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] => 12366918 [patent_doc_number] => 09957172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-01 [patent_title] => Method for removing perfluorinated compounds by concentration and separation [patent_app_type] => utility [patent_app_number] => 14/387831 [patent_app_country] => US [patent_app_date] => 2014-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 7864 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14387831 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/387831
Method for removing perfluorinated compounds by concentration and separation Apr 17, 2014 Issued
Array ( [id] => 10685584 [patent_doc_number] => 20160031729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'WATER TREATMENT METHOD AND MINERAL THEREFOR' [patent_app_type] => utility [patent_app_number] => 14/783721 [patent_app_country] => US [patent_app_date] => 2014-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4157 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14783721 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/783721
WATER TREATMENT METHOD AND MINERAL THEREFOR Apr 13, 2014 Abandoned
Array ( [id] => 9854481 [patent_doc_number] => 20150034497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-05 [patent_title] => 'METHOD AND APPARATUS FOR ELECTROCHEMICAL RECOVERY OF MERCURY FROM SOLUTIONS' [patent_app_type] => utility [patent_app_number] => 14/231985 [patent_app_country] => US [patent_app_date] => 2014-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9418 [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] => 14231985 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/231985
METHOD AND APPARATUS FOR ELECTROCHEMICAL RECOVERY OF MERCURY FROM SOLUTIONS Mar 31, 2014 Abandoned
Array ( [id] => 10064208 [patent_doc_number] => 09103043 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-11 [patent_title] => 'Electrolyzing system' [patent_app_type] => utility [patent_app_number] => 14/225532 [patent_app_country] => US [patent_app_date] => 2014-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 5522 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14225532 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/225532
Electrolyzing system Mar 25, 2014 Issued
Array ( [id] => 10587532 [patent_doc_number] => 09309133 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Apparatus and process for separation and selective recomposition of ions' [patent_app_type] => utility [patent_app_number] => 14/221396 [patent_app_country] => US [patent_app_date] => 2014-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 13382 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14221396 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/221396
Apparatus and process for separation and selective recomposition of ions Mar 20, 2014 Issued
Array ( [id] => 10594325 [patent_doc_number] => 09315398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-19 [patent_title] => 'Apparatus and process for separation and selective recomposition of ions' [patent_app_type] => utility [patent_app_number] => 14/221411 [patent_app_country] => US [patent_app_date] => 2014-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 13383 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 14221411 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/221411
Apparatus and process for separation and selective recomposition of ions Mar 20, 2014 Issued
Array ( [id] => 10686327 [patent_doc_number] => 20160032471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'PROCESSES FOR PREPARING LITHIUM HYDROXIDE' [patent_app_type] => utility [patent_app_number] => 14/776922 [patent_app_country] => US [patent_app_date] => 2014-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 21639 [patent_no_of_claims] => 21 [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] => 14776922 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/776922
PROCESSES FOR PREPARING LITHIUM HYDROXIDE Mar 16, 2014 Abandoned
Array ( [id] => 12285793 [patent_doc_number] => 09932253 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-03 [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] => 14/215094 [patent_app_country] => US [patent_app_date] => 2014-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6646 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 565 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14215094 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/215094
Apparatus for purifying a fluid and method for purifying a fluid, in particular by means of the aforesaid apparatus Mar 16, 2014 Issued
Array ( [id] => 10374215 [patent_doc_number] => 20150259222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-17 [patent_title] => 'Electrolysis Remediation Device and Method' [patent_app_type] => utility [patent_app_number] => 14/214881 [patent_app_country] => US [patent_app_date] => 2014-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3213 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 12 [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] => 14214881 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/214881
Electrolysis Remediation Device and Method Mar 14, 2014 Abandoned
Array ( [id] => 9927797 [patent_doc_number] => 20150075989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-19 [patent_title] => 'DEVICES AND METHODS USING POROUS MEMBRANES FOR OIL-WATER EMULSION SEPARATION' [patent_app_type] => utility [patent_app_number] => 14/212690 [patent_app_country] => US [patent_app_date] => 2014-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 8806 [patent_no_of_claims] => 50 [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] => 14212690 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/212690
DEVICES AND METHODS USING POROUS MEMBRANES FOR OIL-WATER EMULSION SEPARATION Mar 13, 2014 Abandoned
