Search

Hoi Ching Lau

Examiner (ID: 348, Phone: (571)272-8547 , Office: P/2682 )

Most Active Art Unit
2689
Art Unit(s)
2682, 2689, 2612, 2636
Total Applications
1492
Issued Applications
1111
Pending Applications
84
Abandoned Applications
319

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8409926 [patent_doc_number] => 08273321 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-09-25 [patent_title] => 'Analytical grade salt' [patent_app_type] => utility [patent_app_number] => 13/216232 [patent_app_country] => US [patent_app_date] => 2011-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3087 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13216232 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/216232
Analytical grade salt Aug 22, 2011 Issued
Array ( [id] => 10511275 [patent_doc_number] => 09238850 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-19 [patent_title] => 'Sustainable process for reclaiming precious metals and base metals from e-waste' [patent_app_type] => utility [patent_app_number] => 13/817868 [patent_app_country] => US [patent_app_date] => 2011-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 11189 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13817868 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/817868
Sustainable process for reclaiming precious metals and base metals from e-waste Aug 18, 2011 Issued
Array ( [id] => 7579616 [patent_doc_number] => 20110293499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'METHOD FOR PREPARING RARE-EARTH HALIDE BLOCKS' [patent_app_type] => utility [patent_app_number] => 13/206941 [patent_app_country] => US [patent_app_date] => 2011-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9011 [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/A1/0293/20110293499.pdf [firstpage_image] =>[orig_patent_app_number] => 13206941 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/206941
Rare-earth halide single crystals Aug 9, 2011 Issued
Array ( [id] => 9523534 [patent_doc_number] => 08747793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-10 [patent_title] => 'Hollow sphere with mesoporous structure and method for manufacturing the same' [patent_app_type] => utility [patent_app_number] => 13/204143 [patent_app_country] => US [patent_app_date] => 2011-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3247 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13204143 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/204143
Hollow sphere with mesoporous structure and method for manufacturing the same Aug 4, 2011 Issued
Array ( [id] => 8927767 [patent_doc_number] => 20130183527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'PROCESS FOR OBTAINING NANOCRYSTALLINE CORUNDUM FROM NATURAL OR SYNTHETIC ALUMS' [patent_app_type] => utility [patent_app_number] => 13/814524 [patent_app_country] => US [patent_app_date] => 2011-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7168 [patent_no_of_claims] => 17 [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] => 13814524 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/814524
PROCESS FOR OBTAINING NANOCRYSTALLINE CORUNDUM FROM NATURAL OR SYNTHETIC ALUMS Aug 2, 2011 Abandoned
Array ( [id] => 8915863 [patent_doc_number] => 20130177488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-11 [patent_title] => 'PROCESS FOR SEPARATING ZIRCONIUM AND HAFNIUM TETRACHLORIDES FROM MIXTURES' [patent_app_type] => utility [patent_app_number] => 13/813696 [patent_app_country] => US [patent_app_date] => 2011-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6258 [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] => 13813696 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/813696
Process for separating zirconium and hafnium tetrachlorides from mixtures Aug 1, 2011 Issued
Array ( [id] => 8663953 [patent_doc_number] => 08377413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-19 [patent_title] => 'Method for preparing mayenite-containing oxide and method for preparing electroconductive mayenite-containing oxide' [patent_app_type] => utility [patent_app_number] => 13/192568 [patent_app_country] => US [patent_app_date] => 2011-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8308 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13192568 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/192568
Method for preparing mayenite-containing oxide and method for preparing electroconductive mayenite-containing oxide Jul 27, 2011 Issued
Array ( [id] => 8637025 [patent_doc_number] => 20130028828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-31 [patent_title] => 'Conversion of gaseous carbon dioxide into aqueous alkaline and/or alkaline earth bicarbonate solutions' [patent_app_type] => utility [patent_app_number] => 13/136153 [patent_app_country] => US [patent_app_date] => 2011-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9386 [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] => 13136153 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/136153
Conversion of gaseous carbon dioxide into aqueous alkaline and/or alkaline earth bicarbonate solutions Jul 24, 2011 Issued
Array ( [id] => 8637023 [patent_doc_number] => 20130028827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-31 [patent_title] => 'AMMONIUM RECOVERY FROM WASTE WATER USING CO2 ACIDIFIED ABSORPTION WATER' [patent_app_type] => utility [patent_app_number] => 13/190355 [patent_app_country] => US [patent_app_date] => 2011-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5095 [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] => 13190355 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/190355
Ammonium recovery from waste water using CO2 acidified absorption water Jul 24, 2011 Issued
Array ( [id] => 7583083 [patent_doc_number] => 20110277593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-17 [patent_title] => 'CONTROLLED COPPER LEACH RECOVERY CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/188231 [patent_app_country] => US [patent_app_date] => 2011-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8326 [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] => publications/A1/0277/20110277593.pdf [firstpage_image] =>[orig_patent_app_number] => 13188231 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/188231
Controlled metal leach recovery circuit Jul 20, 2011 Issued
