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] => 8309954 [patent_doc_number] => 20120186979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-26 [patent_title] => 'DEVICE FOR ELECTRO MEMBRANE EXTRACTION' [patent_app_type] => utility [patent_app_number] => 13/312377 [patent_app_country] => US [patent_app_date] => 2011-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4696 [patent_no_of_claims] => 10 [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] => 13312377 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/312377
Device for electro membrane extraction Dec 5, 2011 Issued
Array ( [id] => 8224274 [patent_doc_number] => 20120138478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-07 [patent_title] => 'Electrolytic Cell for Ozone Production' [patent_app_type] => utility [patent_app_number] => 13/310406 [patent_app_country] => US [patent_app_date] => 2011-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6023 [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] => 13310406 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/310406
Electrolytic cell for ozone production Dec 1, 2011 Issued
Array ( [id] => 14119023 [patent_doc_number] => 10246356 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Apparatus for removal of ions comprising multiple stacks [patent_app_type] => utility [patent_app_number] => 13/990390 [patent_app_country] => US [patent_app_date] => 2011-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 5617 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13990390 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/990390
Apparatus for removal of ions comprising multiple stacks Nov 29, 2011 Issued
Array ( [id] => 9064394 [patent_doc_number] => 20130256150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'ELECTRICALLY CONDUCTIVE DIAMOND ELECTRODE, AND SULFURIC ACID ELECTROLYSIS METHOD AND SULFURIC ACID ELECTROLYSIS APPARATUS EACH UTILIZING SAME' [patent_app_type] => utility [patent_app_number] => 13/993205 [patent_app_country] => US [patent_app_date] => 2011-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9573 [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] => 13993205 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/993205
ELECTRICALLY CONDUCTIVE DIAMOND ELECTRODE, AND SULFURIC ACID ELECTROLYSIS METHOD AND SULFURIC ACID ELECTROLYSIS APPARATUS EACH UTILIZING SAME Nov 20, 2011 Abandoned
Array ( [id] => 8191848 [patent_doc_number] => 20120118744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'ELECTROCHEMICAL SEPARATION MODULES' [patent_app_type] => utility [patent_app_number] => 13/294279 [patent_app_country] => US [patent_app_date] => 2011-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 51 [patent_no_of_words] => 17439 [patent_no_of_claims] => 20 [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] => publications/A1/0118/20120118744.pdf [firstpage_image] =>[orig_patent_app_number] => 13294279 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/294279
Electrochemical separation modules Nov 10, 2011 Issued
Array ( [id] => 8191841 [patent_doc_number] => 20120118738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-17 [patent_title] => 'METHOD OF PROVIDING A SOURCE OF POTABLE WATER' [patent_app_type] => utility [patent_app_number] => 13/294266 [patent_app_country] => US [patent_app_date] => 2011-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 44 [patent_no_of_words] => 16950 [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] => publications/A1/0118/20120118738.pdf [firstpage_image] =>[orig_patent_app_number] => 13294266 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/294266
Method of providing a source of potable water Nov 10, 2011 Issued
Array ( [id] => 9950340 [patent_doc_number] => 08999120 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-07 [patent_title] => 'Ionized water production method and production device' [patent_app_type] => utility [patent_app_number] => 13/509687 [patent_app_country] => US [patent_app_date] => 2011-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4362 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 421 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13509687 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/509687
Ionized water production method and production device Nov 9, 2011 Issued
Array ( [id] => 8309967 [patent_doc_number] => 20120186990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-26 [patent_title] => 'PROCESS FOR PRODUCING CHLORINE WITH LOW BROMINE CONTENT' [patent_app_type] => utility [patent_app_number] => 13/286242 [patent_app_country] => US [patent_app_date] => 2011-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2218 [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] => 13286242 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/286242
Process for producing chlorine with low bromine content Oct 31, 2011 Issued
Array ( [id] => 8153826 [patent_doc_number] => 20120097541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-26 [patent_title] => 'APPARATUS AND PROCESS FOR SEPARATION AND SELECTIVE RECOMPOSITION OF IONS' [patent_app_type] => utility [patent_app_number] => 13/278983 [patent_app_country] => US [patent_app_date] => 2011-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13364 [patent_no_of_claims] => 23 [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] => publications/A1/0097/20120097541.pdf [firstpage_image] =>[orig_patent_app_number] => 13278983 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/278983
Apparatus and process for separation and selective recomposition of ions Oct 20, 2011 Issued
Array ( [id] => 8764503 [patent_doc_number] => 20130092540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-18 [patent_title] => 'ELECTRODEIONIZATION ELECTRODE CHAMBER CONFIGURATION FOR ENHANCING HARDNESS TOLERANCE' [patent_app_type] => utility [patent_app_number] => 13/273884 [patent_app_country] => US [patent_app_date] => 2011-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7109 [patent_no_of_claims] => 19 [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] => 13273884 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/273884
ELECTRODEIONIZATION ELECTRODE CHAMBER CONFIGURATION FOR ENHANCING HARDNESS TOLERANCE Oct 13, 2011 Abandoned
