Search

Khanh B. Pham

Examiner (ID: 7428, Phone: (571)272-4116 , Office: P/2166 )

Most Active Art Unit
2166
Art Unit(s)
2167, 2177, 2166
Total Applications
1219
Issued Applications
801
Pending Applications
124
Abandoned Applications
304

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20615296 [patent_doc_number] => 20260085384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => HIGH-PERFORMANCE COPPER ALLOY TUBE AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 19/403300 [patent_app_country] => US [patent_app_date] => 2025-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19403300 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/403300
HIGH-PERFORMANCE COPPER ALLOY TUBE AND PREPARATION METHOD THEREOF Nov 27, 2025 Pending
Array ( [id] => 20239965 [patent_doc_number] => 12420269 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-09-23 [patent_title] => Simple preparation method and use of support of catalyst for hydrogenation [patent_app_type] => utility [patent_app_number] => 19/214086 [patent_app_country] => US [patent_app_date] => 2025-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19214086 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/214086
Simple preparation method and use of support of catalyst for hydrogenation May 20, 2025 Issued
Array ( [id] => 20206586 [patent_doc_number] => 20250276306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => OXYGEN-VACANCY-RICH MoOx/ZrO2 CATALYST AND PREPARATION METHOD AND APPLICATION THEREOF IN HYDRODEOXYGENATION OF BIOMASS GAS-SOLID SYSTEM [patent_app_type] => utility [patent_app_number] => 19/209844 [patent_app_country] => US [patent_app_date] => 2025-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19209844 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/209844
Oxygen-vacancy-rich MoO May 15, 2025 Issued
Array ( [id] => 20048760 [patent_doc_number] => 20250186982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => COMPOSITIONS AND METHODS FOR TREATING POROUS MATERIALS [patent_app_type] => utility [patent_app_number] => 19/054306 [patent_app_country] => US [patent_app_date] => 2025-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19054306 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/054306
Compositions and methods for treating porous materials Feb 13, 2025 Issued
Array ( [id] => 20103230 [patent_doc_number] => 20250233166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => NITROGEN-DOPED GRAPHITIZED CARBON MATERIAL AND PREPARATION METHOD [patent_app_type] => utility [patent_app_number] => 19/017805 [patent_app_country] => US [patent_app_date] => 2025-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19017805 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/017805
Nitrogen-doped graphitized carbon material and preparation method Jan 12, 2025 Issued
Array ( [id] => 19910154 [patent_doc_number] => 12286349 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-29 [patent_title] => Synthesis of nanocomposite for green energy production [patent_app_type] => utility [patent_app_number] => 18/985178 [patent_app_country] => US [patent_app_date] => 2024-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 784 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18985178 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/985178
Synthesis of nanocomposite for green energy production Dec 17, 2024 Issued
Array ( [id] => 19897104 [patent_doc_number] => 12275003 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => Carbon-supported copper manganite nanoparticles for biofuel production [patent_app_type] => utility [patent_app_number] => 18/971324 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 2119 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18971324 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/971324
Carbon-supported copper manganite nanoparticles for biofuel production Dec 5, 2024 Issued
Array ( [id] => 19951401 [patent_doc_number] => 12322772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Methods for preparing supported catalysts using waste lithium batteries and attapulgite [patent_app_type] => utility [patent_app_number] => 18/959575 [patent_app_country] => US [patent_app_date] => 2024-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 830 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18959575 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/959575
Methods for preparing supported catalysts using waste lithium batteries and attapulgite Nov 24, 2024 Issued
Array ( [id] => 19666459 [patent_doc_number] => 12179181 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-31 [patent_title] => Activated supported Bi [patent_app_type] => utility [patent_app_number] => 18/820350 [patent_app_country] => US [patent_app_date] => 2024-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6201 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18820350 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/820350
Activated supported Bi Aug 29, 2024 Issued
Array ( [id] => 19535822 [patent_doc_number] => 12128356 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-29 [patent_title] => Process for removing hydrogen sulfide from sour gases with ZIF-67 supported on mixed metal oxides [patent_app_type] => utility [patent_app_number] => 18/761552 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 11550 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761552
