Search

Luke D. Ratcliffe

Examiner (ID: 10311, Phone: (571)272-3110 , Office: P/3645 )

Most Active Art Unit
3645
Art Unit(s)
3662, 3645
Total Applications
2121
Issued Applications
1794
Pending Applications
108
Abandoned Applications
243

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20820381 [patent_doc_number] => 12675853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-07 [patent_title] => Methods and systems for adaptive slope-based denoising of single-photon lidar point clouds [patent_app_type] => utility [patent_app_number] => 19/284821 [patent_app_country] => US [patent_app_date] => 2025-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6602 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19284821 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/284821
Methods and systems for adaptive slope-based denoising of single-photon lidar point clouds Jul 29, 2025 Issued
Array ( [id] => 19685564 [patent_doc_number] => 20250004109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => METHODS AND APPARATUS FOR ARRAY BASED LIDAR SYSTEMS WITH REDUCED INTERFERENCE [patent_app_type] => utility [patent_app_number] => 18/884949 [patent_app_country] => US [patent_app_date] => 2024-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11555 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18884949 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/884949
Methods and apparatus for array based LiDAR systems with reduced interference Sep 12, 2024 Issued
Array ( [id] => 19573220 [patent_doc_number] => 20240377512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => METHODS AND APPARATUS FOR ARRAY BASED LIDAR SYSTEMS WITH REDUCED INTERFERENCE [patent_app_type] => utility [patent_app_number] => 18/783026 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11432 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18783026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/783026
Methods and apparatus for array based LiDAR systems with reduced interference Jul 23, 2024 Issued
Array ( [id] => 19616663 [patent_doc_number] => 20240402343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => LIGHT PROJECTING-AND-RECEIVING APPARATUS AND DISTANCE MEASUREMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/676553 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18676553 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/676553
LIGHT PROJECTING-AND-RECEIVING APPARATUS AND DISTANCE MEASUREMENT SYSTEM May 28, 2024 Pending
Array ( [id] => 20365277 [patent_doc_number] => 20250355089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => 3D SENSING APPARATUS WITH AI-CONTROLLED FERROELECTRIC LIQUID CRYSTAL BEAM STEERING FOR ENHANCED DOT ILLUMINATION [patent_app_type] => utility [patent_app_number] => 18/663896 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663896 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663896
3D SENSING APPARATUS WITH AI-CONTROLLED FERROELECTRIC LIQUID CRYSTAL BEAM STEERING FOR ENHANCED DOT ILLUMINATION May 13, 2024 Pending
Array ( [id] => 19481179 [patent_doc_number] => 20240329221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => OPTIMIZED MONOSTATIC LiDAR [patent_app_type] => utility [patent_app_number] => 18/618818 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5124 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18618818 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618818
OPTIMIZED MONOSTATIC LiDAR Mar 26, 2024 Pending
Array ( [id] => 19580883 [patent_doc_number] => 12146992 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => High-accuracy, fast, and phase-based laser ranging method [patent_app_type] => utility [patent_app_number] => 18/616886 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7165 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 722 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18616886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/616886
High-accuracy, fast, and phase-based laser ranging method Mar 25, 2024 Issued
Array ( [id] => 19616630 [patent_doc_number] => 20240402310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => METHODS AND APPARATUS FOR OBJECT DETECTION AND IDENTIFICATION IN A MULTIPLE DETECTOR LIDAR ARRAY [patent_app_type] => utility [patent_app_number] => 18/402634 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13475 [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] => 18402634 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402634
METHODS AND APPARATUS FOR OBJECT DETECTION AND IDENTIFICATION IN A MULTIPLE DETECTOR LIDAR ARRAY Jan 1, 2024 Pending
Array ( [id] => 19173932 [patent_doc_number] => 20240159906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHOD OF OPERATING A COORDINATE MEASUREMENT DEVICE [patent_app_type] => utility [patent_app_number] => 18/514898 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10554 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514898 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514898
METHOD OF OPERATING A COORDINATE MEASUREMENT DEVICE Nov 19, 2023 Pending
