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] => 14294153 [patent_doc_number] => 10287190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-14 [patent_title] => Electrode for electrochemical abatement of chemical oxygen demand of industrial wastes [patent_app_type] => utility [patent_app_number] => 14/374267 [patent_app_country] => US [patent_app_date] => 2013-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2230 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14374267 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/374267
Electrode for electrochemical abatement of chemical oxygen demand of industrial wastes Feb 6, 2013 Issued
Array ( [id] => 12246507 [patent_doc_number] => 09919271 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-20 [patent_title] => 'Electrochemical processes to separate products derived from biological conversions' [patent_app_type] => utility [patent_app_number] => 14/375388 [patent_app_country] => US [patent_app_date] => 2013-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5680 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14375388 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/375388
Electrochemical processes to separate products derived from biological conversions Jan 29, 2013 Issued
Array ( [id] => 8947222 [patent_doc_number] => 20130193002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-01 [patent_title] => 'APPARATUS FOR PRODUCING ELECTROLYTIC REDUCED WATER AND CONTROL METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/747782 [patent_app_country] => US [patent_app_date] => 2013-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8802 [patent_no_of_claims] => 20 [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] => 13747782 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/747782
APPARATUS FOR PRODUCING ELECTROLYTIC REDUCED WATER AND CONTROL METHOD THEREOF Jan 22, 2013 Abandoned
Array ( [id] => 12945265 [patent_doc_number] => 09834458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-05 [patent_title] => Performance enhancement of electrochemical deionization devices by pre-treatment with cation exchange resins [patent_app_type] => utility [patent_app_number] => 14/375391 [patent_app_country] => US [patent_app_date] => 2013-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 16816 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14375391 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/375391
Performance enhancement of electrochemical deionization devices by pre-treatment with cation exchange resins Jan 21, 2013 Issued
Array ( [id] => 10244438 [patent_doc_number] => 20150129433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-14 [patent_title] => 'METHOD FOR RECOVERING A METAL FROM SOLUTION, SYSTEM FOR RECOVERING A METAL FROM SOLUTION, AND SYSTEM FOR RECOVERING LITHIUM FROM SALT WATER' [patent_app_type] => utility [patent_app_number] => 14/401467 [patent_app_country] => US [patent_app_date] => 2013-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5825 [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] => 14401467 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/401467
METHOD FOR RECOVERING A METAL FROM SOLUTION, SYSTEM FOR RECOVERING A METAL FROM SOLUTION, AND SYSTEM FOR RECOVERING LITHIUM FROM SALT WATER Jan 16, 2013 Abandoned
Array ( [id] => 9541850 [patent_doc_number] => 20140166498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'WATER PURIFICATION SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/720772 [patent_app_country] => US [patent_app_date] => 2012-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6797 [patent_no_of_claims] => 20 [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] => 13720772 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/720772
WATER PURIFICATION SYSTEM AND METHOD Dec 18, 2012 Abandoned
Array ( [id] => 10936077 [patent_doc_number] => 20140339098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-20 [patent_title] => 'PROCESS AND CATALYST FOR THE ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE' [patent_app_type] => utility [patent_app_number] => 14/364379 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10307 [patent_no_of_claims] => 21 [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] => 14364379 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/364379
PROCESS AND CATALYST FOR THE ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE Dec 12, 2012 Abandoned
Array ( [id] => 10361827 [patent_doc_number] => 20150246832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-03 [patent_title] => 'CELL FOR ELECTROLYZING A LIQUID' [patent_app_type] => utility [patent_app_number] => 14/430486 [patent_app_country] => US [patent_app_date] => 2012-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 13188 [patent_no_of_claims] => 38 [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] => 14430486 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/430486
Cell for electrolyzing a liquid Dec 6, 2012 Issued
Array ( [id] => 8764578 [patent_doc_number] => 20130092615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-18 [patent_title] => 'Micro-Current Electrolysis Sterilization Algaecide Device And Method' [patent_app_type] => utility [patent_app_number] => 13/708608 [patent_app_country] => US [patent_app_date] => 2012-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 12359 [patent_no_of_claims] => 11 [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] => 13708608 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/708608
Micro-Current Electrolysis Sterilization Algaecide Device And Method Dec 6, 2012 Abandoned
Array ( [id] => 10923592 [patent_doc_number] => 20140326612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-06 [patent_title] => 'METHOD FOR MANUFACTURING SOLID OXIDE AND DEVICE THEREFOR' [patent_app_type] => utility [patent_app_number] => 14/363090 [patent_app_country] => US [patent_app_date] => 2012-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11289 [patent_no_of_claims] => 15 [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] => 14363090 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/363090