Array ( [id] => 9600349 [patent_doc_number] => 20140197029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'METHOD, APPARATUS AND SYSTEM FOR DESALINATING SALTWATER' [patent_app_type] => utility [patent_app_number] => 14/211585 [patent_app_country] => US [patent_app_date] => 2014-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 29147 [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] => 14211585 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/211585
METHOD, APPARATUS AND SYSTEM FOR DESALINATING SALTWATER Mar 13, 2014 Abandoned
Array ( [id] => 10664078 [patent_doc_number] => 20160010222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-14 [patent_title] => 'ELECTROCHEMICAL WATER TREATMENT SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 14/772324 [patent_app_country] => US [patent_app_date] => 2014-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 15435 [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] => 14772324 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/772324
ELECTROCHEMICAL WATER TREATMENT SYSTEM AND METHOD Mar 11, 2014 Abandoned
Array ( [id] => 9720111 [patent_doc_number] => 20140255813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'ENERGY GENERATION AND STORAGE USING ELECTRO-SEPARATION METHODS AND DEVICES' [patent_app_type] => utility [patent_app_number] => 14/201687 [patent_app_country] => US [patent_app_date] => 2014-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9371 [patent_no_of_claims] => 22 [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] => 14201687 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/201687
ENERGY GENERATION AND STORAGE USING ELECTRO-SEPARATION METHODS AND DEVICES Mar 6, 2014 Abandoned
Array ( [id] => 11815235 [patent_doc_number] => 09719178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-01 [patent_title] => 'Electrochemical module configuration for the continuous acidification of alkaline water sources and recovery of CO2 with continuous hydrogen gas production' [patent_app_type] => utility [patent_app_number] => 14/193281 [patent_app_country] => US [patent_app_date] => 2014-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3059 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14193281 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/193281
Electrochemical module configuration for the continuous acidification of alkaline water sources and recovery of CO2 with continuous hydrogen gas production Feb 27, 2014 Issued
Array ( [id] => 11218647 [patent_doc_number] => 09446974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-20 [patent_title] => 'Fluid treatment methods and systems' [patent_app_type] => utility [patent_app_number] => 14/174499 [patent_app_country] => US [patent_app_date] => 2014-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 15253 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14174499 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/174499
Fluid treatment methods and systems Feb 5, 2014 Issued
Array ( [id] => 10476559 [patent_doc_number] => 20150361576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-17 [patent_title] => 'Acid Mist Control Apparatus' [patent_app_type] => utility [patent_app_number] => 14/765968 [patent_app_country] => US [patent_app_date] => 2014-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5633 [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] => 14765968 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/765968
Acid Mist Control Apparatus Feb 5, 2014 Abandoned
Array ( [id] => 10444371 [patent_doc_number] => 20150329384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'RECHARGEABLE ELECTROCHEMICAL CELLS' [patent_app_type] => utility [patent_app_number] => 14/655220 [patent_app_country] => US [patent_app_date] => 2014-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7431 [patent_no_of_claims] => 15 [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] => 14655220 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/655220
RECHARGEABLE ELECTROCHEMICAL CELLS Jan 29, 2014 Abandoned
Array ( [id] => 9459953 [patent_doc_number] => 20140124378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'Electrolytic On-Site Generator' [patent_app_type] => utility [patent_app_number] => 14/154579 [patent_app_country] => US [patent_app_date] => 2014-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8120 [patent_no_of_claims] => 31 [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] => 14154579 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/154579
Electrolytic On-Site Generator Jan 13, 2014 Abandoned
Array ( [id] => 10451805 [patent_doc_number] => 20150336819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-26 [patent_title] => 'ION ABSORPTION/DESORPTION DEVICE AND A METHOD THEREOF AS WELL AS A PH ADJUSTOR' [patent_app_type] => utility [patent_app_number] => 14/654857 [patent_app_country] => US [patent_app_date] => 2013-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5496 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 8 [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] => 14654857 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/654857
ION ABSORPTION/DESORPTION DEVICE AND A METHOD THEREOF AS WELL AS A PH ADJUSTOR Dec 18, 2013 Abandoned
Array ( [id] => 14198673 [patent_doc_number] => 10266429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-23 [patent_title] => Efficient treatment of wastewater using electrochemical cell [patent_app_type] => utility [patent_app_number] => 14/648414 [patent_app_country] => US [patent_app_date] => 2013-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 17434 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 348 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14648414 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/648414
Efficient treatment of wastewater using electrochemical cell Dec 1, 2013 Issued
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