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] => 17831601 [patent_doc_number] => 20220268905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => System and Method for Increasing Coherence Length in Lidar Systems [patent_app_type] => utility [patent_app_number] => 17/693641 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693641 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693641
System and method for increasing coherence length in lidar systems Mar 13, 2022 Issued
Array ( [id] => 18006083 [patent_doc_number] => 20220364849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => Multi-sensor depth mapping [patent_app_type] => utility [patent_app_number] => 17/688933 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17688933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/688933
Multi-sensor depth mapping Mar 7, 2022 Pending
Array ( [id] => 17868625 [patent_doc_number] => 20220291362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => OPTOELECTRONIC DEVICE AND METHOD FOR DISTANCE MEASUREMENT [patent_app_type] => utility [patent_app_number] => 17/686697 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17686697 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/686697
OPTOELECTRONIC DEVICE AND METHOD FOR DISTANCE MEASUREMENT Mar 3, 2022 Pending
Array ( [id] => 17868625 [patent_doc_number] => 20220291362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => OPTOELECTRONIC DEVICE AND METHOD FOR DISTANCE MEASUREMENT [patent_app_type] => utility [patent_app_number] => 17/686697 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17686697 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/686697
OPTOELECTRONIC DEVICE AND METHOD FOR DISTANCE MEASUREMENT Mar 3, 2022 Pending
Array ( [id] => 19292492 [patent_doc_number] => 12031842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Method and apparatus for binocular ranging [patent_app_type] => utility [patent_app_number] => 17/678692 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 10995 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678692
Method and apparatus for binocular ranging Feb 22, 2022 Issued
Array ( [id] => 19374985 [patent_doc_number] => 12066548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => LIDAR transmit/receive system [patent_app_type] => utility [patent_app_number] => 17/674537 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 19344 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674537 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674537
LIDAR transmit/receive system Feb 16, 2022 Issued
Array ( [id] => 17793639 [patent_doc_number] => 20220252731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => ULTRAFAST 3D IMAGING TECHNIQUE EMPLOYING EVENT-DRIVEN CAMERAS [patent_app_type] => utility [patent_app_number] => 17/667148 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17667148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667148
ULTRAFAST 3D IMAGING TECHNIQUE EMPLOYING EVENT-DRIVEN CAMERAS Feb 7, 2022 Pending
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17597109 [patent_doc_number] => 20220146683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => TIME-RESOLVING IMAGE SENSOR FOR RANGE MEASUREMENT AND 2D GREYSCALE IMAGING [patent_app_type] => utility [patent_app_number] => 17/583190 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583190 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583190
Time-resolving image sensor for range measurement and 2D greyscale imaging Jan 23, 2022 Issued
Array ( [id] => 17721706 [patent_doc_number] => 20220214428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => METHODS AND APPARATUS FOR INCREASED PRECISION AND IMPROVED RANGE IN A MULTIPLE DETECTOR LIDAR ARRAY [patent_app_type] => utility [patent_app_number] => 17/578085 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16602 [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] => 17578085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578085
Methods and apparatus for increased precision and improved range in a multiple detector LIDAR array Jan 17, 2022 Issued
Array ( [id] => 17750982 [patent_doc_number] => 20220229187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => LIDAR-DRIVEN MMWAVE BEAM MANAGEMENT [patent_app_type] => utility [patent_app_number] => 17/575193 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575193
LiDAR-driven mmWave beam management Jan 12, 2022 Issued
Array ( [id] => 17564554 [patent_doc_number] => 20220128703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => AUTONOMOUS VEHICLE LIDAR SYSTEM USING A WAVEGUIDE ARRAY [patent_app_type] => utility [patent_app_number] => 17/568360 [patent_app_country] => US [patent_app_date] => 2022-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17568360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/568360
Autonomous vehicle LIDAR system using a waveguide array Jan 3, 2022 Issued
Array ( [id] => 19315953 [patent_doc_number] => 12041789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Techniques for fiber tip re-imaging in LIDAR systems [patent_app_type] => utility [patent_app_number] => 17/565347 [patent_app_country] => US [patent_app_date] => 2021-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 4797 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565347 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565347
Techniques for fiber tip re-imaging in LIDAR systems Dec 28, 2021 Issued
Array ( [id] => 17549528 [patent_doc_number] => 20220120869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => RECEIVING SYSTEM FOR LIDAR, LIDAR AND METHOD FOR INHIBITING GHOST LINES [patent_app_type] => utility [patent_app_number] => 17/563305 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6449 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563305 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563305
Receiving system for lidar, lidar and method for inhibiting ghost lines Dec 27, 2021 Issued
Array ( [id] => 17549528 [patent_doc_number] => 20220120869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => RECEIVING SYSTEM FOR LIDAR, LIDAR AND METHOD FOR INHIBITING GHOST LINES [patent_app_type] => utility [patent_app_number] => 17/563305 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6449 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563305 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563305
Receiving system for lidar, lidar and method for inhibiting ghost lines Dec 27, 2021 Issued
Array ( [id] => 18173624 [patent_doc_number] => 11573327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Systems and methods for light detection and ranging [patent_app_type] => utility [patent_app_number] => 17/555655 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 15042 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17555655 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/555655
Systems and methods for light detection and ranging Dec 19, 2021 Issued
Array ( [id] => 17785862 [patent_doc_number] => 11408980 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-09 [patent_title] => Techniques for generation of high brightness beams using a ridge waveguide [patent_app_type] => utility [patent_app_number] => 17/545070 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6744 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17545070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/545070
Techniques for generation of high brightness beams using a ridge waveguide Dec 7, 2021 Issued
Array ( [id] => 19624969 [patent_doc_number] => 12163786 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Construction verification system, method and computer program product [patent_app_type] => utility [patent_app_number] => 17/539913 [patent_app_country] => US [patent_app_date] => 2021-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 19 [patent_no_of_words] => 25329 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17539913 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/539913
Construction verification system, method and computer program product Nov 30, 2021 Issued
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