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] => 15309391 [patent_doc_number] => 10519386 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-31 [patent_title] => Processing alkali metal-sulfide or alkali earth metal-sulfide to obtain the alkali metal or alkali earth metal [patent_app_type] => utility [patent_app_number] => 15/527110 [patent_app_country] => US [patent_app_date] => 2016-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4756 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15527110 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/527110
Processing alkali metal-sulfide or alkali earth metal-sulfide to obtain the alkali metal or alkali earth metal May 23, 2016 Issued
Array ( [id] => 15946695 [patent_doc_number] => 10661227 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-26 [patent_title] => Method for producing lithium hydroxide and lithium carbonate [patent_app_type] => utility [patent_app_number] => 15/573523 [patent_app_country] => US [patent_app_date] => 2016-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5233 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 410 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15573523 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/573523
Method for producing lithium hydroxide and lithium carbonate May 10, 2016 Issued
Array ( [id] => 11129048 [patent_doc_number] => 20160326023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-10 [patent_title] => 'APPARATUS AND METHOD FOR TREATING BALLAST WATER BY USING ELECTROLYSIS' [patent_app_type] => utility [patent_app_number] => 15/148617 [patent_app_country] => US [patent_app_date] => 2016-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4481 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15148617 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/148617
APPARATUS AND METHOD FOR TREATING BALLAST WATER BY USING ELECTROLYSIS May 5, 2016 Abandoned
Array ( [id] => 16276657 [patent_doc_number] => 10759671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-01 [patent_title] => Method for manufacturing lithium hydroxide and lithium carbonate, and device therefor [patent_app_type] => utility [patent_app_number] => 15/570400 [patent_app_country] => US [patent_app_date] => 2016-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8338 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15570400 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/570400
Method for manufacturing lithium hydroxide and lithium carbonate, and device therefor Apr 28, 2016 Issued
Array ( [id] => 12657781 [patent_doc_number] => 20180111093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-26 [patent_title] => Structures for Normalizing Multi-Planar Flow Distribution Within an Electrochemical Separation System [patent_app_type] => utility [patent_app_number] => 15/567398 [patent_app_country] => US [patent_app_date] => 2016-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10014 [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] => 15567398 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/567398
Structures for normalizing multi-planar flow distribution within an electrochemical separation system Apr 21, 2016 Issued
Array ( [id] => 14761783 [patent_doc_number] => 10392275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-27 [patent_title] => Deionizing device [patent_app_type] => utility [patent_app_number] => 15/132560 [patent_app_country] => US [patent_app_date] => 2016-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6347 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15132560 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/132560
Deionizing device Apr 18, 2016 Issued
Array ( [id] => 14171467 [patent_doc_number] => 10259728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => Apparatus and process for separation and selective recomposition of ions [patent_app_type] => utility [patent_app_number] => 15/131258 [patent_app_country] => US [patent_app_date] => 2016-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 13175 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 677 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15131258 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/131258
Apparatus and process for separation and selective recomposition of ions Apr 17, 2016 Issued
Array ( [id] => 11033339 [patent_doc_number] => 20160230295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-11 [patent_title] => 'Method for Electrocatalytic Reduction using Au Nanoparticles Tuned or Optimized for Reduction of CO2 to CO' [patent_app_type] => utility [patent_app_number] => 15/099691 [patent_app_country] => US [patent_app_date] => 2016-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4296 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15099691 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/099691
Method for Electrocatalytic Reduction using Au Nanoparticles Tuned or Optimized for Reduction of CO2 to CO Apr 14, 2016 Abandoned
Array ( [id] => 13461299 [patent_doc_number] => 20180282192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => METHOD AND APPARATUS FOR WATER TREATMENT [patent_app_type] => utility [patent_app_number] => 15/566544 [patent_app_country] => US [patent_app_date] => 2016-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [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] => 15566544 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/566544
METHOD AND APPARATUS FOR WATER TREATMENT Apr 6, 2016 Abandoned
Array ( [id] => 11018450 [patent_doc_number] => 20160215403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-28 [patent_title] => 'EXTRACTION OF CARBON DIOXIDE AND HYDROGEN FROM SEAWATER AND HYDROCARBON PRODUCTION THEREFROM' [patent_app_type] => utility [patent_app_number] => 15/089728 [patent_app_country] => US [patent_app_date] => 2016-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10667 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15089728 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/089728
Extraction of carbon dioxide and hydrogen from seawater and hydrocarbon production therefrom Apr 3, 2016 Issued
