Search

Sheng Han Davis

Examiner (ID: 17019, Phone: (571)270-5823 , Office: P/1732 )

Most Active Art Unit
1732
Art Unit(s)
1732, 4162, 1793
Total Applications
1258
Issued Applications
743
Pending Applications
144
Abandoned Applications
389

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12117670 [patent_doc_number] => 20180001257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'MULTI-FUNCTIONAL COMPOSITION OF MATTER FOR RAPID REMOVAL OF MERCURY FROM A FLUE GAS' [patent_app_type] => utility [patent_app_number] => 15/401824 [patent_app_country] => US [patent_app_date] => 2017-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8114 [patent_no_of_claims] => 1 [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] => 15401824 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/401824
Multi-functional composition of matter for rapid removal of mercury from a flue gas Jan 8, 2017 Issued
Array ( [id] => 16908864 [patent_doc_number] => 11040888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-22 [patent_title] => Low alpha dose barium sulfate particle, and use and process for producing the same [patent_app_type] => utility [patent_app_number] => 16/063748 [patent_app_country] => US [patent_app_date] => 2016-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12767 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16063748 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063748
Low alpha dose barium sulfate particle, and use and process for producing the same Dec 22, 2016 Issued
Array ( [id] => 13730665 [patent_doc_number] => 20180369800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => A CATALYST BED AND METHOD FOR REDUCING NITROGEN OXIDES [patent_app_type] => utility [patent_app_number] => 16/064240 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 1 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16064240 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/064240
Catalyst bed and method for reducing nitrogen oxides Dec 19, 2016 Issued
Array ( [id] => 13775455 [patent_doc_number] => 20190001266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => A CATALYST BED AND METHOD FOR REDUCING NITROGEN OXIDES [patent_app_type] => utility [patent_app_number] => 16/064169 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2894 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16064169 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/064169
Catalyst bed and method for reducing nitrogen oxides Dec 19, 2016 Issued
Array ( [id] => 13730571 [patent_doc_number] => 20180369753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => A REACTOR FOR REDUCING NITROGEN OXIDES [patent_app_type] => utility [patent_app_number] => 16/064200 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16064200 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/064200
Reactor for reducing nitrogen oxides Dec 19, 2016 Issued
Array ( [id] => 13804117 [patent_doc_number] => 10179319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-15 [patent_title] => Manganese oxide nanoarchitectures for broad-spectrum removal of toxic gases in air-filtration applications [patent_app_type] => utility [patent_app_number] => 15/383938 [patent_app_country] => US [patent_app_date] => 2016-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3659 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15383938 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/383938
Manganese oxide nanoarchitectures for broad-spectrum removal of toxic gases in air-filtration applications Dec 18, 2016 Issued
Array ( [id] => 18232444 [patent_doc_number] => 11596988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Method and plant for waste treatment [patent_app_type] => utility [patent_app_number] => 16/061885 [patent_app_country] => US [patent_app_date] => 2016-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6272 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 16061885 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/061885
Method and plant for waste treatment Dec 15, 2016 Issued
Array ( [id] => 12657850 [patent_doc_number] => 20180111116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-26 [patent_title] => CATALYST AND MANUFACTURING METHOD OF CATALYST [patent_app_type] => utility [patent_app_number] => 15/377961 [patent_app_country] => US [patent_app_date] => 2016-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2983 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15377961 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/377961
CATALYST AND MANUFACTURING METHOD OF CATALYST Dec 12, 2016 Abandoned
Array ( [id] => 13777527 [patent_doc_number] => 20190002302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => Hydrate of Rare Earth Metal Sulfate, Method for Producing Same, and Chemical Thermal Storage Material [patent_app_type] => utility [patent_app_number] => 16/060118 [patent_app_country] => US [patent_app_date] => 2016-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6516 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16060118 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/060118
Hydrate of Rare Earth Metal Sulfate, Method for Producing Same, and Chemical Thermal Storage Material Dec 7, 2016 Abandoned
Array ( [id] => 13619529 [patent_doc_number] => 20180361316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => POWDERED COMPOSTION COMPRISING ONE OR MORE DOUBLE SALT(S) FOR USE IN COMBUSTION GAS PURIFICATION [patent_app_type] => utility [patent_app_number] => 15/781917 [patent_app_country] => US [patent_app_date] => 2016-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4784 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15781917 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/781917
