Search

David L. Fitzgerald

Examiner (ID: 7567)

Most Active Art Unit
1812
Art Unit(s)
1812, 1647, 1646
Total Applications
420
Issued Applications
256
Pending Applications
66
Abandoned Applications
98

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20012617 [patent_doc_number] => 20250150839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => DISTRIBUTED WIRELINE/WIRELESS BANDWIDTH ORCHESTRATION/AGGREGATION TO PON/WAN NODES USING LICENSED AND/OR UNLICENSED SPECTRUM (INCLUDING SATELLITE) [patent_app_type] => utility [patent_app_number] => 18/504788 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504788
DISTRIBUTED WIRELINE/WIRELESS BANDWIDTH ORCHESTRATION/AGGREGATION TO PON/WAN NODES USING LICENSED AND/OR UNLICENSED SPECTRUM (INCLUDING SATELLITE) Nov 7, 2023 Pending
Array ( [id] => 20776102 [patent_doc_number] => 12659792 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => End-to-end secure communications for privileged 5G network traffic [patent_app_type] => utility [patent_app_number] => 18/500302 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 11472 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18500302 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500302
End-to-end secure communications for privileged 5G network traffic Nov 1, 2023 Issued
Array ( [id] => 20483161 [patent_doc_number] => 12531638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Communication method and related device [patent_app_type] => utility [patent_app_number] => 18/489235 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 17637 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18489235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/489235
Communication method and related device Oct 17, 2023 Issued
Array ( [id] => 18991950 [patent_doc_number] => 20240063919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => POWER SAVING MECHANISMS FOR HIGH SPEED PASSIVE OPTICAL NETWORK [patent_app_type] => utility [patent_app_number] => 18/488434 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18488434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/488434
POWER SAVING MECHANISMS FOR HIGH SPEED PASSIVE OPTICAL NETWORK Oct 16, 2023 Pending
Array ( [id] => 19199634 [patent_doc_number] => 11996891 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-28 [patent_title] => Apparatus embedded with terahertz transceivers using difference frequency generation [patent_app_type] => utility [patent_app_number] => 18/487621 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 6645 [patent_no_of_claims] => 8 [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] => 18487621 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487621
Apparatus embedded with terahertz transceivers using difference frequency generation Oct 15, 2023 Issued
Array ( [id] => 18959943 [patent_doc_number] => 20240048270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Probabilistic Constellation Shaping of Multi-Dimensional Symbols for Improved Tolerance to Nonlinear Impairments [patent_app_type] => utility [patent_app_number] => 18/484700 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18484700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484700
Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments Oct 10, 2023 Issued
Array ( [id] => 18936082 [patent_doc_number] => 11888533 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-30 [patent_title] => Reducing scintillation noise in free-space optical communications [patent_app_type] => utility [patent_app_number] => 18/478928 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 53 [patent_figures_cnt] => 64 [patent_no_of_words] => 24960 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18478928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478928
Reducing scintillation noise in free-space optical communications Sep 28, 2023 Issued
Array ( [id] => 19867134 [patent_doc_number] => 20250105920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => OPTICAL LINK ARCHITECTURE [patent_app_type] => utility [patent_app_number] => 18/474698 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18474698 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474698
Optical link architecture Sep 25, 2023 Issued
Array ( [id] => 18899936 [patent_doc_number] => 20240015421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => Optical Communication System and Optical Communication Method [patent_app_type] => utility [patent_app_number] => 18/474758 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18474758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474758
Optical communication system and optical communication method Sep 25, 2023 Issued
Array ( [id] => 19851651 [patent_doc_number] => 20250097002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => CLOCK SYNCHRONIZATION AND POLARIZATION TRACKING IN OPTICAL COMMUNICATION SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/469524 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12721 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18469524 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469524
Clock synchronization and polarization tracking in optical communication systems Sep 17, 2023 Issued
Array ( [id] => 20719339 [patent_doc_number] => 12634608 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Optical frequency comb locking for a flexible passive optical network [patent_app_type] => utility [patent_app_number] => 18/469515 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 8 [patent_no_of_words] => 8514 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469515
Optical frequency comb locking for a flexible passive optical network Sep 17, 2023 Issued
Array ( [id] => 20204627 [patent_doc_number] => 12407418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Signal processing system and signal processing method where a protocol analysis circuit is used to simplify hardware structure and reduce power consumption [patent_app_type] => utility [patent_app_number] => 18/369826 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 972 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369826 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369826
Signal processing system and signal processing method where a protocol analysis circuit is used to simplify hardware structure and reduce power consumption Sep 17, 2023 Issued
Array ( [id] => 19008999 [patent_doc_number] => 20240073070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Frequency and/or Time Transfer Apparatus, System and Method [patent_app_type] => utility [patent_app_number] => 18/467016 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15942 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18467016 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467016
Frequency and/or Time Transfer Apparatus, System and Method Sep 13, 2023 Pending
Array ( [id] => 20346561 [patent_doc_number] => 12470298 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Calibration of alignment errors of a communication unit by means of the moon [patent_app_type] => utility [patent_app_number] => 18/367715 [patent_app_country] => US [patent_app_date] => 2023-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1136 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18367715 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/367715
Calibration of alignment errors of a communication unit by means of the moon Sep 12, 2023 Issued
Array ( [id] => 18866905 [patent_doc_number] => 20230421342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => HDMI Signal Communication Over An Optical Link [patent_app_type] => utility [patent_app_number] => 18/463846 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463846 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463846
HDMI Signal Communication Over An Optical Link Sep 7, 2023 Abandoned
Array ( [id] => 19072113 [patent_doc_number] => 20240106539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => OPTICAL ROUTER FOR DISTRIBUTING OPTICAL SIGNALS [patent_app_type] => utility [patent_app_number] => 18/242157 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13107 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18242157 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/242157
Optical router for distributing optical signals Sep 4, 2023 Issued
Array ( [id] => 18849877 [patent_doc_number] => 20230412281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => OPTICAL CONNECTIVITY FOR INTERCONNECT TECHNOLOGIES [patent_app_type] => utility [patent_app_number] => 18/240762 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240762 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240762
OPTICAL CONNECTIVITY FOR INTERCONNECT TECHNOLOGIES Aug 30, 2023 Pending
Array ( [id] => 19244987 [patent_doc_number] => 12015445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Optical transmitter chip based on OTN transmission technology [patent_app_type] => utility [patent_app_number] => 18/240601 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5529 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 480 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240601 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240601
Optical transmitter chip based on OTN transmission technology Aug 30, 2023 Issued
Array ( [id] => 20404867 [patent_doc_number] => 12494851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Single cable optical data/power transmission powering device system [patent_app_type] => utility [patent_app_number] => 18/457995 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 18128 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18457995 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/457995
Single cable optical data/power transmission powering device system Aug 28, 2023 Issued
Array ( [id] => 20267615 [patent_doc_number] => 12438617 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Optical transceiver misconnection discovery [patent_app_type] => utility [patent_app_number] => 18/447692 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6465 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447692 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447692
Optical transceiver misconnection discovery Aug 9, 2023 Issued
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