Search

Lionel Preval

Examiner (ID: 18736, Phone: (571)270-5673 , Office: P/2475 )

Most Active Art Unit
2416
Art Unit(s)
2475, 2416, 2419
Total Applications
583
Issued Applications
320
Pending Applications
52
Abandoned Applications
224

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19973882 [patent_doc_number] => 12342515 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Electromagnetic interference shielding structures [patent_app_type] => utility [patent_app_number] => 18/241689 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 1192 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18241689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241689
Electromagnetic interference shielding structures Aug 31, 2023 Issued
Array ( [id] => 19797913 [patent_doc_number] => 12238912 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Electromagnetic energy mitigation assemblies and automotive vehicle components including the same [patent_app_type] => utility [patent_app_number] => 18/240997 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5280 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240997 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240997
Electromagnetic energy mitigation assemblies and automotive vehicle components including the same Aug 30, 2023 Issued
Array ( [id] => 20319164 [patent_doc_number] => 12457725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Sheet-shaped magnetic member [patent_app_type] => utility [patent_app_number] => 18/700655 [patent_app_country] => US [patent_app_date] => 2023-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 42 [patent_no_of_words] => 16036 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18700655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/700655
Sheet-shaped magnetic member Aug 22, 2023 Issued
Array ( [id] => 19859642 [patent_doc_number] => 12262518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Shielding cover and circuit board assembly [patent_app_type] => utility [patent_app_number] => 18/236891 [patent_app_country] => US [patent_app_date] => 2023-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3325 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18236891 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/236891
Shielding cover and circuit board assembly Aug 21, 2023 Issued
Array ( [id] => 19523869 [patent_doc_number] => 12125608 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Differential paired cable with compensation functions [patent_app_type] => utility [patent_app_number] => 18/220405 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 6328 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220405 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220405
Differential paired cable with compensation functions Jul 10, 2023 Issued
Array ( [id] => 19598517 [patent_doc_number] => 12156392 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-26 [patent_title] => Self-wrapping, multilayer abrasion and EMI resistant sleeve and method of construction thereof [patent_app_type] => utility [patent_app_number] => 18/220546 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3110 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220546 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220546
Self-wrapping, multilayer abrasion and EMI resistant sleeve and method of construction thereof Jul 10, 2023 Issued
Array ( [id] => 18899023 [patent_doc_number] => 20240014508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => PROTECTIVE COVER FOR PROTECTING A VENTILATION DEVICE OF A BATTERY HOUSING [patent_app_type] => utility [patent_app_number] => 18/343518 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343518
PROTECTIVE COVER FOR PROTECTING A VENTILATION DEVICE OF A BATTERY HOUSING Jun 27, 2023 Pending
Array ( [id] => 18929263 [patent_doc_number] => 20240032267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => ELECTROMAGNETIC WAVE TRANSMISSIVE COVER AND SENSOR MODULE [patent_app_type] => utility [patent_app_number] => 18/340970 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18340970 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340970
Electromagnetic wave transmissive cover and sensor module Jun 25, 2023 Issued
Array ( [id] => 18714740 [patent_doc_number] => 20230337384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => INSERT MOLDING AROUND GLASS MEMBERS FOR PORTABLE ELECTRONIC DEVICES [patent_app_type] => utility [patent_app_number] => 18/211086 [patent_app_country] => US [patent_app_date] => 2023-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10401 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18211086 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/211086
Insert molding around glass members for portable electronic devices Jun 15, 2023 Issued
Array ( [id] => 19139427 [patent_doc_number] => 11974419 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-30 [patent_title] => Method, systems, and apparatuses for electromagnetic shielding [patent_app_type] => utility [patent_app_number] => 18/209018 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4575 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18209018 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/209018
Method, systems, and apparatuses for electromagnetic shielding Jun 12, 2023 Issued
Array ( [id] => 19766261 [patent_doc_number] => 12224568 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Back-to-back two-gang electrical box [patent_app_type] => utility [patent_app_number] => 18/333671 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 3114 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333671 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333671
Back-to-back two-gang electrical box Jun 12, 2023 Issued
Array ( [id] => 19370403 [patent_doc_number] => 12062495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Electronic device [patent_app_type] => utility [patent_app_number] => 18/331358 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8361 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331358 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/331358
Electronic device Jun 7, 2023 Issued
Array ( [id] => 19765949 [patent_doc_number] => 12224250 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Electromagnetic wave attenuator, electronic device, film formation apparatus, and film formation method [patent_app_type] => utility [patent_app_number] => 18/328892 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 14381 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 466 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18328892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/328892
Electromagnetic wave attenuator, electronic device, film formation apparatus, and film formation method Jun 4, 2023 Issued
Array ( [id] => 19566635 [patent_doc_number] => 12141407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Conductive film [patent_app_type] => utility [patent_app_number] => 18/327731 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 16581 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327731 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327731
Conductive film May 31, 2023 Issued
Array ( [id] => 19339547 [patent_doc_number] => 12049728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Electromagnetic shielding paper based on modification of conductive MOF material and preparation method thereof [patent_app_type] => utility [patent_app_number] => 18/325422 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4022 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18325422 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/325422
Electromagnetic shielding paper based on modification of conductive MOF material and preparation method thereof May 29, 2023 Issued
Array ( [id] => 19000922 [patent_doc_number] => 11917800 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Multi-layered window or door system for electromagnetic pulse protection [patent_app_type] => utility [patent_app_number] => 18/201364 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5077 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [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] => 18201364 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/201364
Multi-layered window or door system for electromagnetic pulse protection May 23, 2023 Issued
Array ( [id] => 18952496 [patent_doc_number] => 11895814 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-06 [patent_title] => Device for shielding electromagnetic wave [patent_app_type] => utility [patent_app_number] => 18/321645 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3948 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321645
Device for shielding electromagnetic wave May 21, 2023 Issued
Array ( [id] => 19278876 [patent_doc_number] => 12029020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Multi-layer system for shielding from electromagnetic fields [patent_app_type] => utility [patent_app_number] => 18/321096 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2377 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321096
Multi-layer system for shielding from electromagnetic fields May 21, 2023 Issued
Array ( [id] => 18612954 [patent_doc_number] => 20230279690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Carport Tent Faraday Cage Device [patent_app_type] => utility [patent_app_number] => 18/317197 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18317197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/317197
Carport Tent Faraday Cage Device May 14, 2023 Abandoned
Array ( [id] => 19245700 [patent_doc_number] => 12016164 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-18 [patent_title] => RF filter device for aircraft nacelle access door gap [patent_app_type] => utility [patent_app_number] => 18/313724 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4408 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18313724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313724
RF filter device for aircraft nacelle access door gap May 7, 2023 Issued
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