Array ( [id] => 19052432 [patent_doc_number] => 20240094401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => Systems and Methods for IQ Detection [patent_app_type] => utility [patent_app_number] => 18/514635 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10202 [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] => 18514635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514635
Systems and methods for IQ detection Nov 19, 2023 Issued
Array ( [id] => 19189226 [patent_doc_number] => 20240168139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => METHODS, SYSTEMS, AND APPARATUS FOR DYNAMICALLY ADJUSTING RADIATED SIGNALS [patent_app_type] => utility [patent_app_number] => 18/500107 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18500107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500107
METHODS, SYSTEMS, AND APPARATUS FOR DYNAMICALLY ADJUSTING RADIATED SIGNALS Oct 31, 2023 Pending
Array ( [id] => 18956711 [patent_doc_number] => 20240045038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Noise Adaptive Solid-State LIDAR System [patent_app_type] => utility [patent_app_number] => 18/488293 [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] => 8643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18488293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/488293
Noise Adaptive Solid-State LIDAR System Oct 16, 2023 Pending
Array ( [id] => 18956715 [patent_doc_number] => 20240045042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Methods and Systems for LIDAR Optics Alignment [patent_app_type] => utility [patent_app_number] => 18/487538 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20996 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18487538 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487538
Methods and Systems for LIDAR Optics Alignment Oct 15, 2023 Pending
Array ( [id] => 19084234 [patent_doc_number] => 20240111035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => LASER RADAR DEVICE PROVIDED WITH CIRCUITY FAILURE DETECTION [patent_app_type] => utility [patent_app_number] => 18/373636 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10380 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18373636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373636
LASER RADAR DEVICE PROVIDED WITH CIRCUITY FAILURE DETECTION Sep 26, 2023 Pending
Array ( [id] => 19143701 [patent_doc_number] => 20240142582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => SCANNING APPARATUS CONTROLLING METHOD, ELECTRONIC DEVICE AND LIDAR [patent_app_type] => utility [patent_app_number] => 18/372678 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372678
SCANNING APPARATUS CONTROLLING METHOD, ELECTRONIC DEVICE AND LIDAR Sep 24, 2023 Pending
Array ( [id] => 18896407 [patent_doc_number] => 20240011892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => Optical Vibration Detection System and Method [patent_app_type] => utility [patent_app_number] => 18/472804 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4064 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18472804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472804
Optical Vibration Detection System and Method Sep 21, 2023 Pending
Array ( [id] => 20615823 [patent_doc_number] => 20260085914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => SYSTEM FOR TRACKING SHOOTING PERFORMANCE INCLUDING A LIVE CAMERA FOR CALCULATING SCORING [patent_app_type] => utility [patent_app_number] => 18/469550 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469550
SYSTEM FOR TRACKING SHOOTING PERFORMANCE INCLUDING A LIVE CAMERA FOR CALCULATING SCORING Sep 17, 2023 Pending
Array ( [id] => 20330967 [patent_doc_number] => 12461239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Method and system for doppler detection and doppler correction of optical chirped range detection [patent_app_type] => utility [patent_app_number] => 18/469002 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 25 [patent_no_of_words] => 11727 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469002 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469002
Method and system for doppler detection and doppler correction of optical chirped range detection Sep 17, 2023 Issued
Array ( [id] => 19833317 [patent_doc_number] => 20250085103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => FEATURE CORRELATION [patent_app_type] => utility [patent_app_number] => 18/464057 [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] => 22374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464057
FEATURE CORRELATION Sep 7, 2023 Pending
Array ( [id] => 19833643 [patent_doc_number] => 20250085429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => POSE GENERATION VIA LIDAR SENSOR MEASUREMENTS [patent_app_type] => utility [patent_app_number] => 18/463733 [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] => 9543 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463733 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463733
POSE GENERATION VIA LIDAR SENSOR MEASUREMENTS Sep 7, 2023 Pending
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