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] => 17329417 [patent_doc_number] => 11219861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-11 [patent_title] => Electrodeiontzation apparatus [patent_app_type] => utility [patent_app_number] => 16/332493 [patent_app_country] => US [patent_app_date] => 2017-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4006 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332493 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332493
Electrodeiontzation apparatus Mar 8, 2017 Issued
Array ( [id] => 12233507 [patent_doc_number] => 20180066370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-08 [patent_title] => 'CO2 REDUCTION CATALYST, CO2 REDUCTION ELECTRODE AND CO2 REDUCTION DEVICE' [patent_app_type] => utility [patent_app_number] => 15/453157 [patent_app_country] => US [patent_app_date] => 2017-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6600 [patent_no_of_claims] => 8 [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] => 15453157 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/453157
CO2 REDUCTION CATALYST, CO2 REDUCTION ELECTRODE AND CO2 REDUCTION DEVICE Mar 7, 2017 Abandoned
Array ( [id] => 13987547 [patent_doc_number] => 20190062931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => Method and Device for the Electrochemical Utilization of Carbon Dioxide [patent_app_type] => utility [patent_app_number] => 16/078863 [patent_app_country] => US [patent_app_date] => 2017-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16078863 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/078863
Method and Device for the Electrochemical Utilization of Carbon Dioxide Feb 19, 2017 Abandoned
Array ( [id] => 11865981 [patent_doc_number] => 20170233266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-17 [patent_title] => 'Method and Device for Treating Water by Electrolysis' [patent_app_type] => utility [patent_app_number] => 15/428957 [patent_app_country] => US [patent_app_date] => 2017-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5605 [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] => 15428957 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/428957
Method and Device for Treating Water by Electrolysis Feb 8, 2017 Abandoned
Array ( [id] => 13926823 [patent_doc_number] => 20190046927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => Desalination [patent_app_type] => utility [patent_app_number] => 16/076487 [patent_app_country] => US [patent_app_date] => 2017-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 16076487 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/076487
Desalination Feb 8, 2017 Issued
Array ( [id] => 11822253 [patent_doc_number] => 20170211191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'SYSTEMS AND METHODS TO PREVENT CONTAMINATION OF POTABLE WATER WITH LEAD AND/ OR IRON, AND TO EXTEND THE USEFUL LIFE OF THE POTABLE WATER SYSTEM, WHILE REDUCING MAINTENANCE AND CAPITAL COSTS' [patent_app_type] => utility [patent_app_number] => 15/428102 [patent_app_country] => US [patent_app_date] => 2017-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3388 [patent_no_of_claims] => 14 [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] => 15428102 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/428102
SYSTEMS AND METHODS TO PREVENT CONTAMINATION OF POTABLE WATER WITH LEAD AND/ OR IRON, AND TO EXTEND THE USEFUL LIFE OF THE POTABLE WATER SYSTEM, WHILE REDUCING MAINTENANCE AND CAPITAL COSTS Feb 7, 2017 Abandoned
Array ( [id] => 13871773 [patent_doc_number] => 20190032227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => INTEGRATED LITHIUM PRODUCTION PROCESS [patent_app_type] => utility [patent_app_number] => 16/073795 [patent_app_country] => US [patent_app_date] => 2017-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4337 [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] => 16073795 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/073795
Integrated lithium production process Feb 6, 2017 Issued
Array ( [id] => 13902661 [patent_doc_number] => 20190040535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => METHOD AND CELL FOR CONVERSION OF DINITROGEN INTO AMMONIA [patent_app_type] => utility [patent_app_number] => 16/075562 [patent_app_country] => US [patent_app_date] => 2017-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 16075562 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/075562
METHOD AND CELL FOR CONVERSION OF DINITROGEN INTO AMMONIA Feb 2, 2017 Abandoned
Array ( [id] => 17149592 [patent_doc_number] => 11142656 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Electrophoretic coating and preparation method, electrophoretic coating process and selective plating process [patent_app_type] => utility [patent_app_number] => 15/411446 [patent_app_country] => US [patent_app_date] => 2017-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3210 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15411446 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/411446
Electrophoretic coating and preparation method, electrophoretic coating process and selective plating process Jan 19, 2017 Issued
Array ( [id] => 16284083 [patent_doc_number] => 20200277685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => RECOVERY METHOD FOR COPPER-INDIUM-GALLIUM-SELENIUM MATERIAL [patent_app_type] => utility [patent_app_number] => 16/068072 [patent_app_country] => US [patent_app_date] => 2016-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16068072 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/068072
RECOVERY METHOD FOR COPPER-INDIUM-GALLIUM-SELENIUM MATERIAL Dec 25, 2016 Abandoned