Array ( [id] => 8469328 [patent_doc_number] => 08298506 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-30 [patent_title] => 'Titanium dioxide particles doped with rare earth element' [patent_app_type] => utility [patent_app_number] => 13/137063 [patent_app_country] => US [patent_app_date] => 2011-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 10434 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13137063 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/137063
Titanium dioxide particles doped with rare earth element Jul 18, 2011 Issued
Array ( [id] => 10121675 [patent_doc_number] => 09156022 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-13 [patent_title] => 'Attrition resistant supports for fischer-tropsch catalyst and process for making same' [patent_app_type] => utility [patent_app_number] => 13/816054 [patent_app_country] => US [patent_app_date] => 2011-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6969 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [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] => 13816054 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/816054
Attrition resistant supports for fischer-tropsch catalyst and process for making same Jul 18, 2011 Issued
Array ( [id] => 8729084 [patent_doc_number] => 20130074653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-28 [patent_title] => 'METHOD FOR PRODUCING RAW MATERIAL FOR FERRONICKEL SMELTING FROM LOW GRADE NICKEL OXIDE ORE' [patent_app_type] => utility [patent_app_number] => 13/701951 [patent_app_country] => US [patent_app_date] => 2011-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8480 [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] => 13701951 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/701951
Method for producing raw material for ferronickel smelting from low grade nickel oxide ore Jul 12, 2011 Issued
Array ( [id] => 7496663 [patent_doc_number] => 20110260103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-27 [patent_title] => 'METHODS FOR PREPARING AND REGENERATING MATERIALS CONTAINING AMORPHOUS IRON OXIDE HYDROXIDE AND DESULFURIZER COMPRISING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/174728 [patent_app_country] => US [patent_app_date] => 2011-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24356 [patent_no_of_claims] => 32 [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] => publications/A1/0260/20110260103.pdf [firstpage_image] =>[orig_patent_app_number] => 13174728 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/174728
Methods for preparing and regenerating materials containing amorphous iron oxide hydroxide and desulfurizer comprising the same Jun 29, 2011 Issued
Array ( [id] => 7509745 [patent_doc_number] => 20110256039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-20 [patent_title] => 'METHOD FOR REGENERATING AMORPHOUS IRON OXIDE HYDROXIDE AND DESULFURIZER CONTAINING AMORPHOUS IRON OXIDE HYDROXIDE AS ACTIVE COMPONENT' [patent_app_type] => utility [patent_app_number] => 13/172893 [patent_app_country] => US [patent_app_date] => 2011-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7018 [patent_no_of_claims] => 23 [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] => publications/A1/0256/20110256039.pdf [firstpage_image] =>[orig_patent_app_number] => 13172893 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/172893
Method for regenerating amorphous iron oxide hydroxide and desulfurizer containing amorphous iron oxide hydroxide as active component Jun 29, 2011 Issued
Array ( [id] => 9880738 [patent_doc_number] => 08967492 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-03 [patent_title] => 'Droplet generation system and method' [patent_app_type] => utility [patent_app_number] => 13/807506 [patent_app_country] => US [patent_app_date] => 2011-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4432 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13807506 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/807506
Droplet generation system and method Jun 29, 2011 Issued
Array ( [id] => 7496662 [patent_doc_number] => 20110260102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-27 [patent_title] => 'PREPARATION AND REPEATED REGENERATION OF MATERIAL CONTAINING AMORPHOUS IRON OXIDE HYDROXIDE, DESULFURIZATION AGENTS CONTAINING THE MATERIAL, AND PREPARATION AND REPEATED REGENERATION THEREOF' [patent_app_type] => utility [patent_app_number] => 13/174743 [patent_app_country] => US [patent_app_date] => 2011-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17517 [patent_no_of_claims] => 32 [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] => publications/A1/0260/20110260102.pdf [firstpage_image] =>[orig_patent_app_number] => 13174743 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/174743
Preparation and repeated regeneration of material containing amorphous iron oxide hydroxide, desulfurization agents containing the material, and preparation and repeated regeneration thereof Jun 29, 2011 Issued
Array ( [id] => 8975904 [patent_doc_number] => 20130209335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'LEACHING PROCESS FOR COPPER CONCENTRATES CONTAINING CHALCOPYRITE' [patent_app_type] => utility [patent_app_number] => 13/805388 [patent_app_country] => US [patent_app_date] => 2011-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5058 [patent_no_of_claims] => 23 [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] => 13805388 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/805388
Leaching process for copper concentrates containing chalcopyrite Jun 27, 2011 Issued
Array ( [id] => 10837425 [patent_doc_number] => 08865096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-21 [patent_title] => 'Process for the joint production of sodium carbonate and sodium bicarbonate' [patent_app_type] => utility [patent_app_number] => 13/805005 [patent_app_country] => US [patent_app_date] => 2011-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7002 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13805005 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/805005
Process for the joint production of sodium carbonate and sodium bicarbonate Jun 20, 2011 Issued
Array ( [id] => 8282444 [patent_doc_number] => 08216532 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-07-10 [patent_title] => 'Methods of recovering rare earth elements' [patent_app_type] => utility [patent_app_number] => 13/163325 [patent_app_country] => US [patent_app_date] => 2011-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 12059 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13163325 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/163325
Methods of recovering rare earth elements Jun 16, 2011 Issued
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