Search

Luke D. Ratcliffe

Examiner (ID: 16175, Phone: (571)272-3110 , Office: P/3645 )

Most Active Art Unit
3645
Art Unit(s)
3645, 3662
Total Applications
2069
Issued Applications
1769
Pending Applications
102
Abandoned Applications
237

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18022153 [patent_doc_number] => 20220373652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => TECHNIQUES FOR INCREASING EFFICIENCY OF A WAVEGUIDE OF A LIDAR SYSTEM [patent_app_type] => utility [patent_app_number] => 17/882181 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17882181 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882181
Techniques for increasing efficiency of a waveguide of a LIDAR system Aug 4, 2022 Issued
Array ( [id] => 18183302 [patent_doc_number] => 20230044032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => AUTOMATIC MULTI-LASER BORE-SIGHTING FOR RIFLE MOUNTED CLIP-ON FIRE CONTROL SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/880485 [patent_app_country] => US [patent_app_date] => 2022-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9455 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17880485 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/880485
AUTOMATIC MULTI-LASER BORE-SIGHTING FOR RIFLE MOUNTED CLIP-ON FIRE CONTROL SYSTEMS Aug 2, 2022 Pending
Array ( [id] => 18126619 [patent_doc_number] => 20230012240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => DATA ACQUISITION DEVICE, DATA CORRECTION METHOD AND APPARATUS, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/816842 [patent_app_country] => US [patent_app_date] => 2022-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17816842 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/816842
Data acquisition device, data correction method and apparatus, and electronic device Aug 1, 2022 Issued
Array ( [id] => 18166008 [patent_doc_number] => 20230032609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => OPTOELECTRONIC SENSOR AND METHOD FOR DETECTING AN OBJECT IN ACCORDANCE WITH THE PRINCIPLE OF TRIANGULATION [patent_app_type] => utility [patent_app_number] => 17/872614 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17872614 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872614
Optoelectronic sensor and method for detecting an object in accordance with the principle of triangulation Jul 24, 2022 Issued
Array ( [id] => 18006412 [patent_doc_number] => 20220365178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => OPTICAL DETECTOR [patent_app_type] => utility [patent_app_number] => 17/814423 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814423 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814423
OPTICAL DETECTOR Jul 21, 2022 Pending
Array ( [id] => 18006412 [patent_doc_number] => 20220365178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => OPTICAL DETECTOR [patent_app_type] => utility [patent_app_number] => 17/814423 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814423 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814423
OPTICAL DETECTOR Jul 21, 2022 Pending
Array ( [id] => 18006412 [patent_doc_number] => 20220365178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => OPTICAL DETECTOR [patent_app_type] => utility [patent_app_number] => 17/814423 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814423 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814423
OPTICAL DETECTOR Jul 21, 2022 Pending
Array ( [id] => 19841247 [patent_doc_number] => 12253632 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Systems and methods for pulsed-wave LIDAR [patent_app_type] => utility [patent_app_number] => 17/870566 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 14305 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17870566 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870566
Systems and methods for pulsed-wave LIDAR Jul 20, 2022 Issued
Array ( [id] => 18924588 [patent_doc_number] => 20240027592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => SYSTEM AND METHOD OF IMPROVING LASER SCANNER UNAMBIGUITY [patent_app_type] => utility [patent_app_number] => 17/813631 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17813631 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/813631
SYSTEM AND METHOD OF IMPROVING LASER SCANNER UNAMBIGUITY Jul 19, 2022 Pending
Array ( [id] => 18686416 [patent_doc_number] => 11782145 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-10 [patent_title] => 3D vision system with automatically calibrated stereo vision sensors and LiDAR sensor [patent_app_type] => utility [patent_app_number] => 17/867826 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 11351 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17867826 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867826
3D vision system with automatically calibrated stereo vision sensors and LiDAR sensor Jul 18, 2022 Issued
Array ( [id] => 18470497 [patent_doc_number] => 20230204782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => THREE-DIMENSIONAL DISTANCE INFORMATION ACQUISITION SYSTEM AND ELECTRONIC DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/867285 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17867285 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867285
THREE-DIMENSIONAL DISTANCE INFORMATION ACQUISITION SYSTEM AND ELECTRONIC DEVICE INCLUDING THE SAME Jul 17, 2022 Pending
Array ( [id] => 18470497 [patent_doc_number] => 20230204782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => THREE-DIMENSIONAL DISTANCE INFORMATION ACQUISITION SYSTEM AND ELECTRONIC DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/867285 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17867285 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867285
THREE-DIMENSIONAL DISTANCE INFORMATION ACQUISITION SYSTEM AND ELECTRONIC DEVICE INCLUDING THE SAME Jul 17, 2022 Pending
Array ( [id] => 18148722 [patent_doc_number] => 20230022579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => TUNABLE LIDAR FOR SIMULTANEOUS RANGING AND ENVIRONMENTAL MONITORING [patent_app_type] => utility [patent_app_number] => 17/861497 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861497 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861497
TUNABLE LIDAR FOR SIMULTANEOUS RANGING AND ENVIRONMENTAL MONITORING Jul 10, 2022 Pending
Array ( [id] => 17961491 [patent_doc_number] => 20220342072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => TECHNIQUES FOR DETECTION THRESHOLD ADJUSTMENT FOR KNOWN TARGET DETECTION [patent_app_type] => utility [patent_app_number] => 17/861745 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861745 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861745
TECHNIQUES FOR DETECTION THRESHOLD ADJUSTMENT FOR KNOWN TARGET DETECTION Jul 10, 2022 Pending
Array ( [id] => 18148722 [patent_doc_number] => 20230022579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => TUNABLE LIDAR FOR SIMULTANEOUS RANGING AND ENVIRONMENTAL MONITORING [patent_app_type] => utility [patent_app_number] => 17/861497 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861497 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861497
TUNABLE LIDAR FOR SIMULTANEOUS RANGING AND ENVIRONMENTAL MONITORING Jul 10, 2022 Pending
Array ( [id] => 19970795 [patent_doc_number] => 12339399 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Optical switching for tuning direction of LIDAR output signals [patent_app_type] => utility [patent_app_number] => 17/858977 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 7450 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858977 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858977
Optical switching for tuning direction of LIDAR output signals Jul 5, 2022 Issued
Array ( [id] => 19595071 [patent_doc_number] => 12152906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Surveying instrument [patent_app_type] => utility [patent_app_number] => 17/857961 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5606 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17857961 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857961
Surveying instrument Jul 4, 2022 Issued
Array ( [id] => 20453870 [patent_doc_number] => 12516922 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Power and security adjustment for face identification with reflectivity detection by a ranging sensor [patent_app_type] => utility [patent_app_number] => 17/856586 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 6305 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17856586 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856586
Power and security adjustment for face identification with reflectivity detection by a ranging sensor Jun 30, 2022 Issued
Array ( [id] => 20453870 [patent_doc_number] => 12516922 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Power and security adjustment for face identification with reflectivity detection by a ranging sensor [patent_app_type] => utility [patent_app_number] => 17/856586 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 6305 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17856586 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856586
Power and security adjustment for face identification with reflectivity detection by a ranging sensor Jun 30, 2022 Issued
Array ( [id] => 18037671 [patent_doc_number] => 20220381887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => Techniques for Synchronization to Improve Scans in FMCW LiDAR Systems [patent_app_type] => utility [patent_app_number] => 17/849366 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17849366 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/849366
Techniques for synchronization to improve scans in FMCW LiDAR systems Jun 23, 2022 Issued
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