Search

Keath T. Chen

Examiner (ID: 14103)

Most Active Art Unit
1716
Art Unit(s)
1762, 1792, 1712, 1716
Total Applications
1391
Issued Applications
435
Pending Applications
119
Abandoned Applications
853

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6861947 [patent_doc_number] => 20030092955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-15 [patent_title] => 'Method for the elimination of hazardous waste from dry cleaning waste products' [patent_app_type] => new [patent_app_number] => 10/045388 [patent_app_country] => US [patent_app_date] => 2001-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1623 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0092/20030092955.pdf [firstpage_image] =>[orig_patent_app_number] => 10045388 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/045388
Method for the elimination of hazardous waste from dry cleaning waste products Nov 8, 2001 Abandoned
Array ( [id] => 6791513 [patent_doc_number] => 20030086857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-08 [patent_title] => 'Apparatus and methods for production of molybdenum carbide' [patent_app_type] => new [patent_app_number] => 10/007349 [patent_app_country] => US [patent_app_date] => 2001-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8521 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0086/20030086857.pdf [firstpage_image] =>[orig_patent_app_number] => 10007349 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/007349
Methods for production of molybdenum carbide Nov 6, 2001 Issued
Array ( [id] => 5802654 [patent_doc_number] => 20020010382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-24 [patent_title] => 'Innovative incineration system for refuse-derived fuels, coal and petroleum coke, or chlorinated hydrocarbons' [patent_app_type] => new [patent_app_number] => 09/968997 [patent_app_country] => US [patent_app_date] => 2001-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5893 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0010/20020010382.pdf [firstpage_image] =>[orig_patent_app_number] => 09968997 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/968997
Incineration system for refuse-derived fuels, coal and petroleum coke, or chlorinated hydrocarbons Oct 1, 2001 Issued
Array ( [id] => 1282621 [patent_doc_number] => 06638489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-28 [patent_title] => 'Cleaning process and cleaning agent for harmful gas' [patent_app_type] => B2 [patent_app_number] => 09/956808 [patent_app_country] => US [patent_app_date] => 2001-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4013 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/638/06638489.pdf [firstpage_image] =>[orig_patent_app_number] => 09956808 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/956808
Cleaning process and cleaning agent for harmful gas Sep 20, 2001 Issued
Array ( [id] => 6064490 [patent_doc_number] => 20020032358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-14 [patent_title] => 'Reactive agent and process for decomposing fluorine compounds and use thereof' [patent_app_type] => new [patent_app_number] => 09/956796 [patent_app_country] => US [patent_app_date] => 2001-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 12620 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0032/20020032358.pdf [firstpage_image] =>[orig_patent_app_number] => 09956796 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/956796
Reactive agent and process for decomposing fluorine compounds and use thereof Sep 20, 2001 Issued
Array ( [id] => 1255453 [patent_doc_number] => 06667021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-23 [patent_title] => 'Method for producing enhanced sodium carbonate crystals for making sodium bicarbonate' [patent_app_type] => B2 [patent_app_number] => 09/950875 [patent_app_country] => US [patent_app_date] => 2001-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5529 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/667/06667021.pdf [firstpage_image] =>[orig_patent_app_number] => 09950875 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/950875
Method for producing enhanced sodium carbonate crystals for making sodium bicarbonate Sep 11, 2001 Issued
Array ( [id] => 6839332 [patent_doc_number] => 20030036672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-20 [patent_title] => 'Process for decontamination of ballast pitch material' [patent_app_type] => new [patent_app_number] => 09/923798 [patent_app_country] => US [patent_app_date] => 2001-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2167 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0036/20030036672.pdf [firstpage_image] =>[orig_patent_app_number] => 09923798 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/923798
Process for decontamination of ballast pitch material Aug 7, 2001 Issued
Array ( [id] => 6508420 [patent_doc_number] => 20020025901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-28 [patent_title] => 'Method of producing barium-containing composite metal oxide' [patent_app_type] => new [patent_app_number] => 09/912521 [patent_app_country] => US [patent_app_date] => 2001-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3122 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20020025901.pdf [firstpage_image] =>[orig_patent_app_number] => 09912521 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912521
Method of producing barium-containing composite metal oxide Jul 25, 2001 Issued
Array ( [id] => 1303290 [patent_doc_number] => 06620762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-16 [patent_title] => 'Exhaust gas purifying catalyst' [patent_app_type] => B2 [patent_app_number] => 09/902570 [patent_app_country] => US [patent_app_date] => 2001-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8700 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/620/06620762.pdf [firstpage_image] =>[orig_patent_app_number] => 09902570 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/902570
Exhaust gas purifying catalyst Jul 11, 2001 Issued
Array ( [id] => 7631136 [patent_doc_number] => 06635796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-21 [patent_title] => 'Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials' [patent_app_type] => B2 [patent_app_number] => 09/902533 [patent_app_country] => US [patent_app_date] => 2001-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 17592 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/635/06635796.pdf [firstpage_image] =>[orig_patent_app_number] => 09902533 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/902533
Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials Jul 8, 2001 Issued
Array ( [id] => 6934214 [patent_doc_number] => 20010055558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-27 [patent_title] => 'Alumina particles, production process thereof, composition comprising the particles and alumina slurry for polishing' [patent_app_type] => new [patent_app_number] => 09/891456 [patent_app_country] => US [patent_app_date] => 2001-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8514 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0055/20010055558.pdf [firstpage_image] =>[orig_patent_app_number] => 09891456 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/891456
Alumina particles, production process thereof, composition comprising the particles and alumina slurry for polishing Jun 26, 2001 Abandoned
Array ( [id] => 1294735 [patent_doc_number] => 06627085 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-30 [patent_title] => 'Treatment of brine to remove metals and silicon therefrom' [patent_app_type] => B2 [patent_app_number] => 09/891015 [patent_app_country] => US [patent_app_date] => 2001-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4018 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/627/06627085.pdf [firstpage_image] =>[orig_patent_app_number] => 09891015 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/891015
Treatment of brine to remove metals and silicon therefrom Jun 24, 2001 Issued
Array ( [id] => 6999864 [patent_doc_number] => 20010053343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-20 [patent_title] => 'Separation of metal chlorides from their suspensions in chlorosilanes' [patent_app_type] => new [patent_app_number] => 09/883317 [patent_app_country] => US [patent_app_date] => 2001-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4633 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0053/20010053343.pdf [firstpage_image] =>[orig_patent_app_number] => 09883317 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/883317
Separation of metal chlorides from their suspensions in chlorosilanes Jun 18, 2001 Issued
Array ( [id] => 6648469 [patent_doc_number] => 20030007923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-09 [patent_title] => 'Bicarbonate conversion in a carbonate monohydrate process' [patent_app_type] => new [patent_app_number] => 09/880342 [patent_app_country] => US [patent_app_date] => 2001-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5960 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0007/20030007923.pdf [firstpage_image] =>[orig_patent_app_number] => 09880342 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/880342
Bicarbonate conversion in a carbonate monohydrate process Jun 12, 2001 Issued
Array ( [id] => 1336136 [patent_doc_number] => 06589497 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-07-08 [patent_title] => 'Process for preparing soda ash from solution mined bicarbonate brines' [patent_app_type] => B2 [patent_app_number] => 09/880566 [patent_app_country] => US [patent_app_date] => 2001-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7453 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/589/06589497.pdf [firstpage_image] =>[orig_patent_app_number] => 09880566 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/880566
Process for preparing soda ash from solution mined bicarbonate brines Jun 12, 2001 Issued
Array ( [id] => 1358368 [patent_doc_number] => 06576807 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-10 [patent_title] => 'Method and apparatus for incinerating and vitrifying of waste, in particular radioactive waste' [patent_app_type] => B1 [patent_app_number] => 09/856685 [patent_app_country] => US [patent_app_date] => 2001-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4581 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/576/06576807.pdf [firstpage_image] =>[orig_patent_app_number] => 09856685 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/856685
Method and apparatus for incinerating and vitrifying of waste, in particular radioactive waste May 23, 2001 Issued
Array ( [id] => 1373120 [patent_doc_number] => 06555075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-29 [patent_title] => 'Method of preparing zinc carbonate' [patent_app_type] => B2 [patent_app_number] => 09/862474 [patent_app_country] => US [patent_app_date] => 2001-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3283 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/555/06555075.pdf [firstpage_image] =>[orig_patent_app_number] => 09862474 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/862474
Method of preparing zinc carbonate May 22, 2001 Issued
Array ( [id] => 1332690 [patent_doc_number] => 06592837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-07-15 [patent_title] => 'Narrow size distribution ground calcium carbonate compositions' [patent_app_type] => B2 [patent_app_number] => 09/839881 [patent_app_country] => US [patent_app_date] => 2001-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2007 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/592/06592837.pdf [firstpage_image] =>[orig_patent_app_number] => 09839881 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/839881
Narrow size distribution ground calcium carbonate compositions Apr 19, 2001 Issued
Array ( [id] => 6159765 [patent_doc_number] => 20020147378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-10 [patent_title] => 'Process for disposing of liquids containing solid residue' [patent_app_type] => new [patent_app_number] => 09/829204 [patent_app_country] => US [patent_app_date] => 2001-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1480 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0147/20020147378.pdf [firstpage_image] =>[orig_patent_app_number] => 09829204 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/829204
Process for disposing of liquids containing solid residue Apr 8, 2001 Abandoned
Array ( [id] => 1328891 [patent_doc_number] => 06596190 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-22 [patent_title] => 'Remediation agent for contaminated soil and method for the remediation of soil' [patent_app_type] => B1 [patent_app_number] => 09/806348 [patent_app_country] => US [patent_app_date] => 2001-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10000 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/596/06596190.pdf [firstpage_image] =>[orig_patent_app_number] => 09806348 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/806348
Remediation agent for contaminated soil and method for the remediation of soil Mar 28, 2001 Issued
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