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] => 13492635 [patent_doc_number] => 20180297860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => ELECTROCHEMICAL REACTOR FOR ELECTROCHEMICALLY TREATING WATER, A WATER TREATMENT APPARATUS AND USE OF SUCH SAID ELECTROCHEMICAL REACTOR [patent_app_type] => utility [patent_app_number] => 16/011826 [patent_app_country] => US [patent_app_date] => 2018-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2719 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16011826 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/011826
Electrochemical reactor for electrochemically treating water, a water treatment apparatus and use of such said electrochemical reactor Jun 18, 2018 Issued
Array ( [id] => 13444647 [patent_doc_number] => 20180273866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => NOVEL PROCESS FOR REMOVAL OF NITROGEN FROM NATURAL GAS [patent_app_type] => utility [patent_app_number] => 15/992877 [patent_app_country] => US [patent_app_date] => 2018-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5065 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15992877 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/992877
NOVEL PROCESS FOR REMOVAL OF NITROGEN FROM NATURAL GAS May 29, 2018 Abandoned
Array ( [id] => 13445137 [patent_doc_number] => 20180274111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => ELECTROLYTIC BUFFER GENERATOR [patent_app_type] => utility [patent_app_number] => 15/990043 [patent_app_country] => US [patent_app_date] => 2018-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14640 [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] => 15990043 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/990043
Electrolytic buffer generator May 24, 2018 Issued
Array ( [id] => 16743557 [patent_doc_number] => 10968532 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-06 [patent_title] => Method for electrolytic cleaning of aluminum [patent_app_type] => utility [patent_app_number] => 15/985982 [patent_app_country] => US [patent_app_date] => 2018-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2242 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15985982 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/985982
Method for electrolytic cleaning of aluminum May 21, 2018 Issued
Array ( [id] => 18315004 [patent_doc_number] => 11629073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Hybrid system for water treatment, desalination, and chemical production [patent_app_type] => utility [patent_app_number] => 16/613997 [patent_app_country] => US [patent_app_date] => 2018-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4271 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16613997 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/613997
Hybrid system for water treatment, desalination, and chemical production May 10, 2018 Issued
Array ( [id] => 13329409 [patent_doc_number] => 20180216242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => ELECTROCHEMICAL SYSTEMS AND METHODS USING METAL HALIDE TO FORM PRODUCTS [patent_app_type] => utility [patent_app_number] => 15/935442 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 15935442 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/935442
ELECTROCHEMICAL SYSTEMS AND METHODS USING METAL HALIDE TO FORM PRODUCTS Mar 25, 2018 Abandoned
Array ( [id] => 16452369 [patent_doc_number] => 20200361795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => Electrolytic Water Production Device and a Method of Producing Electrolytic Water [patent_app_type] => utility [patent_app_number] => 16/493099 [patent_app_country] => US [patent_app_date] => 2018-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16493099 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493099
Electrolytic Water Production Device and a Method of Producing Electrolytic Water Mar 19, 2018 Abandoned
Array ( [id] => 13536275 [patent_doc_number] => 20180319681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => Contactless Ion Concentration Method & Apparatus Using Nanoporous Membrane with Applied Potential [patent_app_type] => utility [patent_app_number] => 15/908606 [patent_app_country] => US [patent_app_date] => 2018-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 15908606 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908606
Contactless Ion Concentration Method & Apparatus Using Nanoporous Membrane with Applied Potential Feb 27, 2018 Abandoned
Array ( [id] => 14882115 [patent_doc_number] => 10421080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-24 [patent_title] => Multi-domain electrostatic filter [patent_app_type] => utility [patent_app_number] => 15/892388 [patent_app_country] => US [patent_app_date] => 2018-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4813 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 403 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15892388 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/892388
Multi-domain electrostatic filter Feb 7, 2018 Issued
Array ( [id] => 13410969 [patent_doc_number] => 20180257027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => SYSTEM AND METHOD FOR ADJUSTING CARBON DIOXIDE CONCENTRATION IN INDOOR ATMOSPHERES [patent_app_type] => utility [patent_app_number] => 15/880780 [patent_app_country] => US [patent_app_date] => 2018-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15880780 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/880780
System and method for adjusting carbon dioxide concentration in indoor atmospheres Jan 25, 2018 Issued