Array ( [id] => 16984814 [patent_doc_number] => 11071964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-27 [patent_title] => Electrochemical reactor to control the pH in miniaturized dimensions [patent_app_type] => utility [patent_app_number] => 16/064697 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6790 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16064697 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/064697
Electrochemical reactor to control the pH in miniaturized dimensions Dec 19, 2016 Issued
Array ( [id] => 11528468 [patent_doc_number] => 20170088445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-30 [patent_title] => 'APPARATUS AND PROCESS FOR SEPARATION AND SELECTIVE RECOMPOSITION OF IONS' [patent_app_type] => utility [patent_app_number] => 15/373673 [patent_app_country] => US [patent_app_date] => 2016-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13466 [patent_no_of_claims] => 9 [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] => 15373673 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/373673
Apparatus and process for separation and selective recomposition of ions Dec 8, 2016 Issued
Array ( [id] => 12812713 [patent_doc_number] => 20180162741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => METHOD OF REMOVING YTTRIUM FROM YTTRIUM-CONTAINING EUROPIUM OXIDE [patent_app_type] => utility [patent_app_number] => 15/372573 [patent_app_country] => US [patent_app_date] => 2016-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2631 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15372573 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/372573
METHOD OF REMOVING YTTRIUM FROM YTTRIUM-CONTAINING EUROPIUM OXIDE Dec 7, 2016 Abandoned
Array ( [id] => 14911737 [patent_doc_number] => 10427169 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-10-01 [patent_title] => Electrochemical filter for removal of trace level ions [patent_app_type] => utility [patent_app_number] => 15/371368 [patent_app_country] => US [patent_app_date] => 2016-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2949 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15371368 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/371368
Electrochemical filter for removal of trace level ions Dec 6, 2016 Issued
Array ( [id] => 14612089 [patent_doc_number] => 10358731 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-23 [patent_title] => Metal catalyst, method for manufacturing the metal catalyst and electrochemical reduction method [patent_app_type] => utility [patent_app_number] => 15/360991 [patent_app_country] => US [patent_app_date] => 2016-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 4410 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15360991 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/360991
Metal catalyst, method for manufacturing the metal catalyst and electrochemical reduction method Nov 22, 2016 Issued
Array ( [id] => 11568989 [patent_doc_number] => 20170107634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'ELECTROCHEMICAL PROCESS FOR THE REDUCTION OF MOLECULAR OXYGEN' [patent_app_type] => utility [patent_app_number] => 15/355855 [patent_app_country] => US [patent_app_date] => 2016-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7158 [patent_no_of_claims] => 14 [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] => 15355855 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/355855
ELECTROCHEMICAL PROCESS FOR THE REDUCTION OF MOLECULAR OXYGEN Nov 17, 2016 Abandoned
Array ( [id] => 11499638 [patent_doc_number] => 20170073823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION' [patent_app_type] => utility [patent_app_number] => 15/341260 [patent_app_country] => US [patent_app_date] => 2016-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 41 [patent_no_of_words] => 62215 [patent_no_of_claims] => 21 [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] => 15341260 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/341260
ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION Nov 1, 2016 Abandoned
Array ( [id] => 12660064 [patent_doc_number] => 20180111854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-26 [patent_title] => MULTIPLE PULSE CHARGE TRANSFER FOR CAPACITIVE DEIONIZATION OF A FLUID [patent_app_type] => utility [patent_app_number] => 15/299021 [patent_app_country] => US [patent_app_date] => 2016-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15299021 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/299021
Multiple pulse charge transfer for capacitive deionization of a fluid Oct 19, 2016 Issued
Array ( [id] => 15283167 [patent_doc_number] => 10514242 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-12-24 [patent_title] => Method and apparatus for electrochemical ammunition disposal and material recovery [patent_app_type] => utility [patent_app_number] => 15/293717 [patent_app_country] => US [patent_app_date] => 2016-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4803 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15293717 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/293717
Method and apparatus for electrochemical ammunition disposal and material recovery Oct 13, 2016 Issued
Array ( [id] => 13899671 [patent_doc_number] => 20190039040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => METHODS AND SYSTEMS FOR CARBON NANOFIBER PRODUCTION [patent_app_type] => utility [patent_app_number] => 15/292823 [patent_app_country] => US [patent_app_date] => 2016-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [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] => 15292823 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/292823
Methods and systems for carbon nanofiber production Oct 12, 2016 Issued
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