_app_type] => utility [patent_app_number] => 17/856408 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11987 [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] => 17856408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856408
Sanitization of an article using in situ electrolysis Jun 30, 2022 Issued
Array ( [id] => 18208768 [patent_doc_number] => 20230055027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => METHOD AND SYSTEM FOR PRODUCTION OF ANTIMICROBIAL DISINFECTANT COATINGS USING ELECTROCHEMICAL SYNTHESIS [patent_app_type] => utility [patent_app_number] => 17/737332 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17737332 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/737332
Method and system for production of antimicrobial disinfectant coatings using electrochemical synthesis May 4, 2022 Issued
Array ( [id] => 17838216 [patent_doc_number] => 20220275521 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => SYSTEMS AND METHODS TO MAKE HYDROGEN GAS USING METAL OXYANIONS OR NON-METAL OXYANIONS [patent_app_type] => utility [patent_app_number] => 17/659233 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29423 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17659233 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/659233
Systems and methods to make hydrogen gas using metal oxyanions or non-metal oxyanions Apr 13, 2022 Issued
Array ( [id] => 19700415 [patent_doc_number] => 12194417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Electrochemical system with concentration recirculation in cyclic batch mode [patent_app_type] => utility [patent_app_number] => 17/719363 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 11165 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17719363 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/719363
Electrochemical system with concentration recirculation in cyclic batch mode Apr 11, 2022 Issued
Array ( [id] => 17688319 [patent_doc_number] => 20220195611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => SOLID POLYMER MEMBRANE ELECTRODE [patent_app_type] => utility [patent_app_number] => 17/684972 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17684972 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/684972
SOLID POLYMER MEMBRANE ELECTRODE Mar 1, 2022 Abandoned
Array ( [id] => 17671385 [patent_doc_number] => 20220184552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => ELECTROCHEMICAL PROCESS FOR GAS SEPARATION [patent_app_type] => utility [patent_app_number] => 17/685285 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11073 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [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] => 17685285 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/685285
Electrochemical process for gas separation Mar 1, 2022 Issued
Array ( [id] => 18418973 [patent_doc_number] => 20230173433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => DRYER USING ELECTROCHEMICAL REGENERATED LIQUID DESICCANT [patent_app_type] => utility [patent_app_number] => 17/540902 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5558 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17540902 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/540902
DRYER USING ELECTROCHEMICAL REGENERATED LIQUID DESICCANT Dec 1, 2021 Pending
Array ( [id] => 17982446 [patent_doc_number] => 20220348482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => CAPACITIVE DEIONIZATION PROCESS [patent_app_type] => utility [patent_app_number] => 17/534301 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17534301 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/534301
Capacitive deionization process Nov 22, 2021 Issued
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