Array ( [id] => 13301043 [patent_doc_number] => 20180202058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => TITANIUM MASTER ALLOY FOR TITANIUM-ALUMINUM BASED ALLOYS [patent_app_type] => utility [patent_app_number] => 15/872328 [patent_app_country] => US [patent_app_date] => 2018-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4383 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -36 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15872328 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/872328
TITANIUM MASTER ALLOY FOR TITANIUM-ALUMINUM BASED ALLOYS Jan 15, 2018 Abandoned
Array ( [id] => 15024257 [patent_doc_number] => 20190323133 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => METHOD OF PRODUCING AMMONIUM PERSULFATE [patent_app_type] => utility [patent_app_number] => 16/475738 [patent_app_country] => US [patent_app_date] => 2017-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16475738 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/475738
METHOD OF PRODUCING AMMONIUM PERSULFATE Dec 26, 2017 Abandoned
Array ( [id] => 15526893 [patent_doc_number] => 20200055752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => ELECTROLYZED WATER PRODUCTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/348587 [patent_app_country] => US [patent_app_date] => 2017-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 16348587 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/348587
ELECTROLYZED WATER PRODUCTION DEVICE Dec 26, 2017 Abandoned
Array ( [id] => 15587119 [patent_doc_number] => 20200070094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => APPARATUS AND METHOD FOR THREE-DIMENSIONAL PHOTO-ELECTRODIALYSIS [patent_app_type] => utility [patent_app_number] => 16/467900 [patent_app_country] => US [patent_app_date] => 2017-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6557 [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] => 16467900 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/467900
APPARATUS AND METHOD FOR THREE-DIMENSIONAL PHOTO-ELECTRODIALYSIS Dec 20, 2017 Abandoned
Array ( [id] => 14926247 [patent_doc_number] => 20190298761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => DEVICE FOR PRODUCING AQUEOUS LIQUID HAVING FREE AVAILABLE CHLORINE (FAC) [patent_app_type] => utility [patent_app_number] => 16/468149 [patent_app_country] => US [patent_app_date] => 2017-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11962 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 16468149 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/468149
DEVICE FOR PRODUCING AQUEOUS LIQUID HAVING FREE AVAILABLE CHLORINE (FAC) Dec 14, 2017 Abandoned
Array ( [id] => 15405967 [patent_doc_number] => 20200023305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => DEHUMIDIFYING FILM, DEHUMIDIFYING ELEMENT, METHOD FOR FABRICATING DEHUMIDIFYING FILM, AND METHOD FOR FABRICATING DEHUMIDIFYING ELEMENT [patent_app_type] => utility [patent_app_number] => 16/338072 [patent_app_country] => US [patent_app_date] => 2017-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16338072 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/338072
DEHUMIDIFYING FILM, DEHUMIDIFYING ELEMENT, METHOD FOR FABRICATING DEHUMIDIFYING FILM, AND METHOD FOR FABRICATING DEHUMIDIFYING ELEMENT Nov 26, 2017 Abandoned
Array ( [id] => 12790156 [patent_doc_number] => 20180155221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-07 [patent_title] => WATER TREATMENT SYSTEM AND METHODS USING RADIAL DEIONIZATION [patent_app_type] => utility [patent_app_number] => 15/821522 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12681 [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] => 15821522 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/821522
WATER TREATMENT SYSTEM AND METHODS USING RADIAL DEIONIZATION Nov 21, 2017 Abandoned
Array ( [id] => 15177791 [patent_doc_number] => 20190359487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => CARBON MATERIAL AND METHOD FOR MANUFACTURING CARBON MATERIAL [patent_app_type] => utility [patent_app_number] => 16/332868 [patent_app_country] => US [patent_app_date] => 2017-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16332868 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332868
Carbon material and method for manufacturing carbon material Nov 20, 2017 Issued
Array ( [id] => 15883521 [patent_doc_number] => 10648093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-12 [patent_title] => Water electrolysis system and method of controlling the same [patent_app_type] => utility [patent_app_number] => 15/817463 [patent_app_country] => US [patent_app_date] => 2017-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 12405 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 452 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15817463 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/817463
Water electrolysis system and method of controlling the same Nov 19, 2017 Issued
Array ( [id] => 12750007 [patent_doc_number] => 20180141836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => ELECTROCHEMICAL REMOVAL OF SULFIDE SPECIES AND PHOSPHORUS SPECIES [patent_app_type] => utility [patent_app_number] => 15/814889 [patent_app_country] => US [patent_app_date] => 2017-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21987 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15814889 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/814889
ELECTROCHEMICAL REMOVAL OF SULFIDE SPECIES AND PHOSPHORUS SPECIES Nov 15, 2017 Abandoned
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