Search

April Guzman Gonzales

Examiner (ID: 4992, Phone: (571)270-1101 , Office: P/2648 )

Most Active Art Unit
2648
Art Unit(s)
2648, 2618
Total Applications
1135
Issued Applications
933
Pending Applications
72
Abandoned Applications
159

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20294216 [patent_doc_number] => 20250319459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => METHOD OF SYNTHESIZING VANADIUM CARBIDE AND LAYERED DOUBLE HYDROXIDE-BASED COMPOSITES FOR SOLAR HYDROGEN PRODUCTION [patent_app_type] => utility [patent_app_number] => 19/250805 [patent_app_country] => US [patent_app_date] => 2025-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19250805 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/250805
Method of synthesizing vanadium carbide and layered double hydroxide-based composites for solar hydrogen production Jun 25, 2025 Issued
Array ( [id] => 20039744 [patent_doc_number] => 20250177966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => Processes for Producing Fluorided Solid Oxides and Uses Thereof in Metallocene-Based Catalyst Systems [patent_app_type] => utility [patent_app_number] => 19/050310 [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] => 13801 [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] => 19050310 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/050310
Processes for Producing Fluorided Solid Oxides and Uses Thereof in Metallocene-Based Catalyst Systems Feb 10, 2025 Pending
Array ( [id] => 19948227 [patent_doc_number] => 12319574 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-03 [patent_title] => Biomass derived nanocomposite for hydrogen production [patent_app_type] => utility [patent_app_number] => 19/051086 [patent_app_country] => US [patent_app_date] => 2025-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 1517 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19051086 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/051086
Biomass derived nanocomposite for hydrogen production Feb 10, 2025 Issued
Array ( [id] => 20343241 [patent_doc_number] => 12466964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Biomass-based anti-smudge paint and preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 19/034907 [patent_app_country] => US [patent_app_date] => 2025-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 985 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19034907 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/034907
Biomass-based anti-smudge paint and preparation method and application thereof Jan 22, 2025 Issued
Array ( [id] => 20025075 [patent_doc_number] => 20250163297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => COMPOSITIONS, DEVICES, AND METHODS FOR IMPROVING A SURFACE PROPERTY OF A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 19/021410 [patent_app_country] => US [patent_app_date] => 2025-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7669 [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] => 19021410 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/021410
Compositions, devices, and methods for improving a surface property of a substrate Jan 14, 2025 Issued
Array ( [id] => 20025075 [patent_doc_number] => 20250163297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => COMPOSITIONS, DEVICES, AND METHODS FOR IMPROVING A SURFACE PROPERTY OF A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 19/021410 [patent_app_country] => US [patent_app_date] => 2025-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7669 [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] => 19021410 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/021410
Compositions, devices, and methods for improving a surface property of a substrate Jan 14, 2025 Issued
Array ( [id] => 20025075 [patent_doc_number] => 20250163297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => COMPOSITIONS, DEVICES, AND METHODS FOR IMPROVING A SURFACE PROPERTY OF A SUBSTRATE [patent_app_type] => utility [patent_app_number] => 19/021410 [patent_app_country] => US [patent_app_date] => 2025-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7669 [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] => 19021410 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/021410
Compositions, devices, and methods for improving a surface property of a substrate Jan 14, 2025 Issued
Array ( [id] => 20016150 [patent_doc_number] => 20250154372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => COATING COMPOSITION FOR FORMING A FLEXIBLE DIELECTRIC COAT WITH HIGH DIELECTRIC PERMITTIVITY [patent_app_type] => utility [patent_app_number] => 19/014445 [patent_app_country] => US [patent_app_date] => 2025-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19014445 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/014445
COATING COMPOSITION FOR FORMING A FLEXIBLE DIELECTRIC COAT WITH HIGH DIELECTRIC PERMITTIVITY Jan 8, 2025 Pending
Array ( [id] => 20016150 [patent_doc_number] => 20250154372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => COATING COMPOSITION FOR FORMING A FLEXIBLE DIELECTRIC COAT WITH HIGH DIELECTRIC PERMITTIVITY [patent_app_type] => utility [patent_app_number] => 19/014445 [patent_app_country] => US [patent_app_date] => 2025-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19014445 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/014445
COATING COMPOSITION FOR FORMING A FLEXIBLE DIELECTRIC COAT WITH HIGH DIELECTRIC PERMITTIVITY Jan 8, 2025 Pending