Array ( [id] => 14359833 [patent_doc_number] => 10301201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-28 [patent_title] => Composite electrode for desalination comprising ion-exchange membrane, manufacturing method thereof, and desalination apparatus using same [patent_app_type] => utility [patent_app_number] => 15/084988 [patent_app_country] => US [patent_app_date] => 2016-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 7589 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15084988 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/084988
Composite electrode for desalination comprising ion-exchange membrane, manufacturing method thereof, and desalination apparatus using same Mar 29, 2016 Issued
Array ( [id] => 12260467 [patent_doc_number] => 20180079663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'METHOD AND APPARATUS FOR TREATING ACIDIC LIQUID CONTAINING METAL IONS' [patent_app_type] => utility [patent_app_number] => 15/562750 [patent_app_country] => US [patent_app_date] => 2016-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 29618 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15562750 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/562750
METHOD AND APPARATUS FOR TREATING ACIDIC LIQUID CONTAINING METAL IONS Mar 29, 2016 Abandoned
Array ( [id] => 11092880 [patent_doc_number] => 20160289848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-06 [patent_title] => 'Device and System Having Water Microelectrolyzer Cells and Method of Using the Same' [patent_app_type] => utility [patent_app_number] => 15/082357 [patent_app_country] => US [patent_app_date] => 2016-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3609 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15082357 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/082357
Device and System Having Water Microelectrolyzer Cells and Method of Using the Same Mar 27, 2016 Abandoned
Array ( [id] => 11083603 [patent_doc_number] => 20160280568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-29 [patent_title] => 'STORAGE AND DELIVERY FOR A WATER TREATMENT SYSTEM AND METHOD OF USING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/079774 [patent_app_country] => US [patent_app_date] => 2016-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4433 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15079774 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/079774
Storage and delivery for a water treatment system and method of using the same Mar 23, 2016 Issued
Array ( [id] => 11728151 [patent_doc_number] => 20170189594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-06 [patent_title] => 'DEVICES FOR UREA ELECTROLYSIS AND METHODS OF USING SAME' [patent_app_type] => utility [patent_app_number] => 15/074388 [patent_app_country] => US [patent_app_date] => 2016-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 26187 [patent_no_of_claims] => 66 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15074388 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/074388
Devices for urea electrolysis and methods of using same Mar 17, 2016 Issued
Array ( [id] => 11728152 [patent_doc_number] => 20170189595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-06 [patent_title] => 'DEVICES FOR UREA ELECTROLYSIS WITH COMBINATION ELECTRODIALYSIS AND UREA OXIDATION CELL AND METHODS OF USING SAME' [patent_app_type] => utility [patent_app_number] => 15/074457 [patent_app_country] => US [patent_app_date] => 2016-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 26180 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15074457 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/074457
Devices for urea electrolysis with combination electrodialysis and urea oxidation cell and methods of using same Mar 17, 2016 Issued
Array ( [id] => 11003650 [patent_doc_number] => 20160200599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-14 [patent_title] => 'FLEXIBLE COMPOSITE ELECTRODE FOR DESALTING, METHOD FOR MANUFACTURING SAME, AND DESALTING DEVICE USING SAME' [patent_app_type] => utility [patent_app_number] => 15/074107 [patent_app_country] => US [patent_app_date] => 2016-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5218 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15074107 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/074107
FLEXIBLE COMPOSITE ELECTRODE FOR DESALTING, METHOD FOR MANUFACTURING SAME, AND DESALTING DEVICE USING SAME Mar 17, 2016 Abandoned
Array ( [id] => 12233008 [patent_doc_number] => 20180065870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-08 [patent_title] => 'ELECTROSORPTION PURIFICATION SYSTEM WITH BATTERY DRIVEN REGENERATION' [patent_app_type] => utility [patent_app_number] => 15/560315 [patent_app_country] => US [patent_app_date] => 2016-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11946 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15560315 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/560315
Electrosorption purification system with battery driven regeneration Mar 15, 2016 Issued
Array ( [id] => 11956487 [patent_doc_number] => 20170260637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'Electrochemical production of graphene sheets directly from graphite mineral' [patent_app_type] => utility [patent_app_number] => 14/998944 [patent_app_country] => US [patent_app_date] => 2016-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8412 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14998944 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/998944
Electrochemical production of graphene sheets directly from graphite mineral Mar 8, 2016 Issued
Array ( [id] => 10989412 [patent_doc_number] => 20160186357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-30 [patent_title] => 'Electrolytic On-Site Generator' [patent_app_type] => utility [patent_app_number] => 15/064385 [patent_app_country] => US [patent_app_date] => 2016-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8146 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15064385 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/064385
Electrolytic on-site generator Mar 7, 2016 Issued
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