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] => 19933107 [patent_doc_number] => 12306310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Collision avoidance device [patent_app_type] => utility [patent_app_number] => 17/391832 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 13827 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [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] => 17391832 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/391832
Collision avoidance device Aug 15, 2021 Issued
Array ( [id] => 18686242 [patent_doc_number] => 11781971 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Optical vibration detection system and method [patent_app_type] => utility [patent_app_number] => 17/387309 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4043 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17387309 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/387309
Optical vibration detection system and method Jul 27, 2021 Issued
Array ( [id] => 17215877 [patent_doc_number] => 20210349215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => METHOD OF OPERATING A COORDINATE MEASUREMENT DEVICE [patent_app_type] => utility [patent_app_number] => 17/383070 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17383070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383070
Method of operating a coordinate measurement device Jul 21, 2021 Issued
Array ( [id] => 19739442 [patent_doc_number] => 12216270 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Optical distance measurement system using solid state beam steering [patent_app_type] => utility [patent_app_number] => 17/382128 [patent_app_country] => US [patent_app_date] => 2021-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5506 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17382128 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/382128
Optical distance measurement system using solid state beam steering Jul 20, 2021 Issued
Array ( [id] => 18933469 [patent_doc_number] => 11885887 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-30 [patent_title] => Imaging subsystem [patent_app_type] => utility [patent_app_number] => 17/300477 [patent_app_country] => US [patent_app_date] => 2021-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 272 [patent_figures_cnt] => 343 [patent_no_of_words] => 70693 [patent_no_of_claims] => 60 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17300477 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/300477
Imaging subsystem Jul 13, 2021 Issued
Array ( [id] => 19442507 [patent_doc_number] => 12092762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => LiDAR sensing device [patent_app_type] => utility [patent_app_number] => 17/372486 [patent_app_country] => US [patent_app_date] => 2021-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4944 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17372486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/372486
LiDAR sensing device Jul 10, 2021 Issued
Array ( [id] => 17186476 [patent_doc_number] => 20210333361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => Long Range Steerable LIDAR System [patent_app_type] => utility [patent_app_number] => 17/366768 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12965 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17366768 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366768
Long range steerable LIDAR system Jul 1, 2021 Issued
Array ( [id] => 17157391 [patent_doc_number] => 20210318442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => Wavelength Division Multiplexed LIDAR [patent_app_type] => utility [patent_app_number] => 17/357395 [patent_app_country] => US [patent_app_date] => 2021-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17357395 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/357395
Wavelength division multiplexed LiDAR Jun 23, 2021 Issued
Array ( [id] => 17142790 [patent_doc_number] => 20210310803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => SENSING ELEMENT HAVING PIXELS EXPOSED BY APERTURE INCREASING ALONG PREDETERMINED DIRECTION [patent_app_type] => utility [patent_app_number] => 17/351625 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17351625 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/351625
Sensing element having pixels exposed by aperture increasing along predetermined direction Jun 17, 2021 Issued
Array ( [id] => 17143160 [patent_doc_number] => 20210311173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => LASER MEASURING DEVICE AND UNMANNED AERIAL VEHICLE [patent_app_type] => utility [patent_app_number] => 17/351188 [patent_app_country] => US [patent_app_date] => 2021-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17351188 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/351188
LASER MEASURING DEVICE AND UNMANNED AERIAL VEHICLE Jun 16, 2021 Abandoned
Array ( [id] => 17514915 [patent_doc_number] => 11294059 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-04-05 [patent_title] => Techniques for doppler point set registration [patent_app_type] => utility [patent_app_number] => 17/349767 [patent_app_country] => US [patent_app_date] => 2021-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 15467 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 379 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17349767 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/349767
Techniques for doppler point set registration Jun 15, 2021 Issued
Array ( [id] => 17171845 [patent_doc_number] => 20210325515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => TRANSMIT SIGNAL DESIGN FOR AN OPTICAL DISTANCE MEASUREMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/349323 [patent_app_country] => US [patent_app_date] => 2021-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7032 [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] => 17349323 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/349323
TRANSMIT SIGNAL DESIGN FOR AN OPTICAL DISTANCE MEASUREMENT SYSTEM Jun 15, 2021 Pending
Array ( [id] => 17171845 [patent_doc_number] => 20210325515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => TRANSMIT SIGNAL DESIGN FOR AN OPTICAL DISTANCE MEASUREMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/349323 [patent_app_country] => US [patent_app_date] => 2021-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7032 [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] => 17349323 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/349323
TRANSMIT SIGNAL DESIGN FOR AN OPTICAL DISTANCE MEASUREMENT SYSTEM Jun 15, 2021 Pending
Array ( [id] => 17143074 [patent_doc_number] => 20210311087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => SCATTERER MEASUREMENT METHOD AND SCATTERER MEASUREMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/347440 [patent_app_country] => US [patent_app_date] => 2021-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26609 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17347440 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/347440
SCATTERER MEASUREMENT METHOD AND SCATTERER MEASUREMENT APPARATUS Jun 13, 2021 Abandoned
Array ( [id] => 17557260 [patent_doc_number] => 11313955 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-04-26 [patent_title] => Techniques to associate peaks in multi-target scenarios in coherent lidar systems [patent_app_type] => utility [patent_app_number] => 17/339763 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8125 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17339763 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/339763
Techniques to associate peaks in multi-target scenarios in coherent lidar systems Jun 3, 2021 Issued
Array ( [id] => 17371495 [patent_doc_number] => 20220026547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => AUTOMATIC CALIBRATION METHOD AND SYSTEM FOR SPATIAL POSITION OF LASER RADAR AND CAMERA SENSOR [patent_app_type] => utility [patent_app_number] => 17/336342 [patent_app_country] => US [patent_app_date] => 2021-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3580 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17336342 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/336342
Automatic calibration method and system for spatial position of laser radar and camera sensor Jun 1, 2021 Issued
Array ( [id] => 17770540 [patent_doc_number] => 11402475 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-02 [patent_title] => Techniques for periodic synchronization of light system [patent_app_type] => utility [patent_app_number] => 17/333281 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8210 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17333281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/333281
Techniques for periodic synchronization of light system May 27, 2021 Issued
Array ( [id] => 18037703 [patent_doc_number] => 20220381919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => LiDAR WITH COMBINED FAST/SLOW SCANNING [patent_app_type] => utility [patent_app_number] => 17/331265 [patent_app_country] => US [patent_app_date] => 2021-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -60 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17331265 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/331265
LiDAR WITH COMBINED FAST/SLOW SCANNING May 25, 2021 Pending
Array ( [id] => 17823845 [patent_doc_number] => 11428789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Systems and methods for pulsed-wave LIDAR [patent_app_type] => utility [patent_app_number] => 17/329413 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 14275 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17329413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/329413
Systems and methods for pulsed-wave LIDAR May 24, 2021 Issued
Array ( [id] => 19275348 [patent_doc_number] => 12025470 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Structured light projection through the minimization of visual artifacts by way of deliberately introduced optical aberrations [patent_app_type] => utility [patent_app_number] => 17/318311 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4071 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17318311 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318311
Structured light projection through the minimization of visual artifacts by way of deliberately introduced optical aberrations May 11, 2021 Issued
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