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] => 19580134 [patent_doc_number] => 12146234 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Advanced manufactured vapor-fed electrochemical reactor (AM-VFR) for improved performance for electrochemical conversion [patent_app_type] => utility [patent_app_number] => 17/010680 [patent_app_country] => US [patent_app_date] => 2020-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 10026 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17010680 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/010680
Advanced manufactured vapor-fed electrochemical reactor (AM-VFR) for improved performance for electrochemical conversion Sep 1, 2020 Issued
Array ( [id] => 17141532 [patent_doc_number] => 20210309544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => NITRATE REMOVAL FROM WATER BODIES USING ELECTROCATALYTIC HYDROGEN EVOLUTION AND CATALYTIC HYDROGENATION [patent_app_type] => utility [patent_app_number] => 17/004038 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17004038 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/004038
NITRATE REMOVAL FROM WATER BODIES USING ELECTROCATALYTIC HYDROGEN EVOLUTION AND CATALYTIC HYDROGENATION Aug 26, 2020 Abandoned
Array ( [id] => 17441952 [patent_doc_number] => 20220062457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => ELECTROLYTIC HAND SANITIZER DEVICE [patent_app_type] => utility [patent_app_number] => 17/004514 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17004514 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/004514
ELECTROLYTIC HAND SANITIZER DEVICE Aug 26, 2020 Abandoned
Array ( [id] => 16900541 [patent_doc_number] => 20210179457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => SYSTEMS AND METHODS FOR THE REMOVAL OF MINERALS FROM CONDUCTIVE PROTONIC FLUIDS [patent_app_type] => utility [patent_app_number] => 16/999701 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16999701 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/999701
Systems and methods for the removal of minerals from conductive protonic fluids Aug 20, 2020 Issued
Array ( [id] => 16506036 [patent_doc_number] => 20200385292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => DEVICES AND METHODS FOR THE REMEDIATION OF GROUNDWATER [patent_app_type] => utility [patent_app_number] => 16/997831 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -53 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16997831 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/997831
DEVICES AND METHODS FOR THE REMEDIATION OF GROUNDWATER Aug 18, 2020 Abandoned
Array ( [id] => 18202285 [patent_doc_number] => 11584667 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Electrolysis vessel [patent_app_type] => utility [patent_app_number] => 17/626703 [patent_app_country] => US [patent_app_date] => 2020-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10928 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17626703 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/626703
Electrolysis vessel Aug 17, 2020 Issued
Array ( [id] => 16467991 [patent_doc_number] => 20200369528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => APPARATUS AND PROCESS FOR THE PRODUCTION OF SODA ASH [patent_app_type] => utility [patent_app_number] => 16/984613 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16984613 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/984613
Process for the separation and selective recomposition of ions Aug 3, 2020 Issued
Array ( [id] => 16421753 [patent_doc_number] => 20200346951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => Potential of Zero Charge-Based Capacitive Deionization [patent_app_type] => utility [patent_app_number] => 16/934196 [patent_app_country] => US [patent_app_date] => 2020-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16934196 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/934196
Potential of Zero Charge-Based Capacitive Deionization Jul 20, 2020 Abandoned
Array ( [id] => 19166114 [patent_doc_number] => 11982007 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Gasket for electrolysis vessels, and electrolysis vessel using same [patent_app_type] => utility [patent_app_number] => 17/597107 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 9021 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17597107 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/597107
Gasket for electrolysis vessels, and electrolysis vessel using same Jul 16, 2020 Issued
Array ( [id] => 16525066 [patent_doc_number] => 20200399146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => ELECTROCHEMICAL DEVICES OR SYSTEMS COMPRISING REDOX-FUNCTIONALIZED ELECTRODES AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 16/921683 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 46602 [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] => 16921683 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/921683
Electrochemical devices or systems comprising redox-functionalized electrodes and uses thereof Jul 5, 2020 Issued
Array ( [id] => 16252478 [patent_doc_number] => 20200261852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => METAL COATED POLYMEMBRANE AND METHOD OF ELECTROFILTRATION AND ELECTROSORPTION USING A METAL COATED POLYMEMBRANE [patent_app_type] => utility [patent_app_number] => 16/869052 [patent_app_country] => US [patent_app_date] => 2020-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16869052 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/869052
