Search

Sheng Han Davis

Examiner (ID: 15113, Phone: (571)270-5823 , Office: P/1732 )

Most Active Art Unit
1732
Art Unit(s)
4162, 1732, 1793
Total Applications
1230
Issued Applications
726
Pending Applications
144
Abandoned Applications
383

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15421223 [patent_doc_number] => 10543518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-28 [patent_title] => Chemical oxidation method [patent_app_type] => utility [patent_app_number] => 15/878953 [patent_app_country] => US [patent_app_date] => 2018-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 10637 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15878953 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/878953
Chemical oxidation method Jan 23, 2018 Issued
Array ( [id] => 16589645 [patent_doc_number] => 10898889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => SCR catalyst and exhaust gas cleaning system [patent_app_type] => utility [patent_app_number] => 15/877691 [patent_app_country] => US [patent_app_date] => 2018-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 4482 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15877691 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/877691
SCR catalyst and exhaust gas cleaning system Jan 22, 2018 Issued
Array ( [id] => 12749944 [patent_doc_number] => 20180141815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => System and Method for Containing an Emission of Sulfur Trioxide [patent_app_type] => utility [patent_app_number] => 15/873227 [patent_app_country] => US [patent_app_date] => 2018-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15873227 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/873227
System and method for containing an emission of sulfur trioxide Jan 16, 2018 Issued
Array ( [id] => 12884395 [patent_doc_number] => 20180186640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => METHOD FOR PREPARING CLEAN INSULATING SINGLE OR FEW SHEETS OF TOPOLOGICAL INSULATORS USING AN IONIC LIQUID [patent_app_type] => utility [patent_app_number] => 15/855023 [patent_app_country] => US [patent_app_date] => 2017-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1707 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15855023 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/855023
Method for preparing clean insulating single or few sheets of topological insulators using an ionic liquid Dec 26, 2017 Issued
Array ( [id] => 15651101 [patent_doc_number] => 20200088080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => SCR CATALYST DEVICE CONTAINING VANADIUM OXIDE AND MOLECULAR SIEVE CONTAINING IRON [patent_app_type] => utility [patent_app_number] => 16/469835 [patent_app_country] => US [patent_app_date] => 2017-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10763 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16469835 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/469835
SCR catalyst device containing vanadium oxide and molecular sieve containing iron Dec 19, 2017 Issued
Array ( [id] => 17362892 [patent_doc_number] => 11229901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => SCR catalyst device containing vanadium oxide and molecular sieve containing iron [patent_app_type] => utility [patent_app_number] => 16/469866 [patent_app_country] => US [patent_app_date] => 2017-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 10663 [patent_no_of_claims] => 20 [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] => 16469866 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/469866
SCR catalyst device containing vanadium oxide and molecular sieve containing iron Dec 19, 2017 Issued
Array ( [id] => 12815284 [patent_doc_number] => 20180163598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => SCR CATALYTIC SYSTEM [patent_app_type] => utility [patent_app_number] => 15/833462 [patent_app_country] => US [patent_app_date] => 2017-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15833462 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/833462
SCR CATALYTIC SYSTEM Dec 5, 2017 Abandoned
Array ( [id] => 14003891 [patent_doc_number] => 10220376 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-03-05 [patent_title] => Catalytic composition and system for exhaust purification [patent_app_type] => utility [patent_app_number] => 15/832508 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3083 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15832508 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/832508
Catalytic composition and system for exhaust purification Dec 4, 2017 Issued
Array ( [id] => 16320445 [patent_doc_number] => 10780395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-22 [patent_title] => Pollutant treatment process and apparatus [patent_app_type] => utility [patent_app_number] => 15/830701 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 11423 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15830701 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/830701
Pollutant treatment process and apparatus Dec 3, 2017 Issued
Array ( [id] => 19299704 [patent_doc_number] => 20240228273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => PROCESS FOR PRODUCING HYDROGEN [patent_app_type] => utility [patent_app_number] => 16/466334 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15666 [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] => 16466334 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466334
PROCESS FOR PRODUCING HYDROGEN Dec 3, 2017 Pending
Array ( [id] => 12749971 [patent_doc_number] => 20180141824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-24 [patent_title] => METHOD OF REDUCING THE AMMONIA EMISSION FROM SECONDARY ALUMINUM OXIDE [patent_app_type] => utility [patent_app_number] => 15/817637 [patent_app_country] => US [patent_app_date] => 2017-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4231 [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] => 15817637 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/817637