Array ( [id] => 7761924 [patent_doc_number] => 20120031767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-09 [patent_title] => 'ZINC OXIDE AND COBALT OXIDE NANOSTRUCTURES AND METHODS OF MAKING THEREOF' [patent_app_type] => utility [patent_app_number] => 13/273757 [patent_app_country] => US [patent_app_date] => 2011-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 69 [patent_figures_cnt] => 69 [patent_no_of_words] => 11511 [patent_no_of_claims] => 12 [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] => publications/A1/0031/20120031767.pdf [firstpage_image] =>[orig_patent_app_number] => 13273757 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/273757
ZINC OXIDE AND COBALT OXIDE NANOSTRUCTURES AND METHODS OF MAKING THEREOF Oct 13, 2011 Abandoned
Array ( [id] => 8766870 [patent_doc_number] => 20130094907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-18 [patent_title] => 'ELECTRO-REMEDIATION' [patent_app_type] => utility [patent_app_number] => 13/504473 [patent_app_country] => US [patent_app_date] => 2011-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8499 [patent_no_of_claims] => 33 [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] => 13504473 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/504473
Electro-remediation Oct 11, 2011 Issued
Array ( [id] => 10056481 [patent_doc_number] => 09095822 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-04 [patent_title] => 'Split flow EDI apparatus for treating second pass RO permeate water with high flow rate' [patent_app_type] => utility [patent_app_number] => 13/251677 [patent_app_country] => US [patent_app_date] => 2011-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 13921 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13251677 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/251677
Split flow EDI apparatus for treating second pass RO permeate water with high flow rate Oct 2, 2011 Issued
Array ( [id] => 8900759 [patent_doc_number] => 20130168262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'METHOD AND SYSTEM FOR ELECTROCHEMICAL REMOVAL OF NITRATE AND AMMONIA' [patent_app_type] => utility [patent_app_number] => 13/821695 [patent_app_country] => US [patent_app_date] => 2011-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4563 [patent_no_of_claims] => 24 [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] => 13821695 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/821695
METHOD AND SYSTEM FOR ELECTROCHEMICAL REMOVAL OF NITRATE AND AMMONIA Sep 19, 2011
Array ( [id] => 10064937 [patent_doc_number] => 09103780 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-11 [patent_title] => 'Pretreatment device for dissolved ions analysis and dissolved ion analysis system' [patent_app_type] => utility [patent_app_number] => 13/990984 [patent_app_country] => US [patent_app_date] => 2011-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 10613 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13990984 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/990984
Pretreatment device for dissolved ions analysis and dissolved ion analysis system Aug 29, 2011 Issued
Array ( [id] => 8925098 [patent_doc_number] => 20130180858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'ELECTRIC DEVICE FOR PRODUCING DEIONIZED WATER' [patent_app_type] => utility [patent_app_number] => 13/823081 [patent_app_country] => US [patent_app_date] => 2011-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6179 [patent_no_of_claims] => 10 [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] => 13823081 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/823081
Electric device for producing deionized water Aug 28, 2011 Issued
Array ( [id] => 7787185 [patent_doc_number] => 20120048741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-01 [patent_title] => 'Electrolytic On-Site Generator' [patent_app_type] => utility [patent_app_number] => 13/198276 [patent_app_country] => US [patent_app_date] => 2011-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8093 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0048/20120048741.pdf [firstpage_image] =>[orig_patent_app_number] => 13198276 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/198276
Electrolytic On-Site Generator Aug 3, 2011 Abandoned
Array ( [id] => 8862760 [patent_doc_number] => 20130146463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-13 [patent_title] => 'APPARATUS AND METHOD FOR REMOVAL OF IONS' [patent_app_type] => utility [patent_app_number] => 13/811625 [patent_app_country] => US [patent_app_date] => 2011-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9953 [patent_no_of_claims] => 20 [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] => 13811625 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/811625
APPARATUS AND METHOD FOR REMOVAL OF IONS Jul 21, 2011 Abandoned
Array ( [id] => 7720734 [patent_doc_number] => 20120010069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-12 [patent_title] => 'METHOD OF PRODUCING CORE-SHELL CATALYST PARTICLE AND CORE-SHELL CATALYST PARTICLE PRODUCED BY THIS PRODUCTION METHOD' [patent_app_type] => utility [patent_app_number] => 13/180081 [patent_app_country] => US [patent_app_date] => 2011-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4288 [patent_no_of_claims] => 20 [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] => publications/A1/0010/20120010069.pdf [firstpage_image] =>[orig_patent_app_number] => 13180081 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/180081
METHOD OF PRODUCING CORE-SHELL CATALYST PARTICLE AND CORE-SHELL CATALYST PARTICLE PRODUCED BY THIS PRODUCTION METHOD Jul 10, 2011 Abandoned
Array ( [id] => 8825309 [patent_doc_number] => 20130126354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'Electrolyte separation wall for the selective transfer of cations through the wall, manufacturing process and transfer process' [patent_app_type] => utility [patent_app_number] => 13/811434 [patent_app_country] => US [patent_app_date] => 2011-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6073 [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] => 13811434 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/811434
Electrolyte separation wall for the selective transfer of cations through the wall, manufacturing process and transfer process Jul 5, 2011 Abandoned
Menu