Array ( [id] => 19930685 [patent_doc_number] => 12303879 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-20 [patent_title] => Nano-supported solid-phase titanium-based multi-metal catalyst, preparation method therefor and use thereof [patent_app_type] => utility [patent_app_number] => 18/955358 [patent_app_country] => US [patent_app_date] => 2024-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3224 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18955358 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/955358
Nano-supported solid-phase titanium-based multi-metal catalyst, preparation method therefor and use thereof Nov 20, 2024 Issued
Array ( [id] => 19939229 [patent_doc_number] => 12311344 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-27 [patent_title] => Date palm syrup-graphitic carbon nitride composite and methods of making and using same [patent_app_type] => utility [patent_app_number] => 18/947519 [patent_app_country] => US [patent_app_date] => 2024-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 31 [patent_no_of_words] => 3766 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 18947519 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/947519
Date palm syrup-graphitic carbon nitride composite and methods of making and using same Nov 13, 2024 Issued
Array ( [id] => 19948468 [patent_doc_number] => 12319816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Wax-organic extender emulsion and method for manufacture thereof [patent_app_type] => utility [patent_app_number] => 18/909130 [patent_app_country] => US [patent_app_date] => 2024-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 7910 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18909130 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/909130
Wax-organic extender emulsion and method for manufacture thereof Oct 7, 2024 Issued
Array ( [id] => 19614778 [patent_doc_number] => 20240400458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => MODIFIED CALCINED KAOLIN PARTICLE WITH SURFACE AMPHIPHILICITY AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/802061 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18802061 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/802061
Modified calcined kaolin particle with surface amphiphilicity and preparation method thereof Aug 12, 2024 Issued
Array ( [id] => 20402298 [patent_doc_number] => 12492267 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Nanocellulose compositions and processes to produce same [patent_app_type] => utility [patent_app_number] => 18/738043 [patent_app_country] => US [patent_app_date] => 2024-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8822 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738043 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738043
Nanocellulose compositions and processes to produce same Jun 8, 2024 Issued
Array ( [id] => 19883328 [patent_doc_number] => 12269014 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => V [patent_app_type] => utility [patent_app_number] => 18/663532 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 13 [patent_no_of_words] => 13912 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663532 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663532
V May 13, 2024 Issued
Array ( [id] => 19432714 [patent_doc_number] => 20240301212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => Methods for Forming and Uses of Titania-Coated Inorganic Particles [patent_app_type] => utility [patent_app_number] => 18/663173 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663173 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663173
Methods for forming and uses of titania-coated inorganic particles May 13, 2024 Issued
Array ( [id] => 19737273 [patent_doc_number] => 12214082 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-04 [patent_title] => One pass spray dried lactose [patent_app_type] => utility [patent_app_number] => 18/662719 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 12314 [patent_no_of_claims] => 20 [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] => 18662719 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662719
One pass spray dried lactose May 12, 2024 Issued
Array ( [id] => 19825555 [patent_doc_number] => 12246312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systems [patent_app_type] => utility [patent_app_number] => 18/639002 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 19233 [patent_no_of_claims] => 19 [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] => 18639002 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639002
Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systems Apr 17, 2024 Issued
Array ( [id] => 20239968 [patent_doc_number] => 12420272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Synthetic catalysts for carbohydrate processing [patent_app_type] => utility [patent_app_number] => 18/636070 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 34 [patent_no_of_words] => 19124 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18636070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/636070
Synthetic catalysts for carbohydrate processing Apr 14, 2024 Issued
Array ( [id] => 19792479 [patent_doc_number] => 12233403 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-25 [patent_title] => Triphenylphosphine ruthenium photocatalyst for hydrogen production [patent_app_type] => utility [patent_app_number] => 18/622251 [patent_app_country] => US [patent_app_date] => 2024-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5711 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18622251 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/622251
Triphenylphosphine ruthenium photocatalyst for hydrogen production Mar 28, 2024 Issued
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