METHOD OF REDUCING THE AMMONIA EMISSION FROM SECONDARY ALUMINUM OXIDE Nov 19, 2017 Abandoned
Array ( [id] => 14244453 [patent_doc_number] => 10272413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-30 [patent_title] => Method for preparing a sorbent [patent_app_type] => utility [patent_app_number] => 15/814007 [patent_app_country] => US [patent_app_date] => 2017-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3486 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15814007 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/814007
Method for preparing a sorbent Nov 14, 2017 Issued
Array ( [id] => 16352936 [patent_doc_number] => 10793436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-06 [patent_title] => Two-dimensional transition metal chalcogenide nanostructure, device including the same, and method of preparing the two-dimensional transition metal chalcogenide nanostructure [patent_app_type] => utility [patent_app_number] => 15/805810 [patent_app_country] => US [patent_app_date] => 2017-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 22 [patent_no_of_words] => 8490 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15805810 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/805810
Two-dimensional transition metal chalcogenide nanostructure, device including the same, and method of preparing the two-dimensional transition metal chalcogenide nanostructure Nov 6, 2017 Issued
Array ( [id] => 17329981 [patent_doc_number] => 11220434 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-11 [patent_title] => Silicon carbide powder and method of preparing the same using a hydrophobic spherical silica aerogel [patent_app_type] => utility [patent_app_number] => 16/333523 [patent_app_country] => US [patent_app_date] => 2017-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8045 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16333523 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/333523
Silicon carbide powder and method of preparing the same using a hydrophobic spherical silica aerogel Oct 23, 2017 Issued
Array ( [id] => 14964851 [patent_doc_number] => 20190309904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => METHOD FOR STORING HYDROGEN GAS, HYDROGENATION REACTOR AND TRANSPORT CONTAINER [patent_app_type] => utility [patent_app_number] => 16/461206 [patent_app_country] => US [patent_app_date] => 2017-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5302 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16461206 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/461206
Method for storing hydrogen gas, hydrogenation reactor and transport container Oct 23, 2017 Issued
Array ( [id] => 14896565 [patent_doc_number] => 20190292048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => METHOD FOR PROVIDING HYDROGEN GAS, DEHYDROGENATION REACTOR AND TRANSPORT CONTAINER [patent_app_type] => utility [patent_app_number] => 16/461161 [patent_app_country] => US [patent_app_date] => 2017-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16461161 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/461161
METHOD FOR PROVIDING HYDROGEN GAS, DEHYDROGENATION REACTOR AND TRANSPORT CONTAINER Oct 23, 2017 Pending
Array ( [id] => 12205101 [patent_doc_number] => 20180050327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-22 [patent_title] => 'ZEOLITIC MATERIALS WITH MODIFIED SURFACE COMPOSITION, CRYSTAL STRUCTURE, CRYSTAL SIZE, AND/OR POROSITY, METHODS FOR MAKING THE SAME, AND METHODS FOR CONVERTING OXYGENATES TO OLEFINS VIA REACTIONS CATALYZED BY THE SAME' [patent_app_type] => utility [patent_app_number] => 15/783037 [patent_app_country] => US [patent_app_date] => 2017-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6889 [patent_no_of_claims] => 8 [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] => 15783037 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/783037
ZEOLITIC MATERIALS WITH MODIFIED SURFACE COMPOSITION, CRYSTAL STRUCTURE, CRYSTAL SIZE, AND/OR POROSITY, METHODS FOR MAKING THE SAME, AND METHODS FOR CONVERTING OXYGENATES TO OLEFINS VIA REACTIONS CATALYZED BY THE SAME Oct 12, 2017 Abandoned
Array ( [id] => 20241156 [patent_doc_number] => 12421465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Gasification process employing acid gas recycle [patent_app_type] => utility [patent_app_number] => 16/323819 [patent_app_country] => US [patent_app_date] => 2017-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1106 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16323819 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/323819
Gasification process employing acid gas recycle Oct 2, 2017 Issued
Array ( [id] => 12150461 [patent_doc_number] => 20180021725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'CATALYSTS FOR ENHANCED REDUCTION OF NOx GASES AND PROCESSES FOR MAKING AND USING SAME' [patent_app_type] => utility [patent_app_number] => 15/721139 [patent_app_country] => US [patent_app_date] => 2017-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6127 [patent_no_of_claims] => 7 [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] => 15721139 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/721139
CATALYSTS FOR ENHANCED REDUCTION OF NOx GASES AND PROCESSES FOR MAKING AND USING SAME Sep 28, 2017 Abandoned
Array ( [id] => 14622591 [patent_doc_number] => 20190224663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => Preparation Method of Denitration Catalyst with Wide Operating Temperature Range for Flue Gas [patent_app_type] => utility [patent_app_number] => 16/332984 [patent_app_country] => US [patent_app_date] => 2017-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332984 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332984
Preparation method of denitration catalyst with wide operating temperature range for flue gas Sep 27, 2017 Issued
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