Metal coated polymembrane May 6, 2020 Issued
Array ( [id] => 18685037 [patent_doc_number] => 11780754 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Return flow system for ion concentration polarization (ICP) desalination [patent_app_type] => utility [patent_app_number] => 16/839152 [patent_app_country] => US [patent_app_date] => 2020-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 66 [patent_no_of_words] => 20281 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16839152 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/839152
Return flow system for ion concentration polarization (ICP) desalination Apr 2, 2020 Issued
Array ( [id] => 18964502 [patent_doc_number] => 11898255 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Method of producing hydrogen peroxide using nanostructured bismuth oxide [patent_app_type] => utility [patent_app_number] => 16/829944 [patent_app_country] => US [patent_app_date] => 2020-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 3064 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16829944 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/829944
Method of producing hydrogen peroxide using nanostructured bismuth oxide Mar 24, 2020 Issued
Array ( [id] => 18748648 [patent_doc_number] => 11807948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Method of producing hydrogen peroxide using nanostructured bismuth oxide [patent_app_type] => utility [patent_app_number] => 16/829777 [patent_app_country] => US [patent_app_date] => 2020-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 3064 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [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] => 16829777 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/829777
Method of producing hydrogen peroxide using nanostructured bismuth oxide Mar 24, 2020 Issued
Array ( [id] => 18247024 [patent_doc_number] => 11603598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Back-illuminated photoelectrochemical cell [patent_app_type] => utility [patent_app_number] => 16/818923 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 3649 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16818923 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/818923
Back-illuminated photoelectrochemical cell Mar 12, 2020 Issued
Array ( [id] => 16112511 [patent_doc_number] => 20200208278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => ELECTROLYZER FOR GASEOUS CARBON DIOXIDE [patent_app_type] => utility [patent_app_number] => 16/816506 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20360 [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] => 16816506 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/816506
ELECTROLYZER FOR GASEOUS CARBON DIOXIDE Mar 11, 2020 Abandoned
Array ( [id] => 17407432 [patent_doc_number] => 11248304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-15 [patent_title] => Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using same [patent_app_type] => utility [patent_app_number] => 16/784678 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7258 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784678 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784678
Transparent electrode for oxygen production, method for producing same, tandem water decomposition reaction electrode provided with same, and oxygen production device using same Feb 6, 2020 Issued
Array ( [id] => 16073377 [patent_doc_number] => 20200190675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => METHODS AND SYSTEMS FOR FUEL PRODUCTION [patent_app_type] => utility [patent_app_number] => 16/780475 [patent_app_country] => US [patent_app_date] => 2020-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16780475 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/780475
METHODS AND SYSTEMS FOR FUEL PRODUCTION Feb 2, 2020 Abandoned
Array ( [id] => 18701213 [patent_doc_number] => 11787711 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Deionization electrode, apparatus and method for deionization electrode, electrode module and deionization module [patent_app_type] => utility [patent_app_number] => 16/635063 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4650 [patent_no_of_claims] => 1 [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] => 16635063 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/635063
Deionization electrode, apparatus and method for deionization electrode, electrode module and deionization module Jan 27, 2020 Issued
Array ( [id] => 15867221 [patent_doc_number] => 20200141014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => METHOD FOR THE OXIDATION AND HYDROTHERMAL DISSOCIATION OF METAL CHLORIDES FOR THE SEPARATION OF METALS AND HYDROCHLORIC ACID [patent_app_type] => utility [patent_app_number] => 16/736441 [patent_app_country] => US [patent_app_date] => 2020-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16736441 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/736441
METHOD FOR THE OXIDATION AND HYDROTHERMAL DISSOCIATION OF METAL CHLORIDES FOR THE SEPARATION OF METALS AND HYDROCHLORIC ACID Jan 6, 2020 Abandoned
Menu