Search

Gregory B. Sefcheck

Examiner (ID: 3999, Phone: (571)272-3098 , Office: P/2477 )

Most Active Art Unit
2477
Art Unit(s)
2419, 2662, 2619, 2477, 2616
Total Applications
956
Issued Applications
608
Pending Applications
112
Abandoned Applications
252

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20430291 [patent_doc_number] => 20250392384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => NETWORK QUALITY EVALUATION BASED ON NETWORK METRICS [patent_app_type] => utility [patent_app_number] => 19/256319 [patent_app_country] => US [patent_app_date] => 2025-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5598 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19256319 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/256319
NETWORK QUALITY EVALUATION BASED ON NETWORK METRICS Jun 30, 2025 Pending
Array ( [id] => 20252377 [patent_doc_number] => 20250301246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => METHOD FOR SWITCHING OPERATING MODE OF USER EQUIPMENT, SIGNAL PROCESSING METHOD FOR NETWORK DEVICE, OPTICAL MODULE, ELECTRONIC DEVICE, STORAGE MEDIUM, AND COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 19/228294 [patent_app_country] => US [patent_app_date] => 2025-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9246 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19228294 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/228294
Method for switching operating mode of user equipment, signal processing method for network device, optical module, electronic device, storage medium, and communication system Jun 3, 2025 Issued
Array ( [id] => 20236954 [patent_doc_number] => 20250294273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => NCF DEVICE ASSEMBLY, DISTRIBUTED NETWORKING SYSTEM, AND DATA TRANSMISSION METHOD [patent_app_type] => utility [patent_app_number] => 19/225239 [patent_app_country] => US [patent_app_date] => 2025-06-02 [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] => -13 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19225239 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/225239
NCF DEVICE ASSEMBLY, DISTRIBUTED NETWORKING SYSTEM, AND DATA TRANSMISSION METHOD Jun 1, 2025 Pending
Array ( [id] => 20210495 [patent_doc_number] => 20250280215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => OPTICAL ROUTING DEVICE FOR ULTRA-FLEXIBLE AND ULTRA-RELIABLE LASER BEAM BASED WIRELESS COMMUNICATION [patent_app_type] => utility [patent_app_number] => 19/085465 [patent_app_country] => US [patent_app_date] => 2025-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19085465 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/085465
Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication Mar 19, 2025 Issued
Array ( [id] => 19741852 [patent_doc_number] => 12218705 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-04 [patent_title] => Enhanced optical signal communication via hollow core fibers [patent_app_type] => utility [patent_app_number] => 18/764093 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 31036 [patent_no_of_claims] => 62 [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] => 18764093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764093
Enhanced optical signal communication via hollow core fibers Jul 2, 2024 Issued
Array ( [id] => 19887921 [patent_doc_number] => 12273664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication [patent_app_type] => utility [patent_app_number] => 18/746965 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 24634 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [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] => 18746965 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746965
Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication Jun 17, 2024 Issued
Array ( [id] => 19481282 [patent_doc_number] => 20240329324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => LARGE SCALE STEERABLE COHERENT OPTICAL SWITCHED ARRAYS [patent_app_type] => utility [patent_app_number] => 18/738465 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5605 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738465 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738465
Large scale steerable coherent optical switched arrays Jun 9, 2024 Issued
Array ( [id] => 19454345 [patent_doc_number] => 20240314475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Data Processing Method and Apparatus for Passive Optical Network System, and Passive Optical Network System [patent_app_type] => utility [patent_app_number] => 18/670609 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670609
Data Processing Method and Apparatus for Passive Optical Network System, and Passive Optical Network System May 20, 2024 Pending
Array ( [id] => 19620188 [patent_doc_number] => 20240405868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD [patent_app_type] => utility [patent_app_number] => 18/657144 [patent_app_country] => US [patent_app_date] => 2024-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18657144 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/657144
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD May 6, 2024 Pending
Array ( [id] => 20325425 [patent_doc_number] => 20250337513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => DATA PROCESSING METHOD AND RELATED APPARATUSES [patent_app_type] => utility [patent_app_number] => 18/646441 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18646441 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/646441
DATA PROCESSING METHOD AND RELATED APPARATUSES Apr 24, 2024 Pending
Array ( [id] => 19277974 [patent_doc_number] => 12028108 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-02 [patent_title] => Network anomaly detection based on customers light level signal [patent_app_type] => utility [patent_app_number] => 18/441131 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 15823 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18441131 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441131
Network anomaly detection based on customers light level signal Feb 13, 2024 Issued
18/683421 Determinsticly Parsable Reportiong of Radio Access Network Radio Unit Performance Information Feb 12, 2024 Pending
Array ( [id] => 20168454 [patent_doc_number] => 20250260501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => APPARATUS COMPRISING ANALOG MULTIPLEXERS AND METHOD FOR AN APPARATUS COMPRISING ANALOG MULTIPLEXERS [patent_app_type] => utility [patent_app_number] => 18/436859 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1008 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18436859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/436859
APPARATUS COMPRISING ANALOG MULTIPLEXERS AND METHOD FOR AN APPARATUS COMPRISING ANALOG MULTIPLEXERS Feb 7, 2024 Pending
Array ( [id] => 19822025 [patent_doc_number] => 20250080232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => DECODING METHOD USING POLARIZATION TIME BLOCK CODING AND DECODING DEVICE FOR PERFORMING THE METHOD [patent_app_type] => utility [patent_app_number] => 18/417816 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6218 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417816
DECODING METHOD USING POLARIZATION TIME BLOCK CODING AND DECODING DEVICE FOR PERFORMING THE METHOD Jan 18, 2024 Pending
Array ( [id] => 20125064 [patent_doc_number] => 20250240095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => SELF-ALIGNING WINDOW MOUNTED COMMUNICATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/417214 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1093 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417214
SELF-ALIGNING WINDOW MOUNTED COMMUNICATION APPARATUS Jan 18, 2024 Pending
Array ( [id] => 19416065 [patent_doc_number] => 12081922 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-03 [patent_title] => Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication [patent_app_type] => utility [patent_app_number] => 18/400059 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 24617 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400059
Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication Dec 28, 2023 Issued
Array ( [id] => 19416065 [patent_doc_number] => 12081922 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-03 [patent_title] => Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication [patent_app_type] => utility [patent_app_number] => 18/400059 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 24617 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400059
Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication Dec 28, 2023 Issued
Array ( [id] => 19416065 [patent_doc_number] => 12081922 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-03 [patent_title] => Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication [patent_app_type] => utility [patent_app_number] => 18/400059 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 24617 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400059
Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication Dec 28, 2023 Issued
Array ( [id] => 19416065 [patent_doc_number] => 12081922 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-03 [patent_title] => Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication [patent_app_type] => utility [patent_app_number] => 18/400059 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 24617 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400059
Optical routing device for ultra-flexible and ultra-reliable laser beam based wireless communication Dec 28, 2023 Issued
Array ( [id] => 19307948 [patent_doc_number] => 20240236531 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => COMMUNICATION SYSTEM, TRANSMITTER, AND COMMUNICATION METHOD [patent_app_type] => utility [patent_app_number] => 18/544932 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18544932 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/544932
COMMUNICATION SYSTEM, TRANSMITTER, AND COMMUNICATION METHOD Dec 18, 2023 Pending
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