Search

Haidung D. Nguyen

Examiner (ID: 5410, Phone: (571)270-5455 , Office: P/1761 )

Most Active Art Unit
1761
Art Unit(s)
1796, 1761
Total Applications
752
Issued Applications
449
Pending Applications
69
Abandoned Applications
244

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20324918 [patent_doc_number] => 20250337006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => SULFIDE ELECTROLYTES AND EFFICIENT METHODS FOR MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 19/193188 [patent_app_country] => US [patent_app_date] => 2025-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19193188 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/193188
SULFIDE ELECTROLYTES AND EFFICIENT METHODS FOR MAKING THE SAME Apr 28, 2025 Pending
Array ( [id] => 20093247 [patent_doc_number] => 20250223183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => COMPOSITION COMPRISING LITHIUM-CONTAINING COMPOUND, AND BATTERY DISPOSAL METHOD [patent_app_type] => utility [patent_app_number] => 19/089450 [patent_app_country] => US [patent_app_date] => 2025-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19089450 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/089450
COMPOSITION COMPRISING LITHIUM-CONTAINING COMPOUND, AND BATTERY DISPOSAL METHOD Mar 24, 2025 Pending
Array ( [id] => 20313782 [patent_doc_number] => 20250331411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => Doped Organic Semiconductors and Methods of Making the Same [patent_app_type] => utility [patent_app_number] => 19/067406 [patent_app_country] => US [patent_app_date] => 2025-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10131 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19067406 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/067406
Doped Organic Semiconductors and Methods of Making the Same Feb 27, 2025 Pending
Array ( [id] => 20677967 [patent_doc_number] => 20260116779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => Fluorinated Lithium- and Manganese-rich Layered Oxides and Methods of Making Thereof [patent_app_type] => utility [patent_app_number] => 19/052661 [patent_app_country] => US [patent_app_date] => 2025-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19052661 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/052661
Fluorinated Lithium- and Manganese-rich Layered Oxides and Methods of Making Thereof Feb 12, 2025 Pending
Array ( [id] => 20448504 [patent_doc_number] => 20260005230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => Electroactive Materials for Metal-Ion Batteries [patent_app_type] => utility [patent_app_number] => 19/050254 [patent_app_country] => US [patent_app_date] => 2025-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 19050254 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/050254
Electroactive Materials for Metal-Ion Batteries Feb 10, 2025 Pending
Array ( [id] => 20462288 [patent_doc_number] => 20260011717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => Electroactive Materials for Metal-Ion Batteries [patent_app_type] => utility [patent_app_number] => 19/049398 [patent_app_country] => US [patent_app_date] => 2025-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 19049398 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/049398
Electroactive Materials for Metal-Ion Batteries Feb 9, 2025 Pending
Array ( [id] => 20168035 [patent_doc_number] => 20250260082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => WASHING FLUID, METHOD FOR RECOVERING WASHING FLUID, AND DEVICE FOR RECOVERING WASHING FLUID [patent_app_type] => utility [patent_app_number] => 19/048290 [patent_app_country] => US [patent_app_date] => 2025-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19048290 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/048290
WASHING FLUID, METHOD FOR RECOVERING WASHING FLUID, AND DEVICE FOR RECOVERING WASHING FLUID Feb 6, 2025 Pending
Array ( [id] => 20448495 [patent_doc_number] => 20260005221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => Electroactive Materials for Metal-Ion Batteries [patent_app_type] => utility [patent_app_number] => 19/042217 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8880 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 19042217 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/042217
Electroactive Materials for Metal-Ion Batteries Jan 30, 2025 Pending
Array ( [id] => 20193405 [patent_doc_number] => 20250270115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => Compositions and Methods for the Removal of Phosphates and Other Contaminants from Aqueous Solutions [patent_app_type] => utility [patent_app_number] => 19/037443 [patent_app_country] => US [patent_app_date] => 2025-01-27 [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] => 0 [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] => 19037443 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/037443
Compositions and Methods for the Removal of Phosphates and Other Contaminants from Aqueous Solutions Jan 26, 2025 Abandoned
Array ( [id] => 20712477 [patent_doc_number] => 20260136829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-14 [patent_title] => ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 19/008260 [patent_app_country] => US [patent_app_date] => 2025-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6151 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19008260 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/008260
ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Jan 1, 2025 Pending
Array ( [id] => 20367655 [patent_doc_number] => 20250357467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => Electroactive Materials for Metal-Ion Batteries [patent_app_type] => utility [patent_app_number] => 18/999714 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9713 [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] => 18999714 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/999714
Electroactive materials for metal-ion batteries Dec 22, 2024 Issued
Array ( [id] => 19804214 [patent_doc_number] => 20250070139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => LITHIUM NICKEL MANGANATE POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/943315 [patent_app_country] => US [patent_app_date] => 2024-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16990 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18943315 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/943315
LITHIUM NICKEL MANGANATE POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF Nov 10, 2024 Pending
Array ( [id] => 20059023 [patent_doc_number] => 20250197245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => POSITIVE ELECTRODE ACTIVE MATERIAL POWDER AND LITHIUM SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/886064 [patent_app_country] => US [patent_app_date] => 2024-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18886064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/886064
POSITIVE ELECTRODE ACTIVE MATERIAL POWDER AND LITHIUM SECONDARY BATTERY Sep 15, 2024 Pending
Array ( [id] => 19879703 [patent_doc_number] => 20250111960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IN-SITU FORMATION OF TWO-DIMENSIONAL (2D) NANOPARTICLES WITHIN ELASTOMERS FOR ELECTROCHEMICAL SENSING [patent_app_type] => utility [patent_app_number] => 18/827374 [patent_app_country] => US [patent_app_date] => 2024-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827374 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/827374
IN-SITU FORMATION OF TWO-DIMENSIONAL (2D) NANOPARTICLES WITHIN ELASTOMERS FOR ELECTROCHEMICAL SENSING Sep 5, 2024 Pending
Array ( [id] => 19816606 [patent_doc_number] => 20250074813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => Conductive Paste [patent_app_type] => utility [patent_app_number] => 18/815900 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815900 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815900
Conductive Paste Aug 26, 2024 Pending
Array ( [id] => 20486060 [patent_doc_number] => 20260022258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => CONDUCTIVE COATING COMPRISING COPPER SULFIDE/POLYPYRROLE AND PROCESS OF PRODUCING THE SAME THEREFROM [patent_app_type] => utility [patent_app_number] => 18/778789 [patent_app_country] => US [patent_app_date] => 2024-07-19 [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] => -7 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18778789 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/778789
CONDUCTIVE COATING COMPRISING COPPER SULFIDE/POLYPYRROLE AND PROCESS OF PRODUCING THE SAME THEREFROM Jul 18, 2024 Pending
Array ( [id] => 19709141 [patent_doc_number] => 20250019283 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => CALCITE SCALE INHIBITORS FOR STRESSED PROCESS CONDITIONS [patent_app_type] => utility [patent_app_number] => 18/769557 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18769557 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769557
CALCITE SCALE INHIBITORS FOR STRESSED PROCESS CONDITIONS Jul 10, 2024 Pending
Array ( [id] => 19696718 [patent_doc_number] => 20250015263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => METHOD FOR PRODUCING SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/763866 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18763866 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763866
METHOD FOR PRODUCING SECONDARY BATTERY Jul 2, 2024 Pending
Array ( [id] => 20720015 [patent_doc_number] => 12635286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Physical forms of MXene materials exhibiting novel electrical and optical characteristics [patent_app_type] => utility [patent_app_number] => 18/745265 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 56 [patent_no_of_words] => 15608 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18745265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745265
Physical forms of MXene materials exhibiting novel electrical and optical characteristics Jun 16, 2024 Issued
Array ( [id] => 19579776 [patent_doc_number] => 12145872 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => High-efficiency and multifunctional sludge conditioner and preparation method thereof [patent_app_type] => utility [patent_app_number] => 18/740275 [patent_app_country] => US [patent_app_date] => 2024-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4249 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18740275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/740275
High-efficiency and multifunctional sludge conditioner and preparation method thereof Jun 10, 2024 Issued
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