Process for removing hydrogen sulfide from sour gases with ZIF-67 supported on mixed metal oxides Jul 1, 2024 Issued
Array ( [id] => 20128229 [patent_doc_number] => 12370529 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Method for manufacturing a supported tantalum catalyst [patent_app_type] => utility [patent_app_number] => 18/746623 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2321 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746623 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746623
Method for manufacturing a supported tantalum catalyst Jun 17, 2024 Issued
Array ( [id] => 19737526 [patent_doc_number] => 12214341 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-04 [patent_title] => Method for preparing a catalyst for pyrolysis of waste plastics to produce oil and use thereof [patent_app_type] => utility [patent_app_number] => 18/676367 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4702 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18676367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/676367
Method for preparing a catalyst for pyrolysis of waste plastics to produce oil and use thereof May 27, 2024 Issued
Array ( [id] => 19666458 [patent_doc_number] => 12179180 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-31 [patent_title] => Organoselenium compounds with gold-modified Bi2O3/TiO2 supported in carbon-activated carbons [patent_app_type] => utility [patent_app_number] => 18/669187 [patent_app_country] => US [patent_app_date] => 2024-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6163 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18669187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/669187
Organoselenium compounds with gold-modified Bi2O3/TiO2 supported in carbon-activated carbons May 19, 2024 Issued
Array ( [id] => 20165437 [patent_doc_number] => 20250257483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => CATALYST AND ANODE FOR HYDROGEN PRODUCTION BY ELECTROLYSIS AS WELL AS PREPARATION METHOD, ACTIVATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 19/104715 [patent_app_country] => US [patent_app_date] => 2024-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19104715 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/104715
Catalyst and anode for hydrogen production by electrolysis as well as preparation method, activation method and use thereof May 14, 2024 Issued
Array ( [id] => 19650390 [patent_doc_number] => 12172152 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-24 [patent_title] => Synthesis and application of zinc cobalt oxide/sulfide nanorods for photocatalytic water splitting and carbon dioxide reduction [patent_app_type] => utility [patent_app_number] => 18/660554 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 8348 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660554 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660554
Synthesis and application of zinc cobalt oxide/sulfide nanorods for photocatalytic water splitting and carbon dioxide reduction May 9, 2024 Issued
Array ( [id] => 19403462 [patent_doc_number] => 20240286973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Transition Metal-Catalyzed Production of Alcohol and Carbonyl Compounds From Hydrocarbons [patent_app_type] => utility [patent_app_number] => 18/659092 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17971 [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] => 18659092 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659092
Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons May 8, 2024 Issued
Array ( [id] => 19513084 [patent_doc_number] => 20240344770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Process for the commercial production of high-quality catalyst materials [patent_app_type] => utility [patent_app_number] => 18/445978 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18445978 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/445978
Process for the commercial production of high-quality catalyst materials Apr 22, 2024 Pending
Array ( [id] => 19180225 [patent_doc_number] => 11986801 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => Synthesis of a Au-(TiO [patent_app_type] => utility [patent_app_number] => 18/438788 [patent_app_country] => US [patent_app_date] => 2024-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2650 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18438788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/438788
Synthesis of a Au-(TiO Feb 11, 2024 Issued
Array ( [id] => 19201801 [patent_doc_number] => 20240173700 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => FLUORINE REMOVAL FROM ANTIMONY FLUOROHALIDE CATALYST USING CHLOROCARBONS [patent_app_type] => utility [patent_app_number] => 18/408062 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408062 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408062
FLUORINE REMOVAL FROM ANTIMONY FLUOROHALIDE CATALYST USING CHLOROCARBONS Jan 8, 2024 Pending
Array ( [id] => 19883334 [patent_doc_number] => 12269020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Nanofiber electrocatalyst [patent_app_type] => utility [patent_app_number] => 18/402535 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 8776 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18402535 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402535
Nanofiber electrocatalyst Jan 1, 2024 Issued
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