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] => 12177749 [patent_doc_number] => 20180036685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'Method for Fouling Reduction in Membrane Based Fluid-Flow Processes, and Device Capable of Performing Such Method' [patent_app_type] => utility [patent_app_number] => 15/551534 [patent_app_country] => US [patent_app_date] => 2016-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 11493 [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] => 15551534 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/551534
Method for Fouling Reduction in Membrane Based Fluid-Flow Processes, and Device Capable of Performing Such Method Feb 18, 2016 Abandoned
Array ( [id] => 17208043 [patent_doc_number] => 11168404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-09 [patent_title] => Electrochemical method of producing single-layer or few-layer graphene sheets [patent_app_type] => utility [patent_app_number] => 14/998784 [patent_app_country] => US [patent_app_date] => 2016-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7436 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14998784 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/998784
Electrochemical method of producing single-layer or few-layer graphene sheets Feb 16, 2016 Issued
Array ( [id] => 12150457 [patent_doc_number] => 20180021721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'MAGNETIC DECOMPOSITION DEVICE, AND MAGNETIC DECOMPOSITION METHOD' [patent_app_type] => utility [patent_app_number] => 15/549105 [patent_app_country] => US [patent_app_date] => 2016-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3491 [patent_no_of_claims] => 7 [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] => 15549105 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/549105
MAGNETIC DECOMPOSITION DEVICE, AND MAGNETIC DECOMPOSITION METHOD Feb 3, 2016 Abandoned
Array ( [id] => 11025581 [patent_doc_number] => 20160222536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-04 [patent_title] => 'Carbon Nanotube Structures and Methods for Production Thereof' [patent_app_type] => utility [patent_app_number] => 15/014579 [patent_app_country] => US [patent_app_date] => 2016-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9698 [patent_no_of_claims] => 23 [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] => 15014579 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/014579
Carbon nanotube structures and methods for production thereof Feb 2, 2016 Issued
Array ( [id] => 12151940 [patent_doc_number] => 20180023204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'SELECTIVE PORPHYRIN-CATALYZED ELECTROCHEMICAL REDUCTION OF CO2 INTO CO IN WATER' [patent_app_type] => utility [patent_app_number] => 15/547938 [patent_app_country] => US [patent_app_date] => 2016-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 13031 [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] => 15547938 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/547938
SELECTIVE PORPHYRIN-CATALYZED ELECTROCHEMICAL REDUCTION OF CO2 INTO CO IN WATER Feb 1, 2016 Abandoned
Array ( [id] => 17435798 [patent_doc_number] => 11261109 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Single module, flow-electrode apparatus and method for continous water desalination and ion separation by capacitive deionization [patent_app_type] => utility [patent_app_number] => 15/543622 [patent_app_country] => US [patent_app_date] => 2016-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6422 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15543622 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/543622
Single module, flow-electrode apparatus and method for continous water desalination and ion separation by capacitive deionization Jan 14, 2016 Issued
Array ( [id] => 12057501 [patent_doc_number] => 20170333845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-23 [patent_title] => 'APPARATUS AND METHOD FOR RECOVERING ACID' [patent_app_type] => utility [patent_app_number] => 15/532512 [patent_app_country] => US [patent_app_date] => 2016-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3947 [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] => 15532512 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/532512
APPARATUS AND METHOD FOR RECOVERING ACID Jan 5, 2016 Abandoned
Array ( [id] => 13621595 [patent_doc_number] => 20180362349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => GRAPHENE OXIDE AND METHOD OF PRODUCTION THEREOF [patent_app_type] => utility [patent_app_number] => 16/061233 [patent_app_country] => US [patent_app_date] => 2015-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16061233 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/061233
Graphene oxide and method of production thereof Dec 13, 2015 Issued
Array ( [id] => 10821820 [patent_doc_number] => 20160167984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'Potential of Zero charge-Based Capacitive Deionization' [patent_app_type] => utility [patent_app_number] => 14/757209 [patent_app_country] => US [patent_app_date] => 2015-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 58 [patent_no_of_words] => 13233 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [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] => 14757209 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/757209
Potential of zero charge-based capacitive deionization Dec 2, 2015 Issued
Array ( [id] => 12092374 [patent_doc_number] => 20170349468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'Improvements in and Relating to the Treatment of Matrices and/or the Contents of Matrices' [patent_app_type] => utility [patent_app_number] => 15/531990 [patent_app_country] => US [patent_app_date] => 2015-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 11549 [patent_no_of_claims] => 31 [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] => 15531990 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/531990
