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] => 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] => 19068748 [patent_doc_number] => 20240103174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => POINT CLOUD DATA COMPRESSION VIA BELOW HORIZON REGION DEFINITION [patent_app_type] => utility [patent_app_number] => 18/239591 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239591
POINT CLOUD DATA COMPRESSION VIA BELOW HORIZON REGION DEFINITION Aug 28, 2023 Pending
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] => 18787381 [patent_doc_number] => 20230375681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => DETECTION DEVICE, NON-TRANSITORY COMPUTER READABLE MEDIUM, DETECTION METHOD, AND LIGHT EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/362353 [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] => 11819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18362353 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/362353
DETECTION DEVICE, NON-TRANSITORY COMPUTER READABLE MEDIUM, DETECTION METHOD, AND LIGHT EMITTING DEVICE 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] => 19068747 [patent_doc_number] => 20240103173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => Multiplexed Light Detection and Ranging Apparatus [patent_app_type] => utility [patent_app_number] => 18/337394 [patent_app_country] => US [patent_app_date] => 2023-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337394 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337394
Multiplexed Light Detection and Ranging Apparatus Jun 18, 2023 Pending
Array ( [id] => 19052418 [patent_doc_number] => 20240094387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => OPTICAL SENSING SYSTEM, OPTICAL SENSING DEVICE, AND OPTICAL SENSING METHOD [patent_app_type] => utility [patent_app_number] => 18/207443 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207443 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207443
OPTICAL SENSING SYSTEM, OPTICAL SENSING DEVICE, AND OPTICAL SENSING METHOD Jun 7, 2023 Pending
Array ( [id] => 18659114 [patent_doc_number] => 20230305117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => DETECTION APPARATUS, CONTROL METHOD AND CONTROL APPARATUS OF DETECTION APPARATUS, LIDAR SYSTEM, AND TERMINAL [patent_app_type] => utility [patent_app_number] => 18/326275 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326275
DETECTION APPARATUS, CONTROL METHOD AND CONTROL APPARATUS OF DETECTION APPARATUS, LIDAR SYSTEM, AND TERMINAL May 30, 2023 Pending
Array ( [id] => 20975953 [patent_doc_number] => 12736643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-15 [patent_title] => Method and system for continuous in-flight management of an on-board beam generator [patent_app_type] => utility [patent_app_number] => 18/198676 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4781 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18198676 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/198676
METHOD AND SYSTEM FOR CONTINUOUS IN-FLIGHT MANAGEMENT OF AN ON-BOARD BEAM GENERATOR May 16, 2023 Pending
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] => 18598522 [patent_doc_number] => 20230273321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => 3D Image Sensor Ranging System, and Ranging Method Using Same [patent_app_type] => utility [patent_app_number] => 18/304845 [patent_app_country] => US [patent_app_date] => 2023-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11771 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18304845 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/304845
3D Image Sensor Ranging System, and Ranging Method Using Same Apr 20, 2023 Pending
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