Search

April Rivas

Examiner (ID: 18484, Phone: (571)270-0232 , Office: P/2921 )

Most Active Art Unit
2921
Art Unit(s)
2913, 2921, 2924
Total Applications
1485
Issued Applications
1454
Pending Applications
6
Abandoned Applications
30

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19972368 [patent_doc_number] => 12340987 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Tunable plasma exclusion zone in semiconductor fabrication [patent_app_type] => utility [patent_app_number] => 17/742637 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 13253 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17742637 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/742637
Tunable plasma exclusion zone in semiconductor fabrication May 11, 2022 Issued
Array ( [id] => 20229237 [patent_doc_number] => 12417892 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Shadow mask apparatus and methods for variable etch depths [patent_app_type] => utility [patent_app_number] => 17/722874 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 21 [patent_no_of_words] => 2289 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17722874 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/722874
Shadow mask apparatus and methods for variable etch depths Apr 17, 2022 Issued
Array ( [id] => 19274663 [patent_doc_number] => 12024776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Gas supply apparatus, gas supply method, and substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 17/656009 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8668 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17656009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/656009
Gas supply apparatus, gas supply method, and substrate processing apparatus Mar 22, 2022 Issued
Array ( [id] => 19274663 [patent_doc_number] => 12024776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Gas supply apparatus, gas supply method, and substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 17/656009 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8668 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17656009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/656009
Gas supply apparatus, gas supply method, and substrate processing apparatus Mar 22, 2022 Issued
Array ( [id] => 19274663 [patent_doc_number] => 12024776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Gas supply apparatus, gas supply method, and substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 17/656009 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8668 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17656009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/656009
Gas supply apparatus, gas supply method, and substrate processing apparatus Mar 22, 2022 Issued
Array ( [id] => 19274663 [patent_doc_number] => 12024776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Gas supply apparatus, gas supply method, and substrate processing apparatus [patent_app_type] => utility [patent_app_number] => 17/656009 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8668 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17656009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/656009
Gas supply apparatus, gas supply method, and substrate processing apparatus Mar 22, 2022 Issued
Array ( [id] => 19135839 [patent_doc_number] => 11970771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Vaporizer, substrate processing apparatus and method for manufacturing semiconductor device [patent_app_type] => utility [patent_app_number] => 17/689565 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 14995 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17689565 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/689565
Vaporizer, substrate processing apparatus and method for manufacturing semiconductor device Mar 7, 2022 Issued
Array ( [id] => 19912482 [patent_doc_number] => 12288701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Multi-chamber semiconductor manufacturing system [patent_app_type] => utility [patent_app_number] => 17/682457 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [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] => 17682457 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682457
Multi-chamber semiconductor manufacturing system Feb 27, 2022 Issued
Array ( [id] => 19311881 [patent_doc_number] => 12037684 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Solids vaporizer [patent_app_type] => utility [patent_app_number] => 17/681186 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10160 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17681186 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/681186
Solids vaporizer Feb 24, 2022 Issued
Array ( [id] => 18562889 [patent_doc_number] => 11728141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Gas hub for plasma reactor [patent_app_type] => utility [patent_app_number] => 17/590681 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4699 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17590681 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590681
Gas hub for plasma reactor Jan 31, 2022 Issued
Array ( [id] => 17761874 [patent_doc_number] => 20220235486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => Graphite Plate [patent_app_type] => utility [patent_app_number] => 17/582188 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17582188 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/582188
Graphite Plate Jan 23, 2022 Abandoned
Array ( [id] => 17752647 [patent_doc_number] => 20220230852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => PLASMA PROCESSING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/648436 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17648436 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648436
Plasma processing apparatus Jan 19, 2022 Issued
Array ( [id] => 17752641 [patent_doc_number] => 20220230846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => SUBSTRATE PROCESSING APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 17/576216 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17576216 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/576216
Substrate processing apparatus, method of manufacturing semiconductor device, and recording medium Jan 13, 2022 Issued
Array ( [id] => 17708509 [patent_doc_number] => 20220208517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => SYSTEMS AND METHODS FOR STORAGE AND SUPPLY OF F3NO-FREE FNO GASES AND F3NO-FREE FNO GAS MIXTURES FOR SEMICONDUCTOR PROCESSES [patent_app_type] => utility [patent_app_number] => 17/575049 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17575049 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575049
Systems and methods for storage and supply of F3NO-free FNO gases and F3NO-free FNO gas mixtures for semiconductor processes Jan 12, 2022 Issued
Array ( [id] => 17548610 [patent_doc_number] => 20220119951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => SUBSTRATE PROCESSING APPARATUS, METHOD OF PROCESSING SUBSTRATE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 17/565808 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8771 [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] => 17565808 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565808
Substrate processing apparatus, method of processing substrate, method of manufacturing semiconductor device and recording medium Dec 29, 2021 Issued
Array ( [id] => 19210996 [patent_doc_number] => 12000046 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-04 [patent_title] => Load assemblies for loading parts in a furnace [patent_app_type] => utility [patent_app_number] => 17/646426 [patent_app_country] => US [patent_app_date] => 2021-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 12649 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17646426 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/646426
Load assemblies for loading parts in a furnace Dec 28, 2021 Issued
Array ( [id] => 17509065 [patent_doc_number] => 20220102168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => ASYMMETRICAL SEALING AND GAS FLOW CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 17/644028 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17644028 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/644028
Asymmetrical sealing and gas flow control device Dec 12, 2021 Issued
Array ( [id] => 17524381 [patent_doc_number] => 20220110230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => SHOWERHEAD SHROUD [patent_app_type] => utility [patent_app_number] => 17/643718 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643718 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643718
Showerhead shroud Dec 9, 2021 Issued
Array ( [id] => 20402498 [patent_doc_number] => 12492469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Sublimation control using downstream pressure sensing [patent_app_type] => utility [patent_app_number] => 18/035456 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2284 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18035456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035456
Sublimation control using downstream pressure sensing Nov 16, 2021 Issued
Array ( [id] => 19552824 [patent_doc_number] => 12136535 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Plasma processing apparatus and plasma processing method [patent_app_type] => utility [patent_app_number] => 17/519596 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7999 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17519596 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/519596
Plasma processing apparatus and plasma processing method Nov 4, 2021 Issued
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