Improvements in and Relating to the Treatment of Matrices and/or the Contents of Matrices Nov 30, 2015 Abandoned
Array ( [id] => 15510841 [patent_doc_number] => 10561988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Methods of providing inlets and outlets to cell pairs in wound ED devices [patent_app_type] => utility [patent_app_number] => 15/528273 [patent_app_country] => US [patent_app_date] => 2015-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 28 [patent_no_of_words] => 10546 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15528273 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/528273
Methods of providing inlets and outlets to cell pairs in wound ED devices Nov 22, 2015 Issued
Array ( [id] => 12981082 [patent_doc_number] => 20170342578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-30 [patent_title] => A NEW CLASS OF ELECTROCATALYSTS [patent_app_type] => utility [patent_app_number] => 15/526007 [patent_app_country] => US [patent_app_date] => 2015-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -45 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15526007 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/526007
A NEW CLASS OF ELECTROCATALYSTS Nov 10, 2015 Abandoned
Array ( [id] => 12545898 [patent_doc_number] => 10011504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-03 [patent_title] => Method and apparatus for separating salts from a liquid solution [patent_app_type] => utility [patent_app_number] => 14/932417 [patent_app_country] => US [patent_app_date] => 2015-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 8886 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14932417 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/932417
Method and apparatus for separating salts from a liquid solution Nov 3, 2015 Issued
Array ( [id] => 12138070 [patent_doc_number] => 20180016153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'PROCESSING OF LITHIUM CONTAINING MATERIAL INCLUDING HCL SPARGE' [patent_app_type] => utility [patent_app_number] => 15/546560 [patent_app_country] => US [patent_app_date] => 2015-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3723 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 13 [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] => 15546560 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/546560
Processing of lithium containing material including HCl sparge Oct 29, 2015 Issued
Array ( [id] => 10768889 [patent_doc_number] => 20160115045 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-28 [patent_title] => 'PURIFICATION OF ULTRA-HIGH SALINE AND CONTAMINATED WATER BY MULTI-STAGE ION CONCENTRATION POLARIZATION (ICP) DESALINATION' [patent_app_type] => utility [patent_app_number] => 14/920992 [patent_app_country] => US [patent_app_date] => 2015-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6677 [patent_no_of_claims] => 13 [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] => 14920992 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/920992
Purification of ultra-high saline and contaminated water by multi-stage ion concentration polarization (ICP) desalination Oct 22, 2015 Issued
Array ( [id] => 12154538 [patent_doc_number] => 20180025801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'RADIOISOTOPE RECOVERY' [patent_app_type] => utility [patent_app_number] => 15/521207 [patent_app_country] => US [patent_app_date] => 2015-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10035 [patent_no_of_claims] => 27 [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] => 15521207 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/521207
RADIOISOTOPE RECOVERY Oct 21, 2015 Abandoned
Array ( [id] => 10762376 [patent_doc_number] => 20160108529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-21 [patent_title] => 'ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION' [patent_app_type] => utility [patent_app_number] => 14/879525 [patent_app_country] => US [patent_app_date] => 2015-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 41 [patent_no_of_words] => 62209 [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] => 14879525 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/879525
ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION Oct 8, 2015 Abandoned
Array ( [id] => 10694158 [patent_doc_number] => 20160040304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-11 [patent_title] => 'ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION' [patent_app_type] => utility [patent_app_number] => 14/877329 [patent_app_country] => US [patent_app_date] => 2015-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 40 [patent_no_of_words] => 62266 [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] => 14877329 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/877329
ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION Oct 6, 2015 Abandoned
Array ( [id] => 11033335 [patent_doc_number] => 20160230291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-11 [patent_title] => 'ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION' [patent_app_type] => utility [patent_app_number] => 14/876760 [patent_app_country] => US [patent_app_date] => 2015-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 41 [patent_no_of_words] => 62214 [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] => 14876760 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/876760
ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION Oct 5, 2015 Abandoned
Array ( [id] => 14550993 [patent_doc_number] => 10343937 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Electrocoagulation reactor [patent_app_type] => utility [patent_app_number] => 14/870966 [patent_app_country] => US [patent_app_date] => 2015-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6070 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14870966 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/870966
Electrocoagulation reactor Sep 29, 2015 Issued
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