POWDERED COMPOSTION COMPRISING ONE OR MORE DOUBLE SALT(S) FOR USE IN COMBUSTION GAS PURIFICATION Dec 7, 2016 Abandoned
Array ( [id] => 13138105 [patent_doc_number] => 10086366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-02 [patent_title] => Promoted, attrition resistant, silica supported precipitated iron catalyst [patent_app_type] => utility [patent_app_number] => 15/372963 [patent_app_country] => US [patent_app_date] => 2016-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 14 [patent_no_of_words] => 8895 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15372963 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/372963
Promoted, attrition resistant, silica supported precipitated iron catalyst Dec 7, 2016 Issued
Array ( [id] => 13152379 [patent_doc_number] => 10092895 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-09 [patent_title] => Process for catalytic decomposition of nitrogen protoxide [patent_app_type] => utility [patent_app_number] => 15/370868 [patent_app_country] => US [patent_app_date] => 2016-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1873 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15370868 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/370868
Process for catalytic decomposition of nitrogen protoxide Dec 5, 2016 Issued
Array ( [id] => 13604711 [patent_doc_number] => 20180353904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => COMPOSITION MADE FROM UREA FOR TREATING EXHAUST GASES [patent_app_type] => utility [patent_app_number] => 15/778604 [patent_app_country] => US [patent_app_date] => 2016-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15778604 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/778604
Composition made from urea for treating exhaust gases Nov 27, 2016 Issued
Array ( [id] => 11663421 [patent_doc_number] => 20170152141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-01 [patent_title] => 'METHOD FOR PREPARING HETEROGENEOUS METAL-FREE FENTON CATALYST AND APPLICATION' [patent_app_type] => utility [patent_app_number] => 15/362213 [patent_app_country] => US [patent_app_date] => 2016-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7050 [patent_no_of_claims] => 20 [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] => 15362213 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/362213
METHOD FOR PREPARING HETEROGENEOUS METAL-FREE FENTON CATALYST AND APPLICATION Nov 27, 2016 Abandoned
Array ( [id] => 13549613 [patent_doc_number] => 20180326354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => IMPROVED PROCESS FOR REMOVING NOX FROM EXHAUST GAS [patent_app_type] => utility [patent_app_number] => 15/776578 [patent_app_country] => US [patent_app_date] => 2016-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2910 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15776578 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/776578
IMPROVED PROCESS FOR REMOVING NOX FROM EXHAUST GAS Nov 15, 2016 Abandoned
Array ( [id] => 17586824 [patent_doc_number] => 11325069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Method and apparatus for removing NOx and N2O from a gas [patent_app_type] => utility [patent_app_number] => 15/765395 [patent_app_country] => US [patent_app_date] => 2016-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2577 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15765395 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/765395
Method and apparatus for removing NOx and N2O from a gas Oct 27, 2016 Issued
Array ( [id] => 13928687 [patent_doc_number] => 20190047859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => METHOD AND PLANT DESIGN FOR REDUCTION OF START-UP SULFUR OXIDE EMISSIONS IN SULFURIC ACID PRODUCTION [patent_app_type] => utility [patent_app_number] => 15/765683 [patent_app_country] => US [patent_app_date] => 2016-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15765683 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/765683
Method and plant design for reduction of start-up sulfur oxide emissions in sulfuric acid production Oct 23, 2016 Issued
Array ( [id] => 16841982 [patent_doc_number] => 11014045 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution [patent_app_type] => utility [patent_app_number] => 15/775436 [patent_app_country] => US [patent_app_date] => 2016-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4127 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15775436 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/775436
Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution Oct 19, 2016 Issued
Array ( [id] => 13735013 [patent_doc_number] => 20180371974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => FLUID FOR PURIFYING HEAT ENGINES AND METHODS FOR PREPARING SAID FLUIDS BY EMULSIFICATION [patent_app_type] => utility [patent_app_number] => 15/775461 [patent_app_country] => US [patent_app_date] => 2016-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15775461 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/775461
Fluid for purifying heat engines and methods for preparing said fluids by emulsification Oct 19, 2016 Issued
Array ( [id] => 14568249 [patent_doc_number] => 20190211731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => CATALYST SUBSTRATES [patent_app_type] => utility [patent_app_number] => 16/332298 [patent_app_country] => US [patent_app_date] => 2016-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2835 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332298 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332298
CATALYST SUBSTRATES Sep 22, 2016 Abandoned
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