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] => 11101274 [patent_doc_number] => 20160298244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'PRODUCTION OF GRAPHENE OXIDE' [patent_app_type] => utility [patent_app_number] => 15/038398 [patent_app_country] => US [patent_app_date] => 2014-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 20968 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 19 [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] => 15038398 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/038398
Production of graphene oxide Nov 19, 2014 Issued
Array ( [id] => 11443010 [patent_doc_number] => 20170044031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'A METHOD FOR HARMLESS DISPOSAL AND RESOURCE UTILIZATION OF RESIN DESORPTION LIQUID GENERATED IN THE ION EXCHANGE PROCESS' [patent_app_type] => utility [patent_app_number] => 15/305429 [patent_app_country] => US [patent_app_date] => 2014-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3984 [patent_no_of_claims] => 5 [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] => 15305429 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/305429
A METHOD FOR HARMLESS DISPOSAL AND RESOURCE UTILIZATION OF RESIN DESORPTION LIQUID GENERATED IN THE ION EXCHANGE PROCESS Nov 6, 2014 Abandoned
Array ( [id] => 9898370 [patent_doc_number] => 20150053569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-26 [patent_title] => 'ELECTROLYTIC CELL WITH CATHOLYTE RECYCLE' [patent_app_type] => utility [patent_app_number] => 14/529233 [patent_app_country] => US [patent_app_date] => 2014-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5506 [patent_no_of_claims] => 22 [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] => 14529233 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/529233
ELECTROLYTIC CELL WITH CATHOLYTE RECYCLE Oct 30, 2014 Abandoned
Array ( [id] => 10374217 [patent_doc_number] => 20150259224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-17 [patent_title] => 'Apparatus for purifying a fluid and method for purifying a fluid, in particular by means of the aforesaid apparatus' [patent_app_type] => utility [patent_app_number] => 14/527805 [patent_app_country] => US [patent_app_date] => 2014-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 13231 [patent_no_of_claims] => 26 [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] => 14527805 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/527805
Apparatus for purifying a fluid and method for purifying a fluid, in particular by means of the aforesaid apparatus Oct 29, 2014 Issued
Array ( [id] => 10374217 [patent_doc_number] => 20150259224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-17 [patent_title] => 'Apparatus for purifying a fluid and method for purifying a fluid, in particular by means of the aforesaid apparatus' [patent_app_type] => utility [patent_app_number] => 14/527805 [patent_app_country] => US [patent_app_date] => 2014-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 13231 [patent_no_of_claims] => 26 [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] => 14527805 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/527805
Apparatus for purifying a fluid and method for purifying a fluid, in particular by means of the aforesaid apparatus Oct 29, 2014 Issued
Array ( [id] => 9913685 [patent_doc_number] => 20150068888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-12 [patent_title] => 'METHODS AND APPARATUS OF ELECTROCHEMICAL PRODUCTION OF CARBON MONOXIDE, AND USES THEREOF' [patent_app_type] => utility [patent_app_number] => 14/493111 [patent_app_country] => US [patent_app_date] => 2014-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 12631 [patent_no_of_claims] => 17 [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] => 14493111 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/493111
Methods and apparatus of electrochemical production of carbon monoxide, and uses thereof Sep 21, 2014 Issued
Array ( [id] => 11032764 [patent_doc_number] => 20160229720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-11 [patent_title] => 'DEVICES AND METHODS FOR WATER DESALINATION' [patent_app_type] => utility [patent_app_number] => 15/021851 [patent_app_country] => US [patent_app_date] => 2014-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 17341 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 26 [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] => 15021851 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/021851
DEVICES AND METHODS FOR WATER DESALINATION Sep 10, 2014 Abandoned
Array ( [id] => 10714621 [patent_doc_number] => 20160060768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'POST LAUNCH INERT GAS PRODUCTION AND UTILIZATION SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 14/475689 [patent_app_country] => US [patent_app_date] => 2014-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2892 [patent_no_of_claims] => 26 [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] => 14475689 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/475689
POST LAUNCH INERT GAS PRODUCTION AND UTILIZATION SYSTEM AND METHOD Sep 2, 2014 Abandoned
Array ( [id] => 11464200 [patent_doc_number] => 09580821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-28 [patent_title] => 'Control method of differential pressure water electrolysis system' [patent_app_type] => utility [patent_app_number] => 14/469584 [patent_app_country] => US [patent_app_date] => 2014-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4779 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14469584 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/469584
Control method of differential pressure water electrolysis system Aug 26, 2014 Issued
Array ( [id] => 11113930 [patent_doc_number] => 20160310902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'ELECTRODIALYSIS SPACER AND STACK' [patent_app_type] => utility [patent_app_number] => 15/106282 [patent_app_country] => US [patent_app_date] => 2014-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 3730 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 9 [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] => 15106282 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/106282
ELECTRODIALYSIS SPACER AND STACK Aug 19, 2014 Abandoned