Method for manufacturing solid oxide and device therefor Dec 4, 2012 Issued
Array ( [id] => 9277331 [patent_doc_number] => 20140027299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-30 [patent_title] => 'Process for forming expanded hexagonal layered minerals and derivatives using electrochemical charging' [patent_app_type] => utility [patent_app_number] => 14/009800 [patent_app_country] => US [patent_app_date] => 2012-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4026 [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] => 14009800 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/009800
Process for forming expanded hexagonal layered minerals and derivatives using electrochemical charging Nov 21, 2012 Issued
Array ( [id] => 9487842 [patent_doc_number] => 20140138247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-22 [patent_title] => 'APPARATUS AND METHOD FOR WATER TREATMENT MAINLY BY SUBSTITUTION USING A DYNAMIC ELECTRIC FIELD' [patent_app_type] => utility [patent_app_number] => 13/683212 [patent_app_country] => US [patent_app_date] => 2012-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8989 [patent_no_of_claims] => 20 [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] => 13683212 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/683212
APPARATUS AND METHOD FOR WATER TREATMENT MAINLY BY SUBSTITUTION USING A DYNAMIC ELECTRIC FIELD Nov 20, 2012 Abandoned
Array ( [id] => 9344302 [patent_doc_number] => 08663447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'Conversion of carbon dioxide to organic products' [patent_app_type] => utility [patent_app_number] => 13/680890 [patent_app_country] => US [patent_app_date] => 2012-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8450 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13680890 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/680890
Conversion of carbon dioxide to organic products Nov 18, 2012 Issued
Array ( [id] => 11388959 [patent_doc_number] => 09550190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-24 [patent_title] => 'Dewatering oil sand tailings' [patent_app_type] => utility [patent_app_number] => 13/670317 [patent_app_country] => US [patent_app_date] => 2012-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 7250 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13670317 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/670317
Dewatering oil sand tailings Nov 5, 2012 Issued
Array ( [id] => 9122407 [patent_doc_number] => 20130289329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'DECONTAMINATION METHOD OF CLADDING HULL WASTES GENERATED FROM SPENT NUCLEAR FUEL AND APPARATUS THEREOF' [patent_app_type] => utility [patent_app_number] => 13/654292 [patent_app_country] => US [patent_app_date] => 2012-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4966 [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] => 13654292 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/654292
DECONTAMINATION METHOD OF CLADDING HULL WASTES GENERATED FROM SPENT NUCLEAR FUEL AND APPARATUS THEREOF Oct 16, 2012 Abandoned
Array ( [id] => 8680208 [patent_doc_number] => 20130048492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'Conversion of Carbon Dioxide to Organic Products' [patent_app_type] => utility [patent_app_number] => 13/652094 [patent_app_country] => US [patent_app_date] => 2012-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8416 [patent_no_of_claims] => 12 [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] => 13652094 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/652094
Conversion of Carbon Dioxide to Organic Products Oct 14, 2012 Abandoned
Array ( [id] => 13051833 [patent_doc_number] => 10047300 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-14 [patent_title] => Process for metal reduction of hydrocarbon oil [patent_app_type] => utility [patent_app_number] => 14/347492 [patent_app_country] => US [patent_app_date] => 2012-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3839 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14347492 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/347492
Process for metal reduction of hydrocarbon oil Oct 11, 2012 Issued
Array ( [id] => 8764521 [patent_doc_number] => 20130092558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-18 [patent_title] => 'APPARATUS FOR PRODUCING ELECTROLYTIC REDUCED WATER AND CONTROL METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/648643 [patent_app_country] => US [patent_app_date] => 2012-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 13233 [patent_no_of_claims] => 36 [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] => 13648643 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/648643
APPARATUS FOR PRODUCING ELECTROLYTIC REDUCED WATER AND CONTROL METHOD THEREOF Oct 9, 2012 Abandoned
Array ( [id] => 8753162 [patent_doc_number] => 20130087466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-11 [patent_title] => 'ELECTROCHEMICAL DIGESTION OF ORGANIC MOLECULES' [patent_app_type] => utility [patent_app_number] => 13/630776 [patent_app_country] => US [patent_app_date] => 2012-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8753 [patent_no_of_claims] => 40 [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] => 13630776 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/630776
Electrochemical digestion of organic molecules Sep 27, 2012 Issued
Array ( [id] => 9359950 [patent_doc_number] => 20140069822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-13 [patent_title] => 'ELECTROCHEMICAL REDUCTION OF DISULFIDE BONDS IN PROTEINACEOUS SUBSTANCES AND ELECTROCHEMICAL CELL FOR CARRYING OUT SUCH REDUCTION' [patent_app_type] => utility [patent_app_number] => 13/608907 [patent_app_country] => US [patent_app_date] => 2012-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4708 [patent_no_of_claims] => 17 [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] => 13608907 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/608907
ELECTROCHEMICAL REDUCTION OF DISULFIDE BONDS IN PROTEINACEOUS SUBSTANCES AND ELECTROCHEMICAL CELL FOR CARRYING OUT SUCH REDUCTION Sep 9, 2012 Abandoned
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