Search

Luke D. Ratcliffe

Examiner (ID: 4627)

Most Active Art Unit
3645
Art Unit(s)
3645, 3662
Total Applications
2065
Issued Applications
1767
Pending Applications
101
Abandoned Applications
235

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 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] => 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] => 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] => 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] => 19458639 [patent_doc_number] => 12099124 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-24 [patent_title] => Integrated sensor assembly [patent_app_type] => utility [patent_app_number] => 18/459213 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 8643 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18459213 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/459213
Integrated sensor assembly Aug 30, 2023 Issued
Array ( [id] => 20358481 [patent_doc_number] => 12474473 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Light detection and ranging (LIDAR) device range aliasing resilience by multiple hypotheses [patent_app_type] => utility [patent_app_number] => 18/452821 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 30 [patent_no_of_words] => 24493 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18452821 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452821
Light detection and ranging (LIDAR) device range aliasing resilience by multiple hypotheses Aug 20, 2023 Issued
Array ( [id] => 20358463 [patent_doc_number] => 12474455 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => 3D vision system with automatically calibrated stereo vision sensors and lidar sensor [patent_app_type] => utility [patent_app_number] => 18/449886 [patent_app_country] => US [patent_app_date] => 2023-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6281 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 18449886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449886
3D vision system with automatically calibrated stereo vision sensors and lidar sensor Aug 14, 2023 Issued
Array ( [id] => 19956113 [patent_doc_number] => 12326523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Multi-wavelength LIDAR system [patent_app_type] => utility [patent_app_number] => 18/364969 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 42 [patent_no_of_words] => 10774 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364969 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364969
Multi-wavelength LIDAR system Aug 2, 2023 Issued
Array ( [id] => 18863479 [patent_doc_number] => 20230417915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => LIDAR SYSTEM AND METHOD OF OPERATION [patent_app_type] => utility [patent_app_number] => 18/228460 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18228460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/228460
LIDAR SYSTEM AND METHOD OF OPERATION Jul 30, 2023 Pending
Array ( [id] => 20171994 [patent_doc_number] => 12390714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Position-based laser range finder [patent_app_type] => utility [patent_app_number] => 18/355782 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4688 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 18355782 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355782
Position-based laser range finder Jul 19, 2023 Issued
Array ( [id] => 19949312 [patent_doc_number] => 12320672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Sensing element having pixels exposed by apertures increasing along different directions [patent_app_type] => utility [patent_app_number] => 18/223777 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 935 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18223777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/223777
Sensing element having pixels exposed by apertures increasing along different directions Jul 18, 2023 Issued
Array ( [id] => 18973361 [patent_doc_number] => 20240053453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => LIGHT DETECTION AND RANGING (LIDAR) SENSOR SYSTEM INCLUDING TRANSCEIVER DEVICE [patent_app_type] => utility [patent_app_number] => 18/352798 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24112 [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] => 18352798 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352798
Light detection and ranging (lidar) sensor system including transceiver device Jul 13, 2023 Issued
Array ( [id] => 20180673 [patent_doc_number] => 20250264631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => LIGHT GRID WITH DISTANCE MEASUREMENT [patent_app_type] => utility [patent_app_number] => 18/993152 [patent_app_country] => US [patent_app_date] => 2023-07-14 [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] => -14 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18993152 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/993152
Light grid with distance measurement Jul 13, 2023 Issued
Array ( [id] => 19035725 [patent_doc_number] => 20240085540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Resolving Return Signals Among Pixels in Frequency-Modulated Continuous-Wave (FMCW) Lidar Systems [patent_app_type] => utility [patent_app_number] => 18/350442 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18350442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350442
Resolving Return Signals Among Pixels in Frequency-Modulated Continuous-Wave (FMCW) Lidar Systems Jul 10, 2023 Pending
Array ( [id] => 20344311 [patent_doc_number] => 12468039 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Robust laser scanning for generating a 3D model [patent_app_type] => utility [patent_app_number] => 18/212568 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4419 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212568 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212568
Robust laser scanning for generating a 3D model Jun 20, 2023 Issued
Array ( [id] => 18911114 [patent_doc_number] => 11874089 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-16 [patent_title] => Rangefinder, sighting apparatus and shooting auxiliary device [patent_app_type] => utility [patent_app_number] => 18/211601 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5225 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18211601 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/211601
Rangefinder, sighting apparatus and shooting auxiliary device Jun 19, 2023 Issued
Array ( [id] => 20264984 [patent_doc_number] => 12435968 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Multiple channel locating [patent_app_type] => utility [patent_app_number] => 18/143820 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 23869 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143820
Multiple channel locating May 4, 2023 Issued
Array ( [id] => 19106941 [patent_doc_number] => 11960034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Three-dimensional towered checkerboard for multi-sensor calibration, and LiDAR and camera joint calibration method based on the checkerboard [patent_app_type] => utility [patent_app_number] => 18/296382 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 5381 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18296382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/296382
Three-dimensional towered checkerboard for multi-sensor calibration, and LiDAR and camera joint calibration method based on the checkerboard Apr 5, 2023 Issued
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