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] => 16848309 [patent_doc_number] => 20210149054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => MULTIPATH LIGHT TEST DEVICE FOR TOF MODULE, DEPTH ERROR MEASURING METHOD AND SYSTEM [patent_app_type] => utility [patent_app_number] => 16/826292 [patent_app_country] => US [patent_app_date] => 2020-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16826292 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826292
Multipath light test device for TOF module, depth error measuring method and system Mar 21, 2020 Issued
Array ( [id] => 16159455 [patent_doc_number] => 20200217960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => CAMERA-GATED LIDAR SYSTEM [patent_app_type] => utility [patent_app_number] => 16/817989 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16817989 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817989
Camera-gated lidar system Mar 12, 2020 Issued
Array ( [id] => 18872518 [patent_doc_number] => 11860314 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Methods and apparatus for object detection and identification in a multiple detector lidar array [patent_app_type] => utility [patent_app_number] => 16/811506 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 34 [patent_no_of_words] => 13281 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16811506 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/811506
Methods and apparatus for object detection and identification in a multiple detector lidar array Mar 5, 2020 Issued
Array ( [id] => 16093775 [patent_doc_number] => 20200200874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => Multi-Wavelength LIDAR System [patent_app_type] => utility [patent_app_number] => 16/805733 [patent_app_country] => US [patent_app_date] => 2020-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 16805733 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/805733
Multi-wavelength LIDAR system Feb 28, 2020 Issued
Array ( [id] => 16093847 [patent_doc_number] => 20200200910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => SYSTEMS AND METHODS FOR LIGHT DETECTION AND RANGING [patent_app_type] => utility [patent_app_number] => 16/805061 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16805061 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/805061
Systems and methods for light detection and ranging Feb 27, 2020 Issued
Array ( [id] => 16075949 [patent_doc_number] => 20200191961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => DISTANCE MEASURING DEVICE [patent_app_type] => utility [patent_app_number] => 16/803182 [patent_app_country] => US [patent_app_date] => 2020-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7196 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16803182 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/803182
Distance measuring device Feb 26, 2020 Issued
Array ( [id] => 16081973 [patent_doc_number] => 20200194973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => VCSEL ARRAY WITH COMMON WAFER LEVEL INTEGRATED OPTICAL DEVICE [patent_app_type] => utility [patent_app_number] => 16/796959 [patent_app_country] => US [patent_app_date] => 2020-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796959 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796959
VCSEL array with common wafer level integrated optical device Feb 20, 2020 Issued
Array ( [id] => 16054353 [patent_doc_number] => 20200189031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => High Speed Solid State Micromachining Device [patent_app_type] => utility [patent_app_number] => 16/796187 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796187 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796187
High speed solid state micromachining device Feb 19, 2020 Issued
Array ( [id] => 17564543 [patent_doc_number] => 20220128692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => METHOD FOR DEPTH MEASUREMENT WITH A TIME-OF-FLIGHT CAMERA USING AMPLITUDE-MODULATED CONTINUOUS LIGHT [patent_app_type] => utility [patent_app_number] => 17/430671 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17430671 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/430671
Method for depth measurement with a time-of-flight camera using amplitude-modulated continuous light Feb 13, 2020 Issued
Array ( [id] => 18519347 [patent_doc_number] => 11709236 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Systems and methods for machine perception [patent_app_type] => utility [patent_app_number] => 16/790592 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 39 [patent_no_of_words] => 24230 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16790592 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/790592
Systems and methods for machine perception Feb 12, 2020 Issued
Array ( [id] => 15996471 [patent_doc_number] => 20200174106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => MULTI-LINE LASER RADAR [patent_app_type] => utility [patent_app_number] => 16/784155 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784155 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784155
Multi-line laser radar Feb 5, 2020 Issued
Array ( [id] => 15965781 [patent_doc_number] => 20200166642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => THREE-DIMENSIONAL HYPERSPECTRAL IMAGING SYSTEMS AND METHODS USING A LIGHT DETECTION AND RANGING (LIDAR) FOCAL PLANE ARRAY [patent_app_type] => utility [patent_app_number] => 16/777212 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16777212 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/777212
Three-dimensional hyperspectral imaging systems and methods using a light detection and ranging (LIDAR) focal plane array Jan 29, 2020 Issued
Array ( [id] => 19884989 [patent_doc_number] => 12270692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Optical fluid flow velocity measurement [patent_app_type] => utility [patent_app_number] => 17/435771 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2622 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17435771 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/435771
Optical fluid flow velocity measurement Jan 23, 2020 Issued
Array ( [id] => 20257248 [patent_doc_number] => 12429595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Vehicular sensing system and vehicle [patent_app_type] => utility [patent_app_number] => 17/431972 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17431972 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431972
Vehicular sensing system and vehicle Jan 19, 2020 Issued
Array ( [id] => 17371408 [patent_doc_number] => 20220026460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => FLOW RATE SENSOR DEVICE AND FLOW RATE SENSOR DEVICE EQUIPPED WITH COVER [patent_app_type] => utility [patent_app_number] => 17/421913 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17421913 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421913
FLOW RATE SENSOR DEVICE AND FLOW RATE SENSOR DEVICE EQUIPPED WITH COVER Jan 14, 2020 Abandoned
Array ( [id] => 15904743 [patent_doc_number] => 20200151892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => SHIFTING DIFFRACTIVE OPTICAL ELEMENT FOR ADJUSTABLE DEPTH SENSING RESOLUTION [patent_app_type] => utility [patent_app_number] => 16/743685 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16743685 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743685
Shifting diffractive optical element for adjustable depth sensing resolution Jan 14, 2020 Issued
Array ( [id] => 15933735 [patent_doc_number] => 20200158501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => LIVE RIDE HEIGHT MEASUREMENT [patent_app_type] => utility [patent_app_number] => 16/742241 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16742241 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/742241
Live ride height measurement Jan 13, 2020 Issued
Array ( [id] => 15901425 [patent_doc_number] => 20200150232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => LIGHT DETECTING AND RANGING (LIDAR) SIGNAL PROCESSING CIRCUITRY [patent_app_type] => utility [patent_app_number] => 16/742224 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 16742224 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/742224
LIGHT DETECTING AND RANGING (LIDAR) SIGNAL PROCESSING CIRCUITRY Jan 13, 2020 Abandoned
Array ( [id] => 18780305 [patent_doc_number] => 11822019 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Methods, systems, and apparatus for dynamically adjusting radiated signals [patent_app_type] => utility [patent_app_number] => 16/736510 [patent_app_country] => US [patent_app_date] => 2020-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 9461 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [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] => 16736510 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/736510
Methods, systems, and apparatus for dynamically adjusting radiated signals Jan 6, 2020 Issued
Array ( [id] => 16500931 [patent_doc_number] => 10866312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-15 [patent_title] => LIDAR system for autonomous vehicle [patent_app_type] => utility [patent_app_number] => 16/725349 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 30 [patent_no_of_words] => 18911 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16725349 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/725349
LIDAR system for autonomous vehicle Dec 22, 2019 Issued
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