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] => 18492450 [patent_doc_number] => 11697861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Processes for preparing lithium carbonate [patent_app_type] => utility [patent_app_number] => 16/185973 [patent_app_country] => US [patent_app_date] => 2018-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 97 [patent_figures_cnt] => 97 [patent_no_of_words] => 42015 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16185973 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/185973
Processes for preparing lithium carbonate Nov 8, 2018 Issued
Array ( [id] => 15865785 [patent_doc_number] => 20200140296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => ELECTRODIALYSIS CELLS BASED ON THE USE OF REDOX MEDIATORS [patent_app_type] => utility [patent_app_number] => 16/182696 [patent_app_country] => US [patent_app_date] => 2018-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16182696 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/182696
Electrodialysis cells based on the use of redox mediators Nov 6, 2018 Issued
Array ( [id] => 14183377 [patent_doc_number] => 20190111393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => Spiral-Wound Electrodialysis Module [patent_app_type] => utility [patent_app_number] => 16/161623 [patent_app_country] => US [patent_app_date] => 2018-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16161623 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/161623
Spiral-wound electrodialysis module Oct 15, 2018 Issued
Array ( [id] => 15768487 [patent_doc_number] => 20200115261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => ELECTROCOAGULATION CELL DESIGN [patent_app_type] => utility [patent_app_number] => 16/160786 [patent_app_country] => US [patent_app_date] => 2018-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16160786 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/160786
Electrocoagulation cell design Oct 14, 2018 Issued
Array ( [id] => 19043862 [patent_doc_number] => 11932951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Method for generating synthesis gas for ammonia production [patent_app_type] => utility [patent_app_number] => 16/641007 [patent_app_country] => US [patent_app_date] => 2018-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1879 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16641007 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/641007
Method for generating synthesis gas for ammonia production Sep 30, 2018 Issued
Array ( [id] => 15023107 [patent_doc_number] => 20190322558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => Microbial Electrochemical Cell and direct salt recovery [patent_app_type] => utility [patent_app_number] => 16/145244 [patent_app_country] => US [patent_app_date] => 2018-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4495 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16145244 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/145244
Microbial Electrochemical Cell and direct salt recovery Sep 27, 2018 Abandoned
Array ( [id] => 14103141 [patent_doc_number] => 20190093246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => ELECTROLYTIC GENERATION AND PURIFICATION OF CARBON [patent_app_type] => utility [patent_app_number] => 16/146882 [patent_app_country] => US [patent_app_date] => 2018-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14997 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16146882 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/146882
Electrolytic generation and purification of carbon Sep 27, 2018 Issued
Array ( [id] => 16298196 [patent_doc_number] => 20200283919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => ELECTROLYSIS DEVICE [patent_app_type] => utility [patent_app_number] => 16/645009 [patent_app_country] => US [patent_app_date] => 2018-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4489 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16645009 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/645009
Electrolysis device Sep 26, 2018 Issued
Array ( [id] => 16344070 [patent_doc_number] => 20200308720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => DURABLE OXYGEN EVOLUTION ELECTROCATALYSTS [patent_app_type] => utility [patent_app_number] => 16/648794 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6191 [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] => 16648794 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/648794
DURABLE OXYGEN EVOLUTION ELECTROCATALYSTS Sep 18, 2018 Abandoned
Array ( [id] => 14231385 [patent_doc_number] => 20190127865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-02 [patent_title] => ELECTROLYZER FOR GASEOUS CARBON DIOXIDE [patent_app_type] => utility [patent_app_number] => 16/132914 [patent_app_country] => US [patent_app_date] => 2018-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20309 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16132914 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/132914
ELECTROLYZER FOR GASEOUS CARBON DIOXIDE Sep 16, 2018 Abandoned
Array ( [id] => 14018673 [patent_doc_number] => 20190071330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => DEVICES AND METHODS FOR THE REMEDIATION OF GROUNDWATER [patent_app_type] => utility [patent_app_number] => 16/119599 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16119599 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/119599
DEVICES AND METHODS FOR THE REMEDIATION OF GROUNDWATER Aug 30, 2018 Abandoned
Array ( [id] => 16696554 [patent_doc_number] => 10947134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Hydrogen generator [patent_app_type] => utility [patent_app_number] => 16/118265 [patent_app_country] => US [patent_app_date] => 2018-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 12457 [patent_no_of_claims] => 75 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16118265 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/118265
Hydrogen generator Aug 29, 2018 Issued
Array ( [id] => 16696554 [patent_doc_number] => 10947134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Hydrogen generator [patent_app_type] => utility [patent_app_number] => 16/118265 [patent_app_country] => US [patent_app_date] => 2018-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 12457 [patent_no_of_claims] => 75 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16118265 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/118265
Hydrogen generator Aug 29, 2018 Issued
Array ( [id] => 13606545 [patent_doc_number] => 20180354821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => ELECTROLYSIS ELECTRODE [patent_app_type] => utility [patent_app_number] => 16/107642 [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] => 5659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16107642 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/107642
ELECTROLYSIS ELECTRODE Aug 20, 2018 Abandoned
Array ( [id] => 13986049 [patent_doc_number] => 20190062182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => CAPACITIVE-DEIONIZATION-TYPE NUTRITIVE SALT REMOVAL SYSTEM AND METHOD FOR USE IN DAM OR WEIR [patent_app_type] => utility [patent_app_number] => 16/101350 [patent_app_country] => US [patent_app_date] => 2018-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16101350 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/101350
Capacitive-deionization-type nutritive salt removal system and method for use in dam or weir Aug 9, 2018 Issued
Array ( [id] => 15948407 [patent_doc_number] => 10662090 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-26 [patent_title] => Electrolytic treater and method for treating water [patent_app_type] => utility [patent_app_number] => 16/044632 [patent_app_country] => US [patent_app_date] => 2018-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4979 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16044632 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/044632
Electrolytic treater and method for treating water Jul 24, 2018 Issued
Array ( [id] => 16978067 [patent_doc_number] => 20210222304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => ELECTROLYSIS DEVICE CAPABLE OF PRODUCING STERILIZING AGENT OR DETERGENT, AND ELECTROLYSIS METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/095719 [patent_app_country] => US [patent_app_date] => 2018-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16095719 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/095719
ELECTROLYSIS DEVICE CAPABLE OF PRODUCING STERILIZING AGENT OR DETERGENT, AND ELECTROLYSIS METHOD THEREOF Jul 22, 2018 Abandoned
Array ( [id] => 13840209 [patent_doc_number] => 20190023589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => ELECTROCOAGULATION UNIT [patent_app_type] => utility [patent_app_number] => 16/041700 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16041700 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/041700
Electrocoagulation unit Jul 19, 2018 Issued
Array ( [id] => 17784550 [patent_doc_number] => 11407662 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Adsorbents, systems, and methods for separation of organic species from water [patent_app_type] => utility [patent_app_number] => 16/024493 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 57 [patent_no_of_words] => 19169 [patent_no_of_claims] => 83 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16024493 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/024493
Adsorbents, systems, and methods for separation of organic species from water Jun 28, 2018 Issued
Array ( [id] => 16892331 [patent_doc_number] => 11033859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Methods for electroelution of biomolecules [patent_app_type] => utility [patent_app_number] => 16/012147 [patent_app_country] => US [patent_app_date] => 2018-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 11242 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16012147 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/012147
Methods for electroelution of biomolecules Jun 18, 2018 Issued
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