Array ( [id] => 10950125 [patent_doc_number] => 20140353146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-04 [patent_title] => 'ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION' [patent_app_type] => utility [patent_app_number] => 14/460697 [patent_app_country] => US [patent_app_date] => 2014-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 68082 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14460697 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/460697
ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION Aug 14, 2014 Abandoned
Array ( [id] => 9892790 [patent_doc_number] => 20150047989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-19 [patent_title] => 'COMBINED CO2 CAPTURE AND CONVERSION METHOD AND SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/460494 [patent_app_country] => US [patent_app_date] => 2014-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5607 [patent_no_of_claims] => 22 [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] => 14460494 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/460494
COMBINED CO2 CAPTURE AND CONVERSION METHOD AND SYSTEM Aug 14, 2014 Abandoned
Array ( [id] => 10978825 [patent_doc_number] => 20160175768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'METHOD AND SYSTEM FOR THE PURIFICATION OF EXHAUST GAS WITH AN ELECTROCHEMICAL CELL' [patent_app_type] => utility [patent_app_number] => 14/910461 [patent_app_country] => US [patent_app_date] => 2014-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4325 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 22 [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] => 14910461 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/910461
METHOD AND SYSTEM FOR THE PURIFICATION OF EXHAUST GAS WITH AN ELECTROCHEMICAL CELL Aug 7, 2014 Abandoned
Array ( [id] => 10381756 [patent_doc_number] => 20150266762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-24 [patent_title] => 'COMPLEX APPARATUS OF REVERSE ELECTRODIALYSIS EQUIPMENT AND DESALINATION PLANT AND METHOD FOR IMPROVING POWER DENSITY THEREOF' [patent_app_type] => utility [patent_app_number] => 14/339884 [patent_app_country] => US [patent_app_date] => 2014-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8311 [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] => 14339884 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/339884
COMPLEX APPARATUS OF REVERSE ELECTRODIALYSIS EQUIPMENT AND DESALINATION PLANT AND METHOD FOR IMPROVING POWER DENSITY THEREOF Jul 23, 2014 Abandoned
Array ( [id] => 11053635 [patent_doc_number] => 20160250597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-01 [patent_title] => 'A CALCIUM ION SEPARATION DEVICE' [patent_app_type] => utility [patent_app_number] => 14/761005 [patent_app_country] => US [patent_app_date] => 2014-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1086 [patent_no_of_claims] => 2 [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] => 14761005 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/761005
A CALCIUM ION SEPARATION DEVICE Jun 30, 2014 Abandoned
Array ( [id] => 9905097 [patent_doc_number] => 20150060297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-05 [patent_title] => 'GRAPHITE OXIDE AND GRAPHENE PREPARATION METHOD' [patent_app_type] => utility [patent_app_number] => 14/319397 [patent_app_country] => US [patent_app_date] => 2014-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3630 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14319397 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/319397
Graphite oxide and graphene preparation method Jun 29, 2014 Issued
Array ( [id] => 11828607 [patent_doc_number] => 09725340 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-08 [patent_title] => 'Method of building massively-parallel ion concentration polarization separation device' [patent_app_type] => utility [patent_app_number] => 14/281985 [patent_app_country] => US [patent_app_date] => 2014-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 9 [patent_no_of_words] => 6657 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14281985 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/281985
Method of building massively-parallel ion concentration polarization separation device May 19, 2014 Issued
Array ( [id] => 10444368 [patent_doc_number] => 20150329382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'Electrocoagulation Removal of Zinc in Produced Water' [patent_app_type] => utility [patent_app_number] => 14/278978 [patent_app_country] => US [patent_app_date] => 2014-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3913 [patent_no_of_claims] => 16 [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] => 14278978 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/278978
Electrocoagulation Removal of Zinc in Produced Water May 14, 2014 Abandoned
Array ( [id] => 10421507 [patent_doc_number] => 20150306518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-29 [patent_title] => 'Electrolytic Device for Contaminant Removal and Method' [patent_app_type] => utility [patent_app_number] => 14/260095 [patent_app_country] => US [patent_app_date] => 2014-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6192 [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] => 14260095 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/260095
Electrolytic device for contaminant removal and method Apr 22, 2014 Issued
Array ( [id] => 12199968 [patent_doc_number] => 09903026 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-27 [patent_title] => 'Method for the production of disinfectants with a concentration of active chlorine in the range from 2000 and up to 6000 ppm from a flow through diaphragm electrolyzer' [patent_app_type] => utility [patent_app_number] => 14/258479 [patent_app_country] => US [patent_app_date] => 2014-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2960 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14258479 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/258479
Method for the production of disinfectants with a concentration of active chlorine in the range from 2000 and up to 6000 ppm from a flow through diaphragm electrolyzer Apr 21, 2014 Issued
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